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ARS Home » Pacific West Area » Corvallis, Oregon » National Clonal Germplasm Repository » People & Locations » Carolyn Scagel
Carolyn F Scagel (PhD)
National Clonal Germplasm Repository
Research Leader

Phone: (541) 738-4201
Fax: (541) 738-4205

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Projects
Conservation and Utilization of Temperate-Adapted Fruit, Nut, and Other Specialty Crop Genetic Resources
In-House Appropriated (D)
  Accession Number: 443999
Developing Large Populations of Hexaploid Althea Selections
Grant (G)
  Accession Number: 438666
Developing Triploid Forms of Maples to Breed for Reduced Invasiveness
Grant (G)
  Accession Number: 439386
Evaluating Physiology and Gene Expression Following Induced Polyploidy of Specialty Crops
Non-Assistance Cooperative Agreement (S)
  Accession Number: 442419
Improving Nursery Plant Health for Nurseries in the Pacific Northwest
Non-Assistance Cooperative Agreement (S)
  Accession Number: 439047

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Evaluating potential phytotoxicity of erythritol, a novel control method for Drosophila suzukii, in blueberry, cherry, and wild Himalayan blackberry Reprint Icon - (Peer Reviewed Journal)
Sriram, A., Scagel, C.F., Choi, M.Y., Bryla, D.R., Lee, J.C. 2024. Evaluating potential phytotoxicity of erythritol, a novel control method for Drosophila suzukii, in blueberry, cherry, and wild Himalayan blackberry. Crop Protection. 187:106961. https://doi.org/10.1016/j.cropro.2024.106961.
Crop wild relatives of temperate fruits at the Corvallis genebank: uses and prospects - (Abstract Only)
Bassil, N.V., Hardigan, M.A., Scagel, C.F. 2024. Crop wild relatives of temperate fruits at the Corvallis genebank: uses and prospects. Proceedings American Society of Horticultural Sciences.
Silicon supplementation can reduce infestation by azalea lace bug-(Hemiptera: Tingidae) Reprint Icon - (Peer Reviewed Journal)
Graham, K.V., Janasov, E.G., Paul, R.L., Scagel, C.F., Lee, J.C. 2024. Silicon supplementation can reduce infestation by azalea lace bug-(Hemiptera: Tingidae). Journal of Economic Entomology. Article toae164. https://doi.org/10.1093/jee/toae164.
Breeding new cultivars for climate adaptation - (Trade Journal)
Contreras, R., Nackley, L., Scagel, C.F. 2024. Breeding new cultivars for climate adaptation. Digger. July 2024:33-37.
The effect of boxwood leaf volatiles on conidial germination of Calonectria pseudonaviculata, the causal agent of boxwood blight Reprint Icon - (Peer Reviewed Journal)
Ohkura, M., Beck, B.R., Scagel, C.F., Weiland, G.E. 2024. The effect of boxwood leaf volatiles on conidial germination of Calonectria pseudonaviculata, the causal agent of boxwood blight. Phytopathology. https://doi.org/10.1094/PHYTO-12-23-0507-R.
Fungicide sensitivity of Phytophthora isolates from the Washington red raspberry industry Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Scagel, C.F., Benedict, C., Wasko DeVetter, L., Beck, B.R. 2024. Fungicide sensitivity of Phytophthora isolates from the Washington red raspberry industry. Plant Disease. 108(7):2104-2110. https://doi.org/10.1094/PDIS-12-23-2641-RE.
Investigating the benefits of tectonite dust as an amendment for bark substrates and dryland crops Reprint Icon - (Peer Reviewed Journal)
Nackley, L., Van Lehman, L., Van Lehman, O., Owen Jr., J.S., Scagel, C.F. 2024. Investigating the benefits of tectonite dust as an amendment for bark substrates and dryland crops. Plants. 13(1). Article 126. https://doi.org/10.3390/plants13010126.
Progress towards effective Phytophthora root rot control - (Trade Journal)
Weiland, J.E., Scagel, C.F. 2023. Progress towards effective Phytophthora root rot control. Digger. 67(11):41-44.
Hot mess: Heatwave effects on controlled-release fertilizer Reprint Icon - (Peer Reviewed Journal)
Nackley, L., Mccauley, D., Scagel, C.F. 2023. Hot mess: Heatwave effects on controlled-release fertilizer. HortScience. 58(11):1459-1460. https://doi.org/10.21273/HORTSCI17325-23.
Greater rate of nitrogen fertilizer application increases root rot caused by Phytophthora cinnamomi and P. plurivora in container-grown rhododendron Reprint Icon - (Peer Reviewed Journal)
Mestas, A., Weiland, G.E., Scagel, C.F., Davis, E.A., Mitchell, J.N., Beck, B.R. 2023. Greater rate of nitrogen fertilizer application increases root rot caused by Phytophthora cinnamomi and P. plurivora in container-grown rhododendron. Plant Pathology. https://doi.org/10.1111/ppa.13776.
Going with the flow - (Trade Journal)
Keller, S., Sheridan, R., Dahms-May, S., Scagel, C.F., Nackley, L. 2023. Going with the flow. Digger. 67(4):41-44.
Temperature and fungicide sensitivity in three prevalent Phytophthora species causing Phytophthora root rot in rhododendron Reprint Icon - (Peer Reviewed Journal)
Scagel, C.F., Weiland, G.E., Beck, B.R., Mitchell, J.N. 2023. Temperature and fungicide sensitivity in three prevalent Phytophthora species causing Phytophthora root rot in rhododendron. Plant Disease. https://doi.org/10.1094/pdis-11-22-2670-re.
The effect of water incubation and host volatiles on spore germination of Calonectria pseudonaviculata, the causal agent of boxwood blight - (Abstract Only)
Response of northern highbush blueberry to fertigation and granular applications of phosphorus fertilizers Reprint Icon - (Peer Reviewed Journal)
Leon-Chang, D.P., Bryla, D.R., Scagel, C.F. 2023. Response of northern highbush blueberry to fertigation and granular applications of phosphorus fertilizers. Acta Horticulturae. 1357:51-58. https://doi.org/10.17660/ActaHortic.2023.1357.8.
Rapid and scalable DNA extraction and real-time PCR assay from boxwood tissue for the detection of Calonectria pseudonaviculata, causal agent of boxwood blight Reprint Icon - (Peer Reviewed Journal)
Ohkura, M., Scagel, C.F., Weiland, G.E. 2023. Rapid and scalable DNA extraction and real-time PCR assay from boxwood tissue for the detection of Calonectria pseudonaviculata, causal agent of boxwood blight. Plant Disease. 107(5):1279-1283. https://doi.org/10.1094/PDIS-06-22-1453-SR.
Influence of fertigation and granular applications of potassium fertilizer on soil pH and availability of potassium and other nutrients in a mature planting of northern highbush blueberry Reprint Icon - (Peer Reviewed Journal)
Leon-Chang, D.P., Bryla, D.R., Scagel, C.F., Strik, B.C. 2022. Influence of fertigation and granular applications of potassium fertilizer on soil pH and availability of potassium and other nutrients in a mature planting of northern highbush blueberry. HortScience. 57(11):1377-1386. https://doi.org/10.21273/HORTSCI16747-22.
Assessment of Industry Priorities and Management Practices on US-grown Tea Reprint Icon - (Abstract Only)
Chen, Y., Nakamoto, S.T., Spakes-Richter, B., Burnett, K.P., Colonna, A., Rathinasabapathi, S., Hardesty, S., Scagel, C.F., Gervay-Hague, J., Adelberg, J., Zhang, D., Beasley, J., Bi, G., Pemberton, B., Liu, Z. 2022. Assessment of Industry Priorities and Management Practices on US-grown Tea. Journal of the American Society for Horticultural Science. https://doi.org/10.21273/HORTSCI.57.9S.S1.
Assessment of industry priorities and management practices on US-grown tea Reprint Icon - (Abstract Only)
Chen, Y., Nakamoto, S.T., Spakes-Richter, B., Burnett, K.P., Colonna, A., Rathinasabapathi, S., Hardesty, S., Scagel, C.F., Gervay-Hague, J., Adelberg, J., Zhang, D., Beasley, J., Bi, G., Pemberton, B., Liu, Z. 2022. Assessment of industry priorities and management practices on US-grown tea. Journal of the American Society for Horticultural Science. https://doi.org/10.21273/HORTSCI.57.9S.S1.
Nursery production decisions on plant spacing and irrigation affect risks for boxwood blight - (Abstract Only)
Weiland, J.E., Ohkura, M., Scagel, C.F. 2022. Nursery production decisions on plant spacing and irrigation affect risks for boxwood blight. Phytopathology. 112:S3.204.
Rapid and scalable dna extraction and real-time pcr assay for the detection of the boxwood blight pathogen calonectria pseudonaviculata - (Abstract Only)
Ohkura, M.M., Scagel, C.F., Weiland, J.E. 2022. Rapid and scalable DNA extraction and real-time PCR assay for the detection of the boxwood blight pathogen Calonectria pseudonaviculata. Phytopathology. 112:S3.60.
Applying plant hydraulic physiology methods to inform irrigation of maples and oaks grown in oregon nurseries Reprint Icon - (Abstract Only)
Keller, S., Scagel, C.F., Contreras, R., Nackley, L.L. 2022. Applying plant hydraulic physiology methods to inform irrigation of maples and oaks grown in oregon nurseries. Journal of the American Society for Horticultural Science. 57(9s).
Container type alters root structure and quality in Quercus spp Reprint Icon - (Abstract Only)
Hartley, R., Scagel, C.F., Contreras, R., Nackley, L.L. 2022. Container type alters root structure and quality in Quercus spp. Journal of the American Society for Horticultural Science. https://doi.org/10.21273/HORTSCI.57.9S.S1.
Nitrogen rate, irrigation frequency and volume differentially influence growth, flowering, and nutrient uptake of container-grown rhododendron during the following growing season Reprint Icon - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Bryla, D.R. 2022. Nitrogen rate, irrigation frequency and volume differentially influence growth, flowering, and nutrient uptake of container-grown rhododendron during the following growing season. Horticulturae. 8(7). Article 647. https://doi.org/10.3390/horticulturae8070647.
Cool temperatures favor growth of Oregon isolates of Calonectria pseudonaviculata and increase severity of boxwood blight on two Buxus cultivars Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Ohkura, M., Scagel, C.F., Davis, E.A., Beck, B.R. 2022. Cool temperatures favor growth of Oregon isolates of Calonectria pseudonaviculata and increase severity of boxwood blight on two Buxus cultivars. Plant Disease. https://doi.org/10.1094/PDIS-04-22-0769-RE.
Irrigation frequency and volume has little influence on Phytophthora root rot in container-grown rhododendron Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Beck, B.R., Mitchell, J.N. 2022. Irrigation frequency and volume has little influence on Phytophthora root rot in container-grown rhododendron. Journal of Environmental Horticulture. 40(2):67-78. https://doi.org/10.24266/2573-5586-40.2.67.
Is disease induced by flooding representative of nursery conditions in rhododendrons infected with P. cinnamomi or P. plurivora? Reprint Icon - (Peer Reviewed Journal)
Mestas, A., Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Mitchell, J.N., Beck, B.R. 2022. Is disease induced by flooding representative of nursery conditions in rhododendrons infected with P. cinnamomi or P. plurivora? Plant Disease. 106(4):1157-1166. https://doi.org/10.1094/PDIS-06-21-1340-RE.
Biochar as an alternative soil amendment for establishment of northern highbush blueberry Reprint Icon - (Peer Reviewed Journal)
Sales, B.K., Bryla, D.R., Trippe, K.M., Scagel, C.F., Strik, B.C., Sullivan, D.M. 2022. Biochar as an alternative soil amendment for establishment of northern highbush blueberry. HortScience. 57(2):277-285. https://doi.org/10.21273/HORTSCI16257-21.
Call it herbal distancing© - (Trade Journal)
Ohkura, M., Nackley, L., Scagel, C.F., Weiland, G.E. 2021. Call it herbal distancing©. Digger. https://www.diggermagazine.com/wp-content/uploads/2021/08/.
Social distancing reduces boxwood blight incidence and severity - (Abstract Only)
Ohkura, M., Nackley, L.L., Mitchell, J.N., Scagel, C.F., Weiland, J.E. 2021. Social distancing reduces boxwood blight incidence and severity. Phytopathology. 111:S2.18.
Ion-specific limitations of sodium chloride and calcium chloride on growth, nutrient uptake, and mycorrhizal colonization in northern and southern highbush blueberry Reprint Icon - (Peer Reviewed Journal)
Bryla, D.R., Scagel, C.F., Lukas, S.B., Sullivan, D.M. 2021. Ion-specific limitations of sodium chloride and calcium chloride on growth, nutrient uptake, and mycorrhizal colonization in northern and southern highbush blueberry. Journal of the American Society for Horticultural Science. 146(6):399-410. https://doi.org/10.21273/JASHS05084-21.
Optimizing inoculum production methods for infesting soil with phytophthora species Reprint Icon - (Peer Reviewed Journal)
Davis, E.A., Weiland, G.E., Scagel, C.F. 2021. Optimizing inoculum production methods for infesting soil with phytophthora species. Plant Disease. https://doi.org/10.1094/PDIS-12-20-2698-RE.
Virulence of five phytophthora species causing rhododendron root rot in Oregon Reprint Icon - (Peer Reviewed Journal)
Sacher, G.O., Scagel, C.F., Davis, E.A., Beck, B.R., Weiland, G.E. 2021. Virulence of five phytophthora species causing rhododendron root rot in Oregon. Plant Disease. https://doi.org/10.1094/PDIS-09-20-1873-RE.
Phytophthora species differ in response to phosphorous acid and mefenoxam for the management of phytophthora root rot in rhododendron Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Beck, B.R. 2020. Phytophthora species differ in response to phosphorous acid and mefenoxam for the management of phytophthora root rot in rhododendron. Plant Disease. 105:1505-1514. https://doi.org/10.1094/PDIS-09-20-1960-RE.
Growth, sporulation, and pathogenicity of the raspberry pathogen phytophthora rubi under different temperature and moisture regimes - (Peer Reviewed Journal)
Graham, K.A., Beck, B.R., Zasada, I.A., Scagel, C.F., Weiland, G.E. 2021. Growth, sporulation, and pathogenicity of the raspberry pathogen phytophthora rubi under different temperature and moisture regimes. Plant Disease. https://doi.org/10.1094/PDIS-09-20-1916-RE.
Nitrogen fertilization, container type, and irrigation frequency affect mineral nutrient uptake of hydrangea Reprint Icon - (Peer Reviewed Journal)
Li, T., Bi, G., Zhao, X., Harkness, R.L., Scagel, C.F. 2020. Nitrogen fertilization, container type, and irrigation frequency affect mineral nutrient uptake of hydrangea. Water. 12(7). https://doi.org/10.3390/w12071987.
Pathogenicity of five Phytophthora species causing rhododendron root rot in Oregon - (Abstract Only)
Sacher, G.O., Scagel, C.F., Davis, E.A., Beck, B.R., Weiland, J.E. 2020. Pathogenicity of five Phytophthora species causing rhododendron root rot in Oregon. Phytopathology. 110:S2.138.
Salinity sensitivity and mycorrhizal responsiveness of polyphenolics in ‘Siam Queen’ basil grown in soilless substrate Reprint Icon - (Peer Reviewed Journal)
Scagel, C.F., Lee, J. 2020. Salinity sensitivity and mycorrhizal responsiveness of polyphenolics in ‘Siam Queen’ basil grown in soilless substrate. Scientia Horticulturae. 269. https://doi.org/10.1016/j.scienta.2020.109394.
Influence of perlite in peat- and coir-based media on vegetative growth and mineral nutrition of highbush blueberry Reprint Icon - (Peer Reviewed Journal)
Kingston, P.H., Scagel, C.F., Bryla, D.R., Strik, B.C. 2020. Influence of perlite in peat- and coir-based media on vegetative growth and mineral nutrition of highbush blueberry. HortScience. 55(5):658-663. https://doi.org/10.21273/HORTSCI14640-19.
Soilborne Phytophthora and Pythium diversity from rhododendron in propagation, container, and field production systems of the Pacific Northwest Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Beck, B.R., Foster, Z.S., Fieland, V.J. 2020. Soilborne Phytophthora and Pythium diversity from rhododendron in propagation, container, and field production systems of the Pacific Northwest. Plant Disease. 104(6):1841-1850. https://doi.org/10.1094/PDIS-08-19-1672-RE.
The composition of the fungal and oomycete microbiome of Rhododendron roots under varying growth conditions, nurseries, and cultivars Reprint Icon - (Peer Reviewed Journal)
Foster, Z.S., Weiland, G.E., Scagel, C.F., Grunwald, N.J. 2020. The composition of the fungal and oomycete microbiome of Rhododendron roots under varying growth conditions, nurseries, and cultivars. Phytobiomes Journal. 4(2):156-164. https://doi.org/10.1094/PBIOMES-09-19-0052-R.
Amending sandy soil with biochar promotes plant growth and root colonization by mycorrhizal fungi in highbush blueberry Reprint Icon - (Peer Reviewed Journal)
Sales, B.K., Bryla, D.R., Trippe, K.M., Weiland, G.E., Scagel, C.F., Strik, B.C., Sullivan, D.M. 2020. Amending sandy soil with a softwood biochar promotes plant growth and root colonization by mycorrhizal fungi in highbush blueberry. HortScience. 55(3):353-361. https://doi.org/10.21273/HORTSCI14542-19.
Population structure of Globisporangium cryptoirregulare from Rhododendron nurseries in Oregon - (Abstract Only)
Freire-Zapata, V., Calderon, P., Proaño, F., Scagel, C.F., Ward, C., Muñoz, Y.S., Grünwald, N.J., Weiland, J.E., Garzon, C. 2019. Population structure of Globisporangium cryptoirregulare from rhododendron nurseries in Oregon. Phytopathology. 109:S2.172.
Population structure of Phytophthora plurivora on Rhododendron in Oregon nurseries Reprint Icon - (Peer Reviewed Journal)
Carleson, N.C., Fieland, V.J., Scagel, C.F., Weiland, G.E., Grunwald, N.J. 2019. Population structure of Phytophthora plurivora on Rhododendron in Oregon nurseries. Plant Disease. 103(8):1923-1930. https://doi.org/10.1094/PDIS-12-18-2187-RE.
Rhododendron-Phytophthora root rot - (Other)
Pscheidt, J.W., Ocamb, C., Weiland, G.E., Scagel, C.F., Sacher, G., Mestas, A. 2019. Rhododendron-Phytophthora root rot. Pages 4R-28 to 4R-30 in Pacific Northwest Plant Disease Control Handbook. Oregon State University, Corvallis, OR. https://pnwhandbooks.org/node/3437.
Effect of nitrogen fertilization and irrigation frequency on plant growth and nutrient uptake of hydrangea using traditional and sustainable alternative containers Reprint Icon - (Peer Reviewed Journal)
Li, T., Bi, G., Harkess, R., Denny, G., Scagel, C.F. 2019. Effect of nitrogen fertilization and irrigation frequency on plant growth and nutrient uptake of hydrangea using traditional and sustainable alternative containers. HortScience. 54(1):167–174. https://doi.org/10.21273/HORTSCI13513-18.
Salinity from NaCl changes the nutrient and polyphenolic composition of basil leaves Reprint Icon - (Peer Reviewed Journal)
Scagel, C.F., Lee, J., Mitchell, J.N. 2019. Salinity from NaCl changes the nutrient and polyphenolic composition of basil leaves. Industrial Crops and Products. 127:119-128. https://doi.org/10.1016/j.indcrop.2018.10.048.
Disease control of Phytophthora plurivora and other Phytophthora species infecting European beech and rhododendron in the United States - (Abstract Only)
Weiland, G.E., Grunwald, N.J., Scagel, C.F. 2018. Disease control of Phytophthora plurivora and other Phytophthora species infecting European beech and rhododendron in the United States. Meeting Abstract for LIFE+ ELMIAS Ash and Elm, and IUFRO WP 7.02.01 Root and Stem Rots Conference (LIFE-IUFRO); 2018. Aug 26-Sept 1; Uppsala and Visby, Sweden.
Variation in disease severity caused by Phytophthora cinnamomi, P. plurivora, and Pythium cryptoirregulare on two rhododendron cultivars Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Beck, B.R. 2018. Variation in disease severity caused by Phytophthora cinnamomi, P. plurivora, and Pythium cryptoirregulare on two rhododendron cultivars. Plant Disease. https://doi.org/10.1094/PDIS-04-18-0666-RE.
Effects of amending soil with biochar on plant growth, mycorrhizal colonization, and phytophthora root rot in northern highbush blueberry - (Abstract Only)
Sales, B.K., Bryla, D.R., Trippe, K.M., Weiland, G.E., Scagel, C.F. 2019. Effects of amending soil with biochar on plant growth, mycorrhizal colonization, and phytophthora root rot in northern highbush blueberry. HortScience. 53(9):S51.
Heroes and villains: Research identifies harmful and beneficial microbes in nursery soil - (Trade Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Foster, Z., Fieland, V., Santamaria, L. 2018. Heroes and villains: Research identifies harmful and beneficial microbes in nursery soil. Digger. March:25-29.
Suitability of sphagnum moss, coir, and douglas fir bark as soilless substrates for container production of highbush blueberry - (Peer Reviewed Journal)
Kingston, P.H., Scagel, C.F., Bryla, D.R., Strik, B. 2017. Suitability of sphagnum moss, coir, and douglas fir bark as soilless substrates for container production of highbush blueberry. HortScience. 52(12):1692-1699. https://doi.org/10.21273/HORTSCI12374-17.
Comparing methods for inducing root rot of Rhododendron with Phytophthora cinnamomi and P. plurivora - (Abstract Only)
Mestas, A., Weiland, G.E., Beck, B.R., Davis, E.A., Grunwald, N.J., Scagel, C.F. 2017. Comparing methods for inducing root rot of Rhododendron with Phytophthora cinnamomi and P. plurivora [abstract]. Phytopathology. 107:S5.189. https://doi.org/10.1094/PHYTO-107-12-S5.180.
Late summer disease symptoms in western Washington red raspberry fields associated with co-occurrence of Phytophthora rubi, Verticillium dahliae, and Pratylenchus penetrans, but not Raspberry bushy dwarf virus Reprint Icon - (Peer Reviewed Journal)
Weiland, G.E., Benedict, C., Zasada, I.A., Scagel, C.F., Beck, B.R., Davis, E.A., Graham, K., Peetz, A.B., Martin, R.R., Dung, J.K., Reyes Gaige, A., Thiessen, L.S. 2017. Late summer disease symptoms in western Washington red raspberry fields associated with co-occurrence of Phytophthora rubi, Verticillium dahliae, and Pratylenchus penetrans, but not Raspberry bushy dwarf virus. Plant Disease. 102(5):938-947. https://doi.org/10.1094/PDIS-08-17-1293-RE.
Irrigation affects severity of root rot caused by Phythophthora plurivora and P. cinnamomi on rhododendron - (Abstract Only)
Scagel, C.F., Weiland, G.E., Grunwald, N.J., Davis, E.A., Beck, B.R., Mitchell, J.N. 2017. Irrigation affects severity of root rot caused by Phythophthora plurivora and P. cinnamomi on rhododendron. Abstract for American Society for Horticultural Science Annual Conference; Sept 19-22; Waikoloa, HI.
Fungicides reduce Rhododendron root rot and mortality caused by Phytophthora cinnamomi, but not by P. plurivora - (Abstract Only)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Davis, E.A., Mitchell, J.N., Beck, B.R. 2017. Fungicides reduce Rhododendron root rot and mortality caused by Phytophthora cinnamomi, but not by P. plurivora. Abstract for American Society for Horticultural Science Annual Conference; Sept 19-22; Waikoloa, HI.
The effects of cultivar, production system, and nursery on the composition of the rhizosphere microbiome of cultivated rhododendrons in Oregon - (Abstract Only)
Foster, Z.S., Weiland, G.E., Scagel, C.F., Grunwald, N.J. 2017. The effects of cultivar, production system, and nursery on the composition of the rhizosphere microbiome of cultivated rhododendrons in Oregon [abstract]. Phytopathology. 107:S5.4. https://doi.org/10.1094/PHYTO-107-12-S5.1.
Arbuscule frequency in grapevine roots is more responsive to reduction in photosynthetic capacity than to increased levels of shoot phosphorus - (Peer Reviewed Journal)
Schreiner, R.P., Scagel, C.F. 2016. Arbuscule frequency in grapevine roots is more responsive to reduction in photosynthetic capacity than to increased levels of shoot phosphorus. Journal of the American Society for Horticultural Science. 141(2):151-161.
Leaf blade versus petiole nutrient tests as predictors of nitrogen, phosphorus, and potassium status of ‘Pinot noir’ grapevines - (Peer Reviewed Journal)
Schreiner, R.P., Scagel, C.F. 2017. Leaf blade versus petiole nutrient tests as predictors of nitrogen, phosphorus, and potassium status of ‘Pinot noir’ grapevines. HortScience. 52(1):174–184. doi: 10.21273/HORTSCI11405-16.
Comparing vegetative propagation of two ‘Schipkaensis’ common cherrylaurel ploidy levels - (Peer Reviewed Journal)
Schulze, J.A., Contreras, R.N., Scagel, C.F. 2017. Comparing vegetative propagation of two ‘Schipkaensis’ common cherrylaurel ploidy levels. HortTechnology. 27(1):69-72. doi: 10.21273/HORTTECH03600-16.
Salt exclusion and mycorrhizal symbiosis increase tolerance to NaCl and CaCl2 salinity in ‘Siam Queen’ basil - (Peer Reviewed Journal)
Scagel, C.F., Bryla, D.R., Lee, J. 2017. Salt exclusion and mycorrhizal symbiosis increase tolerance to NaCl and CaCl2 salinity in ‘Siam Queen’ basil. HortScience. 52(2):278-287. doi: 10.21273/HORTSCI11256-16.
Evaluation of potting media for soilless cultivation of southern highbush blueberry - (Abstract Only)
Soilborne Diseases of the Nursery Industry: USDA-ARS and OSU Team Up to Tackle this Pernicious Problem - (Trade Journal)
Weiland, G.E., Scagel, C.F., Grunwald, N.J., Foster, Z., Santamaria, L. 2015. Soilborne Diseases of the Nursery Industry: USDA-ARS and OSU Team Up to Tackle this Pernicious Problem. Digger. 59(7):33-36.
Effect of fertilization and irrigation on nursery production of hydrangea using alternative containers - (Abstract Only)
Li, T., Bi, G., Scagel, C.F., Harkess, R.L. 2015. Effect of fertilization and irrigation on nursery production of hydrangea using alternative containers. HortScience. 50(9):S27.
Effect of nitrogen rate and irrigation frequency on plant growth and nutrient uptake of container-grown Hydrangea macrophylla ‘Merritt’s Supreme’ - (Proceedings)
Li, T., Bi, G., Scagel, C.F., Harkess, R.L., Denny, G.C. 2014. Effect of nitrogen rate and irrigation frequency on plant growth and nutrient uptake of container-grown Hydrangea macrophylla ‘Merritt’s Supreme’. In: Southern Nursery Association Conference, July 21-23, 2014, Atlanta Georgia. 59:32-36.
Irrigation frequency during container production alters Rhodendron growth, nutrient uptake, and flowering after transplanting into a landscape - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L.H., Regan, R.P. 2014. Irrigation frequency during container production alters Rhodendron growth, nutrient uptake, and flowering after transplanting into a landscape. HortScience. 49(7):955-960.
Irrigation frequency during container production alters rhododendron growth, nutrient uptake, and flowering after transplanting into a landscape - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Bryla, D.R., Fuchigami, L.H., Regan, R.P. 2014. Irrigation frequency during container production alters rhododendron growth, nutrient uptake, and flowering after transplanting into a landscape. HortScience. 49(7):955-960.
N, P, and K supply to Pinot noir grapevines: Impact on berry phenolics and free amino acids Reprint Icon - (Peer Reviewed Journal)
Schreiner, R.P., Scagel, C.F., Lee, J. 2014. N, P, and K supply to Pinot noir grapevines: Impact on berry phenolics and free amino acids. American Journal of Enology and Viticulture. 65:43-49.
Salinity limits to shoot and root growth and nutrient uptake in ‘Honeoye’ strawberry - (Peer Reviewed Journal)
Bryla, D.R., Scagel, C.F. 2014. Salinity limits to shoot and root growth and nutrient uptake in ‘Honeoye’ strawberry. Journal of Horticultural Science and Biotechnology. 89:458-470.
Chicoric acid: chemistry, distribution, and production - (Peer Reviewed Journal)
Lee, J., Scagel, C.F. 2013. Chicoric acid: chemistry, distribution, and production. Frontiers in Chemistry. 1:40.
Protecting against cold damage - (Trade Journal)
Scagel, C.F. 2013. Protecting against cold damage. Digger. p. 33-36.
Phenolic composition of basil plants is differentially altered by plant nutrient status and inoculation with mycorrhizal fungi - (Peer Reviewed Journal)
Scagel, C.F., Lee, J. 2012. Phenolic composition of basil plants is differentially altered by plant nutrient status and inoculation with mycorrhizal fungi. HortScience. 47(5):660-671.
Irrigation frequency alters nutrient uptake in container-grown Rhododendron plants grown with different rates of nitrogen - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L.H., Regan, R.P. 2012. Irrigation frequency alters nutrient uptake in container-grown Rhododendron plants grown with different rates of nitrogen. HortScience. 47(2):189-197.
Effects of irrigation frequency and nitrogen fertilizer rate on water stress, nitrogen uptake, and plant growth of container-grown Rhododendron - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L.H., Regan, R.P. 2011. Effects of irrigation frequency and nitrogen fertilizer rate on water stress, nitrogen uptake, and plant growth of container-grown Rhododendron. HortScience. 46(12):1598-1603.
Nutrient uptake and loss by container-grown deciduous and evergreen Rhododendron nursery plants - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L.H., Regan, R.P. 2011. Nutrient uptake and loss by container-grown deciduous and evergreen Rhododendron nursery plants. HortScience. 46(2):296-305.
Who’s On Your Roots – Summary of Mycorrhiza Work from Northern NSW - (Trade Journal)
Smart, S., Scagel, C.F., Mclean, C. 2010. Who’s On Your Roots – Summary of Mycorrhiza Work from Northern NSW. Australian Blueberry Grower. 24:7-11.
Effect of Nitrogen Availability on Mineral Nutrient Uptake and Plant Growth of Container-Grown Hydrangeas - (Abstract Only)
Bi, G., Scagel, C.F. 2010. Effect of nitrogen availability on mineral nutrient uptake and plant growth of container-grown hydrangeas. HortScience. 45:(8):S288.
Phenolic composition of basil plants is differentially altered by plant nutrient status and inoculation with mycorrhizal fungi - (Abstract Only)
Scagel, C.F., Lee, J. 2011. Phenolic composition of basil plants is differentially altered by plant nutrient status and inoculation with mycorrhizal fungi. HortScience. 46:S240-S241.
Caffeic Acid Derivatives in Market Available Lamiaceae and Echinacea purpurea Products - (Abstract Only)
Lee, J., Scagel, C.F. 2010. Caffeic acid derivatives in market available Lamiaceae and Echinacea purpurea products. Annual Meeting of the Institute of Food Technologists. IFT National Meeting Book of Abstracts. Abstract 289-06.
Tree Growth Stage and Environment after Pathogen Inoculation Alters Susceptibility of Pear Trees to Phytophthora Canker - (Peer Reviewed Journal)
Laywisadkul, S., Fuchigami, L., Scagel, C.F., Linderman, R.G. 2009. Tree growth stage and environment after pathogen inoculation alters susceptibility of pear trees to Phytophthora canker. The Open Horticulture Journal. 3:11-20.
Spraying Leaves of Pear Nursery Trees with Urea and Copper Ethylenediaminetetraacetic Acid Alters Tree Nitrogen Concentration without Influencing Tree Susceptibility to Phytophthora syringae - (Peer Reviewed Journal)
Laywisadkul, S., Fuchigami, L., Scagel, C.F., Linderman, R.G. 2010. Spraying leaves of pear nursery trees with urea and copper ethylenediaminetetraacetic acid alters tree nitrogen concentration without influencing tree susceptibility to Phytophthora syringae. HortTechnology. 20(2):331-342.
Chicoric Acid Levels in Commercial Basil (Ocimum basilicum) and Echinacea purpurea Products - (Peer Reviewed Journal)
Lee, J., Scagel, C.F. 2010. Chicoric acid levels in commercial basil (Ocimum basilicum) and Echinacea purpurea products. Journal of Functional Foods. 2:77-84.
Bud Necrosis of Green Ash Nursery Trees is Influenced by Nitrogen Availability and Fertilizer Type - (Peer Reviewed Journal)
Scagel, C.F., Regan, R., Bi, G. 2010. Bud necrosis of green ash nursery trees is influenced by nitrogen availability and fertilizer type. HortTechnology. 20(1):206-212.
Cold Tolerance of Container-Grown Green Ash Nursery Trees is Influenced by Nitrogen Fertilizer Type and Rate - (Peer Reviewed Journal)
Scagel, C.F., Regan, R., Hummel, R., Bi, G. 2010. Cold tolerance of container-grown green ash nursery trees is influenced by nitrogen fertilizer type and rate. HortTechnology. 20(2):292-303.
Effects of Fall Applications of Chemical Defoliants, Urea, and Gibberellic Acid on Defoliation in the Fall and Performance of Hydrangeas during Forcing - (Peer Reviewed Journal)
Bi, G., Scagel, C.F. 2009. Effects of fall applications of chemical defoliants, urea, and gibberellic acid on defoliation in the fall and performance of hydrangeas during forcing. HortScience. 44(6):1604-1607.
Chicoric Acid Levels in Basil (Ocimum basilicum L.) - (Abstract Only)
Lee, J., Scagel, C.F. 2009. Chicoric Acid Levels in Basil (Ocimum basilicum L.). American Chemistry Society 238th Annual Meeting. AGFD 142.
Quantifying Winter Discharge of Controlled Release Fertilizers to Determine Environmental Impact and Plant Uptake - (Abstract Only)
Owen, J.S., Altland, J.E., Scagel, C.F., Stoven, H., Horneck, D., Frantz, J. 2009. Quantifying Winter Discharge of Controlled Release Fertilizers to Determine Environmental Impact and Plant Uptake. Hortscience Proceedings. 2009 ASHS Annual Conference, 25-28 July 2009, St Louis Mo. 44(4):1064.
Spraying Hydrangea Leaves with Chemical Defoliants, Urea, and GA in the Autumn Alters Defoliation Efficiency and Growth and Flowering Performance of Hydrangea during Forcing. - (Abstract Only)
Bi, G., Scagel, C.F. 2009. Spraying hydrangea leaves with chemical defoliants, urea, and GA in the autumn alters defoliation efficiency and growth and flowering performance of hydrangea during forcing. HortScience.44:3.
Chicoric Acid Found in Basil (Ocimum basilicum L.) Leaves - (Peer Reviewed Journal)
Lee, J., Scagel, C.F. 2009. Chicoric acid found in basil (Ocimum basilicum L.) leaves. Food Chemistry. 115:650-656.
Effects of Mycorrhizal Fungi on Rooting of Stem Cuttings and In Vitro Shoots of Woody Plants - (Book / Chapter)
Adventitious Root Formation of Forest Trees and Horticultural Plants - From Genes to Applications - (Book / Chapter)
Niemi, K., Scagel, C.F. eds. 2009. Adventitious Root Formation of Forest Trees and Horticultural Plants - From Genes to Applications. Adventitious Root Formation of Forest Trees and Horticultural Plants - From Genes to Applications. Kerala, India. Research Signpost. 408 p.
Nitrogen Uptake and Mobilization by Hydrangea Leaves from Foliar Sprayed Urea in Autumn Depends on Plant Nitrogen Status - (Peer Reviewed Journal)
Bi, G., Scagel, C.F. 2008. Nitrogen uptake and mobilization by hydrangea leaves from foliar sprayed urea in autumn depends on plant nitrogen status. HortScience. 43:2151-2141.
Simple Linear Regression and Reflectance Sensitivity Analysis Used to Determine the Optimum Wavelength for Nondestructive Assessment of Chlorophyll in Fresh Leaves Using Spectral Reflectance - (Peer Reviewed Journal)
Ding, P., Scagel, C.F., Fuchigami, L.H. 2009. Simple linear regression and reflectance sensitivity analysis used to determine the optimum wavelength for nondestructive assessment of chlorophyll in fresh leaves using spectral reflectance. Journal of the American Society for Horticultural Science. 134(1):48-57.
A Survey of Blueberry Cultural Practices in Australia Emphasizing Implications for Mycorrhizal Infection - (Peer Reviewed Journal)
Waters, E., Scagel, C.F., Mclean, C. 2008. A survey of blueberry cultural practices in Australia emphasizing implications for mycorrhizal infection. International Journal of Fruit Science. 8(1-2):109-124.
Field Temperature and Anthocyanins in Merlot Grape Berries - (Abstract Only)
Tarara, J.M., Lee, J., Spayd, S.E., Scagel, C.F. 2008. Field temperature and anthocyanins in Merlot grape berries. HortScience. 43(4):1233.
Field Temperature and Anthocyanins in Merlot Grape Berries - (Abstract Only)
Tarara, J.M., Lee, J., Spayd, S.E., Scagel, C.F. 2008. Field temperature and anthocyanins in Merlot grape berries. HortScience. 43(4):1233.
Field Temperature and Anthocyanins in Merlot Grape Berries - (Abstract Only)
Tarara, J.M., Lee, J., Spayd, S.E., Scagel, C.F. 2008. Field temperature and anthocyanins in Merlot grape berries. American Journal of Enology and Viticulture. 59:346 A.
Field Temperature and Anthocyanins in Merlot Grape Berries - (Abstract Only)
Tarara, J.M., Lee, J., Spayd, S.E., Scagel, C.F. 2008. Field temperature and anthocyanins in Merlot grape berries. American Journal of Enology and Viticulture. 59(3).
Berry temperature and Solar Radiation Alter Acylation, Proportion, and Concentration of Anthocyanin in 'Merlot' Grapes - (Peer Reviewed Journal)
Tarara, J.M., Lee, J., Spayd, S.E., Scagel, C.F. 2008. Berry temperature and Solar Radiation Alter Acylation, Proportion, and Concentration of Anthocyanin in 'Merlot' Grapes. American Journal of Enology and Viticulture. 59:235-247.
Nitrogen Availability Alters Nutrient Uptake and Demand in Deciduous and Evergreen Container-Grown Rhododendron - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L., Regan, R. 2008. Nitrogen availability alters nutrient uptake and demand in deciduous and evergreen container-grown Rhododendron. Journal of Environmental Horticulture. 26(3):177-187.
Rate of Nitrogen Application during the Growing Season and Spraying Plants with Urea in the Autumn Alters Uptake of other Nutrients by Deciduous and Evergreen Container-Grown Rhododendron - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L., Regan, R. 2008. Rate of nitrogen application during the growing season and spraying plants with urea in the autumn alters uptake of other nutrients by deciduous and evergreen container-grown Rhododendron. HortScience. 43:1321-1627.
Cold Hardiness of Green Ash Nursery Trees is Influenced by Nitrogen Fertilizer Type and Rate - (Abstract Only)
Scagel, C.F., Regan, R.P., Bi, G., Hummel, R. 2008. Cold hardiness of green ash nursery trees is influenced by nitrogen fertilizer type and rate. HortScience. 43:1264.
They Raise Them Differently Up North - Different Production Practices in Australian Growing Areas May Affect Mycorrhizae - (Trade Journal)
Waters, E., Mclean, C., Scagel, C.F. 2008. They raise them differently up north - different production practices in Australian growing areas may affect mycorrhizae. Australian Blueberry Grower. 20:19-21.
Rate of Nitrogen Fertigation during Vegetative Growth and Spray Applications of Urea in the Autumn Alters Growth and Flowering of Florists' Hydrangeas - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Harkess, R., Paridon, K. 2008. Rate of nitrogen fertigation during vegetative growth and spray applications of urea in the autumn alters growth and flowering of florists' hydrangeas. HortScience. 43(2):472-477.
Rate of Nitrogen Application during the Growing Season Alters Response of Container-Grown Rhododendron and Azalea to Foliar Urea in Autumn - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Fuchigami, L.H. and Regan, R.P. 2007. Rate of nitrogen application during the growing season alters response of container-grown rhododendron and azalea to foliar urea in the autumn. Journal of Horticultural Science & Biotechnology. 82(5):753-763.
Seasonal Variation in Growth, Nitrogen Uptake and Allocation by Container-Grown Evergreen and Deciduos Rhododendron Cultivars - (Peer Reviewed Journal)
Scagel, C.F., Bi, G., Fuchigami, L.H., Regan, R.P. 2007. Seasonal variation in growth, nitrogen uptake and allocation by container-grown evergreen and deciduos Rhododendron cultivars. HortScience. 45(6):1440-1449.
Autumn Application of Foliar Urea Alters Winter Storage and Nitrogen Uptake and Growth of Container-Grown Rhododendron and Azalea the Following Spring - (Abstract Only)
Guihong, B., Scagel, C.F., Fuchigami, L., Regan, R. 2007. Autumn application of foliar urea alters winter storage and nitrogen uptake and growth of container-grown rhododendron and azalea the following spring. HortScience. 42(4):939.
Foliar Nitrogen Fertilization for Perennial Nursery Crops - (Trade Journal)
Bi, G., Scagel, C.F. 2007. Nitrogen foliar feeding has advantages. Nursery Management and Production. 23(3):43-47.
Who's On Your Roots: Part III - (Trade Journal)
Mclean, C., Scagel, C.F. 2006. Who's On Your Roots: Part III. Australian Blueberry Grower. 17:13.
Differences in Growth, and Nitrogen Uptake and Storage between Two Container-Grown Cultivars of Rhododendron - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Fuchigami, L.H., Regan, R.P. 2007. Differences in Growth, and Nitrogen Uptake and Storage between Two Container-Grown Cultivars of Rhododendron. Journal of Environmental Horticulture. 25(1):13-20.
Root Death In Landscapes: Natural Causes, Accidents, And Murder - (Trade Journal)
Scagel, C.F., Mathers, H. 2008. Root death in landscapes: natural causes, accidents, and murder. American Nurseryman. 207(2):26-34.
Root Induction of Pinus sylvestris L. Hypocotyl Cuttings Using Specific Ectomycorrhizal Fungi In Vitro - (Book / Chapter)
Niemi, K., Scagel, C.F. 2007. Root induction of Pinus sylvestris L. hypocotyl cuttings using specific ectomycorrhizal fungi in vitro. In: Jain, S.M.,Haggman, H., editors. Protocols for Micropropagation of Woody Trees and Fruits. Berlin: Springer. p. 147-152.
CHANGES IN POLYAMINE CONTENT AND LOCALIZATION OF ADC AND ODC MRNA TRANSCRIPTS DURING MYCORRHIZA FORMATION BY SUILLUS VARIEGATUS ON PINUS SYLVESTRIS IN AN IN VITRO CULTIVATION SYSTEM - (Peer Reviewed Journal)
Niemi, K., Sutela, S., Haggman, H., Scagel, C.F., Vuosku, J., Jokela, A., Sarjala, T. 2006. Changes in polyamine content and localization of ADC and ODC mRNA transcripts during mycorrhiza formation by suillus variegatus on pinus sylvestris in an in vitro cultivation system. Journal of Experimental Botany. 57(11):2795-2804.
Put mycorrhizae to use: The natural fungi can greatly improve plants’ nutrient and water uptake - (Trade Journal)
Scagel, C.F., Linderman, R.G. 2006. Put mycorrhizae to use: The natural fungi can greatly improve plants’ nutrient and water uptake. Nursery Management and Production. July 2006. p. 44-49.
PHOSPHORUS SUPPLY ALTERS TUBER COMPOSITION, FLOWER PRODUCTION, AND MYCORRHIZAL RESPONSIVENESS OF CONTAINER-GROWN HYBRID ZANTEDESCHIA - (Peer Reviewed Journal)
Scagel, C.F., Schreiner, R.P. 2006. Phosphorus supply alters tuber composition, flower production, and mycorrhizal responsiveness of container-grown hybrid zantedeschia. Plant and Soil Journal. 283: 329-342.
NUTRIENT UPTAKE AND ALLOCATION IN A MATURE PINOT NOIR VINEYARD IN OREGON, USA. - (Peer Reviewed Journal)
Schreiner, R.P., Scagel, C.F., Baham, J. 2006. Nutrient uptake and allocation in a mature Pinot Noir vineyard in Oregon,USA. HortScience.41:336-345.
UPDATE - LOOKING FOR MYCORRHIZAL FUNGI ON BLUEBERRIES IN AUSTRALIA - (Trade Journal)
Scagel, C.F. 2005. Update - looking for mycorrhizal fungi on blueberries in Australia. Australian Blueberry Grower. 15: 21-22.
Abiotic Factors Influencing Root Growth of Woody Nursery Plants in Containers - (Peer Reviewed Journal)
Mathers, H.M., Lowe, S.B., Scagel, C.F., Struve, D.K., Case, L.T. 2007. Abiotic factors influencing root growth of woody nursery plants in containers. HortTechnology. 17:151-162.
FACTORS ALTERING ROOT GROWTH IN NURSERY CONTAINERS. PART 1: MEDIA PHYSICAL PROPERTIES - (Trade Journal)
Mathers, H.M., Lowe, S.B., Struve, D.K., Scagel, C.F. 2005. Factors altering root growth in nursery containers. part 1: media physical properties. Trade Journal Publication. September:15-18.
FACTORS ALTERING ROOT GROWTH IN NURSERY CONTAINERS. PART 2: MEDIA DECOMPOSITION AND CHEMICAL PROPERTIES - (Trade Journal)
Mathers, H.M., Lowe, S.B., Struve, D.K., Scagel, C.F. 2005. Factors altering root growth in nursery containers. part 2: media decomposition and chemical properties. The Buckeye. October:15-18.
EFFECTS OF DEFOLIANTS (CUEDTA AND ZNSO4) AND FOLIAR UREA ON DEFOLIATION AND NITROGEN RESERVES OF ALMOND NURSERY PLANTS - (Abstract Only)
Bi, G., Scagel, C.F., Cheng, L., Fuchigami, L. 2005. Effects of defoliants (cuedta and znso4) and foliar urea on defoliation and nitrogen reserves of almond nursery plants. Hortscience. 40(4):1050.
EFFECTS OF DEFOLIANTS (CUEDTA AND ZNSO4) AND FOLIAR UREA ON DEFOLIATION, NITROGEN RESERVES AND REGROWTH PERFORMANCE OF ALMOND NURSERY PLANTS - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Cheng, L., Fuchigami, L.H. 2005. Effects of defoliants (cuedta and znso4) and foliar urea on defoliation, nitrogen reserves and regrowth performance of almond nursery plants. Journal of Horticultural Science and Biotechnology. 80:746-750.
WHO IS IN YOUR ROOTS?--LOOKING FOR MYCORRHIZAL FUNGI ON BLUEBERRIES IN AUSTRALIA - (Trade Journal)
Scagel, C.F., Mclean, C. 2005. Who is in your roots?--looking for mycorrhizal fungi on blueberries in Australia. Austrailian Blueberry Grower. 14:18-21.
INOCULATION WITH ERICOID MYCORRHIZAL FUNGI ALTERS FERTILIZER USE OF HIGHBUSH BLUEBERRY CULTIVARS - (Peer Reviewed Journal)
Scagel, C.F. 2005. Inoculation with ericoid mycorrhizal fungi alters fertilizer use of highbush blueberry cultivars. Hortscience. 40:786-94.
THE METHOD OF N APPLICATION IN SUMMER AFFECTS PLANT GROWTH AND N UPTAKE IN AUTUMN IN YOUNG FUJI/M26 APPLE TREES - (Peer Reviewed Journal)
Dong, S., Cheng, L., Scagel, C.F., Fuchigami, L.H. 2005. The method of n application in summer affects plant growth and n uptake in autumn in young fuji/m26 apple trees. Communications in Soil Science and Plant Analysis. 36:1465-1477.
INOCULATION WITH ERICOID MYCORRHIZAL FUNGI ALTERS ROOT COLONIZATION AND GROWTH IN NURSERY PRODUCTION OF BLUEBERRY PLANTS FROM TISSUE CULTURE AND CUTTINGS - (Peer Reviewed Journal)
Scagel, C.F., Wagner, A., Winiarski, P. 2005. Inoculation with ericoid mycorrhizal fungi alters root colonization and growth in nursery production of blueberry plants from tissue culture and cuttings. Small Fruit Reviews. 4(4):113-135.
ISOLATE-SPECIFIC ROOTING RESPONSES OF LEUCOTHOE FONTANESIANA CUTTINGS TO INOCULATION WITH ERICOID MYCORRHIZAL FUNGI - (Peer Reviewed Journal)
Scagel, C.F. 2005. Isolate-specific rooting responses of leucothoe fontanesiana cuttings to inoculation with ericoid mycorrhizal fungi. Journal of Horticultural Science and Biotechnology. 80:254-262.
TIMING OF APPLICATION AFFECTS LEAF AND ROOT N UPTAKE IN YOUNG FUJI/M.9 APPLE TREES - (Peer Reviewed Journal)
Dong, S., Cheng, L., Scagel, C.F., Fuchigami, L.H. 2005. Timing of application affects leaf and root n uptake in young fuji/m.9 apple trees. Journal of Horticultural Science and Biotechnology. 80(1)116-120.
MYCORRHIZA-INDUCED CHANGES IN PARTITIONING AND COMPOSITION ALTERS FLOWER AND VEGETATION PRODUCTION OF FLORAL GEOPHYTES - (Abstract Only)
Scagel, C.F. 2004. Mycorrhiza-induced changes in partitioning and composition alters flower and vegetation production of floral geophytes. ASHS Annual Meeting Abstract. 2004. 39(4) p. 767.
NITROGEN STORAGE AND ITS INTERACTION WITH CARBOHYDRATES OF YOUNG ALMOND TREES IN RESPONSE TO NITROGEN SUPPLY - (Abstract Only)
Guihong, B., Scagel, C.F., Cheng, L., Fuchigani, L. 2004. Nitrogen storage and its interaction with carbohydrates of young almond trees in response to nitrogen supply. ASHS Annual Meeting Abstract. 2004. 39(4) p. 796.
INTERACTION OF OZONE AND GRASS COMPETITION ON ABOVE-AND BELOWGROUND GAS EXCHANGE IN PONDEROSA PINE - (Abstract Only)
Anderson, C.P., Hoggsett, W.E., Scagel, C.F., Ploucher, M., Coulombe, R. 2004. Interaction of ozone and grass competition on above-and belowground gas exchange in ponderosa pine. Meeting Abstract.
INFLUENCE OF ARBUSCULAR MYCORRHIZAL INOCULUM ON CUTTING COMPOSITION DURING EARLY STAGES OF ADVENTITIOUS ROOTING IN MINIATURE ROSE - (Peer Reviewed Journal)
Scagel, C.F. 2004. Influence of arbuscular mycorrhizal inoculum on cutting composition during early stages of adventitious rooting in miniature rose. Journal of the American Society for Horticultural Science. 129:624-34.
FREQUENCY AND INTENSITY OF ROOT COLONIZATION BY ERICOID MYCORRHIZAL FUNGI IN NURSERY PRODUCTION OF BLUEBERRY PLANTS - (Peer Reviewed Journal)
Scagel, C.F., Wagner, A., Winiarski, P. 2005. Frequency and intensity of root colonization by ericoid mycorrhizal fungi in nursery production of blueberry plants. Small Fruit Reviews. 4(4):95-112.
ENHANCED ROOTING OF KINNIKINNICK CUTTINGS USING MYCORRHIZAL FUNGI IN ROOTING SUBTRATE - (Peer Reviewed Journal)
Scagel, C.F. Enhanced rooting of kinnikinnick cuttings using mycorrhizal fungi in rooting subtrate. HortTechnology. 2004. 14(3) p.355-363.
SOIL AND FOLIAR NITROGEN SUPPLY AFFECTS THE COMPOSITION OF NITROGEN AND CARBOHYDRATES OF YOUNG ALMOND TREES - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Cheng, L., and Fuchigami, L. Soil and Foliar Nitrogen Supply Affects the Composition of Nitrogen and Carbohydrates of Young Almond Trees. J. Hort. Sci. Biotech. 2004. 79(2) p.175-181.
EFFECTS OF SPRING SOIL NITROGEN APPLICATION ON NITROGEN REMOBILIZATION,UPTAKE AND PARTITIONING FOR NEW GROWTH IN ALMOND NURSERY PLANTS - (Peer Reviewed Journal)
Guihong, B., Scagel, C.F., Cheng, L., Fuchigami, L.H. 2004. Effects of spring soil nitrogen application on nitrogen remobilization,uptake and partitioning for new growth in almond nursery plants. Journal of Horticultural Science and Biotechnology.
N UPTAKE SOIL RETENTION AND LOSS OF SOIL APPLIED 15NH415NO3 IN YOUNG FUJI/M.26 APPLE TREES WITH DIFFERENT N STATUS - (Peer Reviewed Journal)
Dong, S., Cheng, L., Scagel, C.F., Fuchigami, L.H. N uptake soil retention and loss of soil applied 15nh415no3 in young fuji/m.26 apple trees with different N status. Journal of Horticultural Science and Biotechnology. 2004. 79(3) p. 395-400.
INOCULATION WITH ARBUSCULAR MYCORRHIZAL FUNGI ALTERS NUTRIENT ALLOCATION AND FLOWERING OF FREESIA X HYBRIDA - (Peer Reviewed Journal)
SCAGEL, C.F. INOCULATION WITH ARBUSCULAR MYCORRHIZAL FUNGI ALTERS NUTRIENT ALLOCATION AND FLOWERING OF FREESIA X HYBRIDA. JOURNAL OF ENVIRONMENTAL HORTICULTURE. 2003. 21(4): 196-205.
FIELD INOCULATION OF CRANBERRY WITH ERICOID MYCORRHIZAL FUNGI: ARE THERE ANY BENEFITS IN ORGANIC PRODUCTION? - (Peer Reviewed Journal)
FIELD INOCULATION OF CRANBERRY WITH ERICOID MYCORRHIZAL FUNGI: ARE THERE ANY BENEFITS IN ORGANIC PRODUCTION? Scagel, C.F.
THE RELATIONSHIP OF NITROGEN AND DEFOLIATION ON ESTABLISHMENT OF BAREROOTED DECIDUOUS PLANTS - (Abstract Only)
THE RELATIONSHIP OF NITROGEN AND DEFOLIATION ON ESTABLISHMENT OF BAREROOTED DECIDUOUS PLANTS. Guihong, B.I., Scagel, C.F., Fuchigami, L.
NITROGEN MOBILIZATION, NITROGEN UPTAKE, AND GROWTH OF CUTTINGS OBTAINED FROM POPLAR STOCK PLANTS GROWN IN DIFFERENT N REGIMES AND SPRAYED WITH UREA IN AUTUMN - (Peer Reviewed Journal)
DONG, S., CHENG, L., SCAGEL, C.F., FUCHIGAMI, L. NITROGEN MOBILIZATION, NITROGEN UPTAKE, AND GROWTH OF CUTTINGS OBTAINED FROM POPLAR STOCK PLANTS GROWN IN DIFFERENT N REGIMES AND SPRAYED WITH UREA IN AUTUMN. TREE PHYSIOLOGY. 2004. 24: 355-359.
SPRING GROWTH OF ALMOND NURSERY TREES DEPENDS UPON BOTH NITROGEN RESERVES AND SPRING NITROGEN APPLICATION - (Peer Reviewed Journal)
Bi, G., Scagel, C.F., Cheng, L., Dong, S., Fuchigami, L.H. Spring growth of almond nursery trees depends upon both nitrogen reserves and spring nitrogen application. Journal of Horticultural Science and Biotechnology. 78(6): 853-858.
INOCULATION WITH VESICULAR ARBUSCULAR MYCORRHIZAL FUNGI AND RHIZOBACTERIA ALTERS NUTRIENT ALLOCATION AND FLOWERING OF HARLEQUIN FLOWER - (Peer Reviewed Journal)
Scagel, Carolyn F. Inoculation With Arbuscular Mycorrhizal Fungi And Rhizobacteria Alters Nutrient Allocation And Flowering Of Harlequin Flower. HortTechnology. 2004. 14(1) p. 39-48
APPLICATION OF ECTOMYCORRHIZAL FUNGI IN VEGETATIVE PROPAGATION OF CONIFERS - (Peer Reviewed Journal)
Niemi, K., Scagel, C.F., Haggman, H. 2004. Application Of Ecotomycorrhizal Fungi In Vegetative Propagation Of Conifers. v.78: 83-91.
FERTILIZER TYPE AND PLANT GENOTYPE ALTERS THE RESPONSE OF HIGHBUSH BLUEBERRY (VACCINIUM CORYMBOSUM) TO INOCULATION WITH ERICOID MYCORRHIZAL FUNGI. - (Abstract Only)
Scagel, C.F. Fertilizer Type And Plant Genotype Alters The Response Of Highbush Blueberry (Vaccinium Corybosum) To Inoculation With Ericoid Mycorrhizal Fungi. ASHS Annual Meeting Abstracts. 2003. 38(5) p. 794.
SPRING SOIL NITROGEN APPLICATION IN RELATION TO NITROGEN REMOBILIZATION, UPTAKE, AND PARTITIONING FOR NEW GROWTH IN ALMOND NURSERY PLANTS - (Abstract Only)
Guihong, B.I., Scagel, C.F., Fuchigami, L. SPRING SOIL NITROGEN APPLICATION IN RELATION TO NITROGEN REMOBILIZATION, UPTAKE, AND PARTITIONING FOR NEW GROWRH IN ALMOND NURSERY PLANTS. ASHS Annual Meeting Abstracts. 2003. 38(5) p. 850
RESPONSES OF HIGHBUSH BLUEBERRY (VACCINIUM CORYMBOSUM) TO INOCULATION WITH ERICOID MYCORRHIZAL FUNGI DEPENDS ON FERTILIZER TYPE, FUNGAL ISOLATE, AND PLANT GENOTYPES - (Abstract Only)
RESPONSES OF HIGHBUSH BLUEBERRY (VACCINIUM CORYMBOSUM) TO INOCULATION WITH ERICOID MYCORRHIZAL FUNGI DEPENDS ON FERTILIZER TYPE, FUNGAL ISOLATE, AND PLANT GENOTYPES. Scagel, C.F.
MYCORRHIZA-INDUCED CHANGES IN PARTITIONING AND COMPOSITION ALTERS FLOWER AND VEGETATION PRODUCTION OF FLORAL GEOPHYTES - (Abstract Only)
MYCORRHIZA-INCUCED CHANGES IN PARTITIONING AND COMPOSITION ALTERS FLOWER AND VEGETATION PRODUCTION OF FLORAL GEOPHYTES. Scagel, C.F.
APPLICATION OF ECTOMYCORRHIZAL FUNGI IN VEGETATIVE PROPAGATION OF CONIFERS - (Abstract Only)
Niemi, K., Scagel, C.F., Haggman, H. APPLICATION OF ECTOMYCORRHIZAL FUNGI IN VEGETATIVE PROPAGATION OF CONIFERS. Plant Cell Tissue and Organ Culture. 2004. (78) p. 83-91
CULTURAL VARIATION AND MYCORRHIZAL STATUS OF BLUEBERRY PLANTS IN NW OREGON COMMERCIAL PRODUCTION FIELDS - (Peer Reviewed Journal)
Scagel, C.F., Yang, W. 2005. Cultural Variation And Mycorrhizal Status Of Blueberry Plants In NW Oregon Commercial Production Fields. 5:85-111.
SOIL PASTEURIZATION AND INOCULATION WITH MYCORRHIZAL FUNGI ALTERS FLOWER PRODUCTIN AND CORM COMPOSITION OF BRODIAEA LAXA - (Peer Reviewed Journal)
Scagel, C.F. 2004. Soil pasteurization and inoculation with mycorrhizal fungi alters flower productin and corm composition of brodiaea laxa. Hortscience. 39(6):1432-1437.
SOIL PASTEURIZATION AND INOCULATION WITH GLOMUS INTRARADICES ALTERS FLOWER PRODUCTION AND BULB COMPOSITION OF ZEPHYRANTHES SPP. - (Peer Reviewed Journal)
C.F. Scagel. Soil Pasteurization and Inoculation With Glomus intraradices Alters Flower Production and Bulb Composition of Zephyranthes spp. Journal of Horticultural Science and Biotechnology. 78 (6) 798-812.
ERICOID MYCORRHIZAE IN NURSERY PRODUCTION OF BLUEBERRIES - (Proceedings)
Scagel, C.F., Wagner, A., Winiarski, P. 2003. Ericoid mycorrhizae in nursery production of blueberries. Proceedings of the Oregon Horticultural Society.
ROOT DAMAGE AFFECTS NITROGEN UPTAKE AND GROWTH OF YOUNG FUJI/M26 APPLE TREES - (Peer Reviewed Journal)
Dong, S., Cheng, L., Scagel, C.F., Fuchigami, L.H. 2003. Root damage affects nitrogen uptake and growth of young fuji/m26 apple trees. Journal of Horticultural Science and Biotechnology. 78(3)41-415.
SPRING GROWTH OF ALMOND NURSERY TREES DEPENDS UPON BOTH NITROGEN RESERVES AND SPRING NITROGEN APPLICATION - (Proceedings)
Bi, G., Scagel, C.F., Chen, L., Dong, S., Fuchigami, L. 2002. Spring growth of almond nursery trees depends upon both nitrogen reserves and spring nitrogen application. Proceedings American Society of Horticultural Sciences. 37(5).
OREGON BLUEBERRY SURVEY: ERICOID MYCORRHIZAL FUNGI, ROOT DISTRIBUTION AND SOIL CHARACTERISTICS - (Proceedings)
Scagel, C.F., Yang, W. 2002. Oregon blueberry survey: ericoid mycorrhizal fungi, root distribution and soil characteristics. Proceedings of the Oregon Horticultural Society.
ABSORPTION, TRANSLOCATION, AND DISTRIBUTION FROM UREA APPLIED IN AUTUMN TO LEAVES OF YOUNG POTTED APPLE (MALUS DOMESTICA) TREES. - (Peer Reviewed Journal)
Dong, S., Cheng, L. Scagel, C.F., Fuchigami, L.H. Absorbtion, Tranlocation, And Distribution From Urea Applied In Autumn To Leaves Of Young Potted Apple (Malus docmestica) trees.
MYCORRHIZAL STATUS OF SAND-BASED CRANBERRY (VACCINIUM MACROCARPON) BOGS IN SOUTHERN OREGON - (Peer Reviewed Journal)
Scagel, C.F. 2003. Mycorrhizal status of sand-based cranberry (Vaccinium macrocarpon) bogs in southern Oregon. Journal of Small Fruit and Viticulture. 2(1):31.41.
MYCORRHIZAL FUNGI IN ROOTING SUBSTRATE INFLUENCES THE QUANTITY AND QUALITY OF ROOTS ON STEM CUTTINGS OF HICK'S YEW - (Peer Reviewed Journal)
Scagel, C.F., Reddy, K., Armstrong, J.M. 2003. Mycorrhizal fungi in rooting substrate influences the quantity and quality of roots on stem cuttings of Hick's yew. HortTechnology. 13(1):62-66.
GROWTH AND NUTRIENT USE OF ERICACEOUS PLANTS GROWN IN MEDIA AMENDED WITH SPHAGNUM PEAT MOSS OR COIR DUST - (Peer Reviewed Journal)
Scagel, C.F. 2003. Growth and nutrient use of ericaceous plants grown in media amended with sphagnum peat moss or coir dust. HortScience. 38(1):46-54.
FLOWERING AND BULB QUALITY OF LILIACEOUS SPECIES IN RESPONSE TO MYCORRHIZALFUNGI - (Proceedings)
Scagel, C.F., Linderman, R.G. 2001. Flowering and bulb quality of liliaceous species in response to mycorrhizalfungi. Plant Propagators Society Proceedings. 51:280-286.
INTERACTIONS BETWEEN SOIL TEMPERATURE AND PLANT GROWTH STAGE ON NITROGEN UPTAKE AND AMINO ACID CONTENT OF APPLE NURSERY STOCK DURING EARLY SPRING GROWTH. - (Peer Reviewed Journal)
Dong, S., Scagel, C.F., Cheng, L., Fuchigami, L.H., Rygiewicz, P.T. 2001. Interactions between soil temperature and plant growth stage on nitrogen uptake and amino acid content of apple nursery stock during early spring growth.Tree Physiology. 21:541-548.
CULTIVAR SPECIFIC EFFECTS OF MYCORRHIZAL FUNGI ON THE ROOTING OF MINITURE ROSE CUTTINGS - (Peer Reviewed Journal)
Scagel, C.F. 2001. Cultivar specific effects of mycorrhizal fungi on the rooting of miniture rose cuttings. Journal of Environmental Horticulture. 19:15-20.
EFFECTS OF MYCORRHIZAL FUNGI ON ROOTING IN WOODY HORTICULTURAL CROPS. - (Proceedings)
TEN YEAR GROWTH AND SURVIVAL OF DOUGLAS-FIR SEEDLINGS TREATED WITH PLANT GROWTH REGULATING SUBSTANCES AT TRANSPLANT - (Peer Reviewed Journal)
Scagel, C.F., Linderman, R.G. 2000. Ten year growth and survival of douglas-fir seedlings treated with plant growth regulating substances at transplant. Canadian Journal of Forest Research. 30:1778-1787.
REGULATING ROOT GROWTH IN ERICACEOUS PLANT PROPAGATION - (Proceedings)
Scagel, C.F. 2000. Regulating root growth in ericaceous plant propagation. International Plant Propagators Proceedings. 49:589-593.
CHANGES IN ROOT IAA CONTENT AND GROWTH OF BAREROOT CONIFERS TREATED WITH PLANT GROWTH REGULATING SUBSTANCES AT PLANTING - (Peer Reviewed Journal)
Scagel, C.F., Linderman, R.G. 2000. Changes in root iaa content and growth of bareroot conifers treated with plant growth regulating substances at planting. Journal of Environmental Horticulture. 18:99-107.
RELATIONSHIPS BETWEEN IN VITRO IAA OR ETHYLENE PRODUCTION CAPACITY OF ECTOMYCORRHIZAL FUNGI AND THE RESPONSES OF CONIFER SEEDLINGS IN SYMBIOSIS - (Peer Reviewed Journal)