Skip to main content
ARS Home » Pacific West Area » Riverside, California » National Clonal Germplasm Repository for Citrus » People & Locations » Robert Krueger
Robert R Krueger
National Clonal Germplasm Repository for Citrus
Research Leader

Phone: (951) 827-6980
Fax:

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Citrus and Date Genetic Resource Conservation and Utilization
In-House Appropriated (D)
  Accession Number: 445633
The Continental USA, Hawaii & Puerto Rico National Plant Clean Network-Citrus (NCPN-Citrus)
Interagency Reimbursable Agreement (I)
  Accession Number: 446206
Designing Drought Tolerant Specialty Crops Using Metabolic Modeling
Reimbursable Cooperative Agreement (R)
  Accession Number: 444764
CAP_Evaluation of Promising, HLB-resistant/tolerant Citrus Scion Hybrids Generated by Breeding
Reimbursable Cooperative Agreement (R)
  Accession Number: 445671
Genetic Characterization of Citrus and Date Germplasm
Non-Assistance Cooperative Agreement (S)
  Accession Number: 437569
Developing a Diagnostic Procedure for Candidatus Phytoplasma brasiliense
Non-Assistance Cooperative Agreement (S)
  Accession Number: 444270
Development of Molecular Diagnostic Assays for 16SrV Phytoplasmas
Non-Assistance Cooperative Agreement (S)
  Accession Number: 446432

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
History of citrus classification from Imperial China to the present day - (Abstract Only)
Development of a TaqMan assay for the detection of ‘Candidatus Phytoplasma brasiliense’ and assessment by high resolution melt-curve analysis (HRMA) Reprint Icon - (Peer Reviewed Journal)
Lane, J., Bloch, M., Helmick, E.E., Krueger, R., Bahder, B.W. 2024. Development of a TaqMan assay for the detection of ‘Candidatus Phytoplasma brasiliense’ and assessment by high resolution melt-curve analysis (HRMA). Plant Disease. https://apsjournals.apsnet.org/doi/10.1094/PDIS-04-24-0742-RE.
Chromosome-scale, de novo, phased genome assemblies of three Australian limes, Citrus australasica, C. inodora, and C. glauca, towards finding insights into disease resistance to citrus huanglongbing Reprint Icon - (Peer Reviewed Journal)
Singh, K., Huff, M., Liu, J., Park, J., Rickman, T., Keremane, M.L., Krueger, R., Kunta, M., Roose, M., Dardick, C.D., Staton, M., Ramadugu, C. 2024. Chromosome-scale, de novo, phased genome assemblies of three Australian limes, Citrus australasica, C. inodora, and C. glauca, towards finding insights into disease resistance to citrus huanglongbing. Plants. https://doi.org/10.3390/plants13111460.
Influence of pollination in liquid suspension on the date palm (Phoenix dactylifera L.) Mejhoul cultivar in Mexicali Valley, Mexico Reprint Icon - (Peer Reviewed Journal)
Salomon-Torres, R., Acosta-Perez, J., Gutierrez-Pacheco, M., Krueger, R., Ruisanchez-Ortega, Y., Oihabi, A., Abul-Soad, A., Zaid, A. 2024. Influence of pollination in liquid suspension on the date palm (Phoenix dactylifera L.) Mejhoul cultivar in Mexicali Valley, Mexico. Emirates Journal of Food and Agriculture. 36:1-8. https://doi.org/10.3897/ejfa.2024.120425.
Next generation sequencing, and development of a pipeline as a tool for the detection and discovery of citrus pathogens to facilitate safer germplasm exchange Reprint Icon - (Peer Reviewed Journal)
Keremane, M.L., Singh, K., Ramadugu, C., Krueger, R., Skaggs, T.H. 2024. Next generation sequencing, and development of a pipeline as a tool for the detection and discovery of citrus pathogens to facilitate safer germplasm exchange. Plants. 13(3). Article 411. https://doi.org/10.3390/plants13030411.
Reproductive behavior and development of the global insect pest cotton seed bug Oxycarenus hyalinipennis Reprint Icon - (Peer Reviewed Journal)
Ahmed, M., Hu, J.S., Strickland, J.A., Krueger, R., Shannon, C., Zhang, A. 2024. Reproductive behavior and development of the global insect pest cotton seed bug. Insects. Insects 2024, 15(1), 65;. https://doi.org/10.3390/insects15010065.
Phytoplasma diseases of palms in the USA - (Experiment Station)
Krueger, R., Bahder, B. 2024. Phytoplasma diseases of palms in the USA. Subtropics newsletter (25)12-19. https://ceventura.ucanr.edu/newsletters/Topics_in_Subtropics100493.pdf
Recent advances in date palm water management - (Trade Journal)
Montazar, A., Krueger, R. 2023. Recent advances in date palm water management. Progressive Crop Consultant. 8:8-12.
Multiplex qPCR detection of ‘Candidatus Liberibacter spp.’ and Spiroplasma citri - (Abstract Only)
New pathogen testing tools for safe movement of citrus germplasm in the Huanglongbing (HLB) era - (Abstract Only)
Analyzing Huanglongbing-resistant pummelo from India. - (Abstract Only)
Analysis of r-genes in Australian limes in comparison to commercial citrus cultivars - (Abstract Only)
Navigating the genetic bottleneck of HLB: exploring the genomes of Australian limes for development of disease resistance - (Abstract Only)
Safety and efficacy of potential herbicides for use in date palm - (Abstract Only)
Pangenome analysis provides insight into the evolution of the orange subfamily and a key gene for citric acid accumulation in citric fruits Reprint Icon - (Peer Reviewed Journal)
Huang, Y., He, J., Xu, Y., Zheng, W., Wang, S., Chen, P., Zheng, B., Yang, S., Jiang, X., Liu, Z., Wang, L., Wang, X., Liu, S., Lu, Z., Liu, Z., Yu, H., Zhang, Y., Yue, J., Gao, J., Zhou, X., Long, C., Zeng, X., Guo, Y., Zhang, W., Xie, Z., Li, C., Ma, Z., Jiao, W., Zhang, F., Larkin, R.M., Krueger, R., Smith, M., Ming, R., Deng, X., Xu, Q. 2023. Pangenome analysis provides insight into the evolution of the orange subfamily and a key gene for citric acid accumulation in citric fruits. Nature Genetics. 55:1964-1975. https://doi.org/10.1038/s41588-023-01516-6.
A global strategy for the conservation and use of citrus genetic resources Reprint Icon - (Book / Chapter)
Volk, G.M., Gmitter, F., Krueger, R. 2023. A global strategy for the conservation and use of citrus genetic resources. Bonn, Germany: Global Crop Diversty Trust. 78 p. https://doi.org/10.5281/zenodo.7757226.
Conserving citrus diversity: From Vavilov’s early explorations to genebanks around the world Reprint Icon - (Peer Reviewed Journal)
Volk, G.M., Gmitter, F., Krueger, R. 2023. Conserving citrus diversity: From Vavilov’s early explorations to genebanks around the world. Plants. 12(4). Article e814. https://doi.org/10.3390/plants12040814.
Chapter 18 - Policies, regulations, and production of viroid-free propagative plant materials for sustainable agriculture Reprint Icon - (Book / Chapter)
Lavagi-Craddock, I., Harper, S., Krueger, R., Vidalakis, G. 2023. Chapter 18 - Policies, regulations, and production of viroid-free propagative plant materials for sustainable agriculture. In: Adkar-Purushothama, C., Sano, T., Perreault, J., Yanjarappa, S., Di Serio, F., Daros, J., editors. Fundamentals of Viroid Biology. Amsterdam, NL: Elsevier. p. 337-361. https://doi.org/10.1016/B978-0-323-99688-4.00023-7.
Date Palm Reprint Icon - (Book / Chapter)
Al-Khayri, J.M., Jain, S.M., Johnson, D.V., Krueger, R. 2023. Date Palm. Oxfordshire, UK: CAB International. 648 p. https://doi.org/10.1079/9781800620209.0001.
Bioenergy value of seed waste from the Mexican date (Phoenix dactylifera L.) industry Reprint Icon - (Peer Reviewed Journal)
Garcia-Gonzalez, C., Salomón-Torres, R., Montero-Alpírez, G., Valdez-Salas, B., Coronado-Ortega, M., Curiel-Alvarez, M., Ayala-Bautista, J., Krueger, R., Pérez-Sánchez, A., Torres-Ramos, R., Samaniego-Sandoval, L. 2022. Bioenergy value of seed waste from the Mexican date (Phoenix dactylifera L.) industry. Biotechnologie, Agronomie, Société et Envrionnement. 26(4):241-251. https://doi.org/10.25518/1780-4507.20026.
In memorium: Chet Roistacher - (Trade Journal)
Krueger, R., Bash, J., Vidalakis, G. 2023. In memorium: Chet Roistacher. Citrograph. 14(1):20-21.
Evaluation of pollen production of common male date palms grown in the mexicali valley, Mexico Reprint Icon - (Peer Reviewed Journal)
Salomon-Torres, R., Ortiz-Uribe, N., Krueger, R., Garcia-Vazquez, J., Cohen, Y., Wright, G.C., Samaniego-Sandoval, L. 2022. Evaluation of pollen production of common male date palms grown in the mexicali valley, Mexico. Agriculture. https://doi.org/10.3390/agriculture10020045.
Introduction: The date palm legacy Reprint Icon - (Book / Chapter)
Krueger, R., Al-Khayri, J., Jain, S.M., Johnson, D.V. 2023. Introduction: The date palm legacy. In: Al-Khayri, J.M., Jain, S.M., Johson, D.V., Krueger, R.R. Date Palm. Oxfordshire, UK: CAB International. p. 1-21. https://doi.org/10.1079/9781800620209.0001.
Analysis of ‘Marrakesh limetta’ (Citrus x limon var. limetta (Risso) Ollitrault, Curk & R.Krueger) horticultural history and relationships with limes and lemons Reprint Icon - (Peer Reviewed Journal)
Rivera, D., Bermudez, A., Obon, C., Alcaraz, F., Rios, S., Sanchez-Balibera, J., Krueger, R. 2021. Analysis of ‘Marrakesh limetta’ (Citrus x limon var. limetta (Risso) Ollitrault, Curk & R.Krueger) horticultural history and relationships with limes and lemons. Scientia Horticulturae. 293. Article 110688. https://doi.org/10.1016/j.scienta.2021.110688.
Can Artificial Intelligence enhance the profit and environmental sustainability of agriculture? - (Trade Journal)
Scudiero, E., Anderson, R.G., Dhungel, R., Rios, S., Krueger, R. 2021. Can Artificial Intelligence enhance the profit and environmental sustainability of agriculture? Progressive Crop Consultant. 6(4):4-9.
Date Palm Pollen: Features, Production, Extraction and Pollination Methods Reprint Icon - (Peer Reviewed Journal)
Salomon-Torres, R., Krueger, R., Garcia-Vazquez, J., Villa-Angulo, R., Villa-Angulo, C., Ruiz-Ortiz, N., Samaniego-Sandoval, L. 2021. Date Palm Pollen: Features, Production, Extraction and Pollination Methods. Agronomy. 11(3). Article 504. https://doi.org/10.3390/agronomy11030504.
Methods for cryopreserving of date palm pollen Reprint Icon - (Book / Chapter)
Araujo De Oliveira, A., Ledo, A., Polek, M., Krueger, R., Shepherd, A.N., Volk, G.M. 2023. Methods for cryopreserving of date palm pollen. In: Rajasekharan, P., Rohini, M., editors. Pollen Cryopreservation Protocols. New York, NY: Humana. p.519-525. https://doi.org/10.1007/978-1-0716-2843-0_49.
Study and detection of citrus viroids in woody hosts Reprint Icon - (Book / Chapter)
Krueger, R., Vidalakis, G. 2021. Study and detection of citrus viroids in woody hosts. In: Rao, A.L.N., Lavagi-Craddock, I., Vidalakis, G., editors. Viroids. Methods in Molecular Biology, Volume 2316. New York, NY: Humana Press. p. 3-21. https://doi.org/10.1007/978-1-0716-1464-8_1.
Snapshot: the Mexican date industry - (Trade Journal)
Ortiz-Uribe, N., Salomon-Torres, R., Krueger, R. 2020. Snapshot: the Mexican date industry. Subtropics newsletter. Summer 2020, Vol 18, pp 7 - 14. http://ceventura.ucanr.edu/newsletters/Topics_in_Subtropics86365.pdf
Determination of actual evapotranspiration and crop coeffients of California date palms using the residual of energy balance approach Reprint Icon - (Peer Reviewed Journal)
Montazar, A., Krueger, R., Corwin, D.L., Pourreza, A., Little, C., Rios, S., Snyder, R.L. 2020. Determination of actual evapotranspiration and crop coeffients of California date palms using the residual of energy balance approach. Water. 12(8). Article 2253. https://www.mdpi.com/2073-4441/12/8/2253.
Optimization of in vitro germination and cryopreservation conditions for preserving date palm pollen in the USDA National Plant Germplasm System Reprint Icon - (Peer Reviewed Journal)
Araujo De Oliveira, A., Ledo, A., Polek, M., Krueger, R., Volk, G.M. 2021. Optimization of in vitro germination and cryopreservation conditions for preserving date palm pollen in the USDA National Plant Germplasm System. Plant Cell Tissue and Organ Culture. 144:223-232. https://doi.org/10.1007/s11240-020-01907-1.
Citrus shoot tip cryopreservation - (Book / Chapter)
Volk, G.M., Krueger, R., Moreland, B., Bonnart, R., Shepherd, A. 2020. Citrus shoot tip cryopreservation. In: Volk, G.M., editors. Training in Plant Genetic Resources: Cryopreservation of Clonal Propagules. Fort Collins, Colorado: Colorado State University. Available: https://colostate.pressbooks.pub/clonalcryopreservation/chapter/citrus-cryopreservation/.
Effect of four pollinating sources on nutritional properties if ‘Medjool’ date (Phoenix dactylifera L.) seeds Reprint Icon - (Peer Reviewed Journal)
Salomon-Torres, R., Sol-Uribe, J., Valdez-Salas, B., Garcia-Gonzalez, C., Krueger, R., Hernandez-Balbuena, D., Norzagaray-Plascenci, S., Garcia-Vazquez, J., Ortiz-Uribe, N. 2020. Effect of four pollinating sources on nutritional properties if ‘Medjool’ date (Phoenix dactylifera L.) seeds. Agriculture 2020, 10 (45). https://doi.org/10.3390/agriculture10020045.
Date Palm Biology and Utilization Reprint Icon - (Book / Chapter)
Krueger R.R. 2021. Date palm (Phoenix dactylifera L.) biology and utilization. In: Al-Khayri J.M., Jain S.M., Johnson D.V., editors. The Date Palm Genome, Vol. 1. Compendium of Plant Genomes. Springer, Cham. p. 3-28. https://doi.org/10.1007/978-3-030-73746-7_1_1.
Genome-wide association mapping of date palm fruit traits Reprint Icon - (Peer Reviewed Journal)
Hazzouri, K.M., Gros-Balthazard, M., Flowers, J.M., Copetti, D., Lemansour, A., Lebrun, M., Masmoudi, K., Ferrand, S., Dhar, M.I., Fresquez, S., Roas, U., Zhang, J., Talag, J., Lee, S., Kudrna, D., Powell, R.F., Leitch, I.J., Krueger, R., Wing, R., Amiri, K.M., Purugganan, M.D. 2019. Genome-wide association mapping of date palm fruit traits. Nature Communications. https://doi.org/10.1038/s41467-019-12604-9.
Novel subpopulations in date palm (Phoenix dactylifera) identified by population-wide organellar genome sequencing Reprint Icon - (Peer Reviewed Journal)
Mahamoud, Y.A., Mathew, L.S., Torres, M.F., Younuskunju, S., Krueger, R., Suhre, K., Malek, J. 2019. Novel subpopulations in date palm (Phoenix dactylifera) identified by population-wide organellar genome sequencing. BMC Genomics. 20:498. https://doi.org/10.1186/s12864-019-5834-7.
The so-called “leaf fleck” virus diseases of citrus - (Trade Journal)
Krueger, R. 2019. The so-called “leaf fleck” virus diseases of citrus. Subtropics newsletter. 19 Spring pages 5-11.
Nutritional Assessment, Phytochemical Composition and Antioxidant Analysis of the Pulp and Seed of Medjool Date Grown in Me´xico Reprint Icon - (Peer Reviewed Journal)
Salomon-Torres, R., Ortiz-Uribe, N., Valdez-Salas, B., Rosas-Gonzalez, N., Garcia-Gonzalez, C., Chavez, D., Cordova-Guerreo, I., Diaz-Rubio, L., Haro-Vazquez, M., Mijangos-Montiel, J., Morales-Maza, A., Mahadevan, P., Krueger, R. 2019. Nutritional Assessment, Phytochemical Composition and Antioxidant Analysis of the Pulp and Seed of Medjool Date Grown in Me´xico. PeerJ. 7. Article e6821. https://doi.org/10.7717/peerj.6821.
Date palm status and perspective in Mexico Reprint Icon - (Peer Reviewed Journal)
Ortiz-Uribe, N., Salmon-Torres, R., Krueger, R. 2019. Date palm status and perspective in Mexico. Agriculture. 9(3):46. https://doi.org/10.3390/agriculture9030046.
Phoenix phylogency, genetic diversity, distribution and population structure characterized in a world collection of date palm (Phoenix dactylifera) and its wild relatives Reprint Icon - (Peer Reviewed Journal)
Chaludavi, S.R., Young, P., Thompson, K., Barhi, B.A., Gajera, B., Naryanan, S., Krueger, R., Bennetzen, J.L. 2018. Phoenix phylogency, genetic diversity, distribution and population structure characterized in a world collection of date palm (Phoenix dactylifera) and its wild relatives. Plant Diversity. https://doi.org/10.1016/j.pld.2018.11.005.
The Citrus genus Reprint Icon - (Book / Chapter)
Ollitrault, P., Curk, F., Krueger, R. 2020. Citrus taxonomy. Book Chapter. https://doi.org/10.1016/B978-0-12-812163-4.00004-8.
Genus-wide sequencing supports a two-locus model for sex-determination in Phoenix Reprint Icon - (Peer Reviewed Journal)
Torres, M.F., Mathew, L.S., Ahmed, I., Al-Azwani, A., Krueger, R., Rivera, D., Mohamoud, Y.A., Suhre, K., Malek, J.A., Clark, A.G. 2018. Genus-wide sequencing supports a two-locus model for sex-determination in Phoenix. Nature Communications. 9:3969. doi: 10.1038/s41467-018-06375-y.
Implementation of citrus shoot tip cryopreservation in the USDA-ARS national plant germplasm system Reprint Icon - (Peer Reviewed Journal)
Volk, G.M., Jenderek, M.M., Walters, C.T., Bonnart, R.M., Shepherd, A.N., Skogerboe, D.M., Hall, B.D., Moreland, B.L., Krueger, R., Polek, M. 2019. Implementation of citrus shoot tip cryopreservation in the USDA-ARS national plant germplasm system. Acta Horticulturae. 1234:329-334. https://doi.org/10.17660/ActaHortic.2019.1234.43.
Implementation of Citrus Shoot Tip Cryopreservation in the USDA-ARS National Plant Germplasm System - (Abstract Only)
Volk, G.M., Jenderek, M.M., Walters, C.T., Bonnart, R.M., Shepherd, A.N., Skogerboe, D.M., Hall, B.D., Moreland, B.L., Krueger, R., Polek, M. 2018. Implementation of Citrus Shoot Tip Cryopreservation in the USDA-ARS National Plant Germplasm System. Meeting Abstract. 20.
Trialing apricots in Riverside, California: Identifying cultivars suitable for culture in a low-chill environment - (Peer Reviewed Journal)
Ledbetter, C.A., Krueger, R. 2017. Trialing apricots in Riverside, California: Identifying cultivars suitable for culture in a low-chill environment. Advances in Plants and Agriculture Journal. 7(6):281-287.
Citrus genebank collections: International collaboration opportunities between the U.S. and Russia Reprint Icon - (Peer Reviewed Journal)
Volk, G.M., Samarina, L.K., Kulyan, R., Vyacheslav, G., Malyarovskaya, V., Ryndin, A., Polek, M., Krueger, R., Stover, E.W. 2017. Citrus genebank collections: International collaboration opportunities between the U.S. and Russia. Genetic Resources and Crop Evolution. 65:433-447. https://doi.org/10.1007/s10722-017-0543-z.
Current statewide updates regarding the battle of the Asian Citrus Psyllid and Huanglongbing - (Trade Journal)
Rios, S.I., Krueger, R. 2017. Current statewide updates regarding the battle of the Asian Citrus Psyllid and Huanglongbing. CAPCA Adviser Magazine. 20(2):36-39.
Changes in anthocyanin production during domestication of citrus - (Peer Reviewed Journal)
Changes in anthocyanin production during domestication of Citrus Reprint Icon - (Peer Reviewed Journal)
Butelli, E., Garcia-Lor, A., Licciardello, C., Las Casas, G., Hill, L., Recupero, G.R., Keremane, M.L., Ramadugu, C., Krueger, R., Xu, Q., Deng, X., Fanciullino, A., Frocelicher, Y., Navarro, L., Martin, C. 2017. Changes in anthocyanin production during domestication of Citrus. Plant Physiology. 173:2225-2242. https://doi.org/10.1104/pp.16.01701.
Looking for something new? Check out background results of potential new cultivars for California - (Popular Publication)
Kahn, T., Siebert Wooldridge, T., Krueger, R., Greer, G., Polek, M., Vidalakis, G. 2016. Looking for something new? Check out background results of potential new cultivars for California. Citrograph. Kahn, T. 2017. Looking for something new? Citrograph. 8(2):72-89.
Protocol for introducing new and licensed citrus varieties into California. A Florida case study. - (Trade Journal)
Lavagi, I., Christiano, R., Greer, G., Grosser, J., Gmitter, F., Bowman, K.D., Stover, E.W., McCollum, T.G., Rosson, B., Sieburth, P., Polek, M., Krueger, R., Vidalakis, G. Protocol for introducing new and licensed citrus varieties into California. A Florida case study. Citrograph. 8(1):56-59.
Citrus cyopreservation: viability of diverse taxa and histological observations - (Peer Reviewed Journal)
Volk, G.M., Bonnart, R.M., Shepherd, A.N., Yin, Z., Lee, R.F., Polek, M., Krueger, R. 2016. Citrus cyopreservation: viability of diverse taxa and histological observations. Plant Cell Tissue and Organ Culture. doi:10.1007/211240-016-1112-4.
Date palm production and pest management challenges - (Book / Chapter)
Wakil, W., Faleiro, J. Romeno,Miller, T.A., Bedford, G.O., Krueger, R.R. 2015. Date palm production and pest management challenges. In: Wakli, W., Falerio, J.R., Miller, T.A., editors. Sustainability in Plant and Crop Protection. Berlin, Germany: Springer.com. p.1-11. doi: 10.1007/978-3-319-24397-9_1.
The value of citrus genebanking - (Trade Journal)
Volk, G.M., Lee, R.F., Krueger, R. 2016. The value of citrus genebanking. Citrograph. 7(4):42-44.
First report of citrus exocortis viroid and two citrus variants of the hop stunt viroid on lemon in Azerbaijan - (Peer Reviewed Journal)
Tan, S.H., Talibov, T., Krueger, R., Bodaghi, S., Dang, T., Chao, Y.Y., Greer, G., Vidalakis, G. 2016. First report of citrus exocortis viroid and two citrus variants of the hop stunt viroid on lemon in Azerbaijan. Plant Disease 100:2341. http://dx.doi.org/10.1094/PDIS-05-16-0761-PDN.
National Date Palm Germplasm Repository - (Abstract Only)
Krueger, R. 2015. National Date Palm Germplasm Repository. Plant and Animal Genome. 1:W560.
A map of single nucleotide polymorphisms of the date palm (Phoenix dactylifera) based on whole genome sequencing of 62 varieties Reprint Icon - (Peer Reviewed Journal)
Hazzouri, K.M., Flowers, J.M., Visser, J., Khierallah, H.M., Rosas, U., Pham, G.S., Meyer, R.S., Johansen, C.K., Markhand, G.S., Masmoudi, K., Haider, N., Kadri, N., Idahgdhour, Y., Malek, J., Thirkhill, D., Krueger, R., Zaid, A., Purugganan, M.D. 2015. A map of single nucleotide polymorphisms of the date palm (Phoenix dactylifera) based on whole genome sequencing of 62 varieties. Nature Communications. 6:8824.
Phytoplasmas and their insect vectors: Implications for date palm - (Book / Chapter)
Gurr,, G.M., Bertaccini, A., Gopurenko, D., Krueger, R., Alhudaib, K., Liu, J., Fletcher, M.J. 2015. Phytoplasmas and their insect vectors: Implications for date palm. In:Wakil, W., Faleiro, J.R., Miller, T.A, editors. Sustainable Pest Management in Date Palm: Current Status and Emerging Challenges. 1st edition. Cham, Switzerland:Springer International Publishing. p. 287-314. doi: 10.1007/978-319-24397-9_10.
A genome-wide survey of date palm cultivars supports two independent domestication events in Phoenix dactylifera Reprint Icon - (Peer Reviewed Journal)
Matthew, L.S., Seidel, M.A., George, B., Matthew, S., Spannagl, M., Haberer, G., Torres, M.F., Al-Dous, E.K., Al-Azwani, E.K., Diboun, I., Krueger, R., Mayer, K.F., Mohamoud, Y.A., Shure, K., Malek, J.A. 2015. A genome-wide survey of date palm cultivars supports two independent domestication events in Phoenix dactylifera. Genes Genomes Genetics. 5:1429-1438.
Cryopreservation of citrus for long-term conservation - (Peer Reviewed Journal)
Volk, G.M., Bonnart, R.M., Shepherd, A., Krueger, R., Lee, R.F. 2015. Cryopreservation of citrus for long-term conservation. Acta Horticulturae. 1065:187-191.
Date palm status and perspective in the United States - (Book / Chapter)
Krueger, R. 2015. Date palm status and perspective in the United States. In: Al-Khayri, J.M., Jain, S.M., Johnson, D.V., editors. Date palm genetic resources and utilization. Volume 1: Africa and the Americas. New York, NY: Springer. p. 447-485.
National Date Palm Germplasm Repository Reprint Icon - (Other)
Krueger, R. 2015. National Date Palm Germplasm Repository. Plant and Animal Genome. v. 1 p. 560.
Ancient population structure in Phoenix dactylifera revealed by genome-wide genotyping of geographically diverse date palm cultivars Reprint Icon - (Abstract Only)
Mathew, L.S., Seidel, M., Spannagl, M., Torres, M.F., Krueger, R., Haberer, G., Mayer, K., Shure, K., Mohamoud, Y.A., Malek, J. 2015. Ancient Population Structure in Phoenix dactylifera Revealed B Genome-Wide Genotyping of Geographically Diverse Date Palm Cultivars. Plant and Animal Genome. 1:W559.
Mission and modern citrus species diversity of Baja California Peninsula cases Reprint Icon - (Peer Reviewed Journal)
De Grenade, R., Krueger, R., Nabhan, G.P., Carino, O.M. 2014. Mission and modern citrus species diversity of Baja California Peninsula cases. Economic Botany. 63:263-282.
Carpological analysis of Phoenix (Arecaceae): contributions to the taxonomy and evolutionary history of the genus Reprint Icon - (Peer Reviewed Journal)
Rivera, D., Obon, C., Garcia-Arteaga, J., Egea, T., Alcaraz, F., Laguna, E., Carreno, E., Johnson, D., Krueger, R., Delgadillo, J., Rios, S. 2014. Carpological analysis of Phoenix (Arecaceae): contributions to the taxonomy and evolutionary history of the genus. Botanical Journal of the Linnean Society. 175:74-122.
Past and future of a century old Citrus Tristeza Virus collection: A California citrus germplasm tale - (Peer Reviewed Journal)
Wang, J., Bozan, O., Kwon, S., Rucker, T., Yokomi, R.K., Lee, R.F., Folimonova, S., Greer, G., Krueger, R., Bash, J., Vidalakis, G. 2013. Past and future of a century old Citrus Tristeza Virus collection: A California citrus germplasm tale . Frontiers in Microbiology. 4:366. DOI: 10.3389/fmicb.2013.00366.
Cryopreservation of citrus in the USDA-ARS national plant germplasm system collection - (Abstract Only)
Bonnart, R.M., Shepherd, A., Lee, R.F., Krueger, R., Volk, G.M. 2013. Cryopreservation of citrus in the USDA-ARS national plant germplasm system collection. Meeting Abstract. 2nd International Symposium on Plant Cryopreservation. p.62.
Screening a core collection of citrus genetic resources for resistance to Fusarium solani (Mart) Sacc Reprint Icon - (Peer Reviewed Journal)
Krueger, R., Bender, G.S. 2015. Screening a core collection of citrus genetic resources for resistance to Fusarium solani (Mart) Sacc. Acta Horticulture Proceedings. 1065:155-163.
Morphological and yield characteristics of 'Washington' navel orange and 'Tahiti' lime trees produced with buds from "floral" versus "vegetative" mother shoots Reprint Icon - (Peer Reviewed Journal)
Lovatt, C.J., Krueger, R. 2015. Morphological and yield characteristics of 'Washington' Navel Orange and 'Tahiti' Lime trees produced with buds from "floral" versus "vegetative" mother shoots. Acta Horticulture Proceedings. 1065:1831-1837.
Observations of graft compatibility between citrus ssp and related Aurantioideae taxa Reprint Icon - (Peer Reviewed Journal)
Siebert, T.J., Kahn, T.L., Krueger, R. 2015. Observations of graft compatibility between citrus ssp and related Aurantioideae taxa. Acta Horticulture Proceedings. 1065:173-179.
Historical evidence of the Spanish introduction of date palm (Phoenix dactylifera L., Arecaceae) into the Americas Reprint Icon - (Peer Reviewed Journal)
Rivera, D., Johnaon, D., Delgadillo, J., Carrillo, M.H., Obon, C., Krueger, R., Alcaraz, F., Rios, S., Carreno, E. 2012. Historical evidence of the Spanish introduction of date palm (Phoenix dactylifera L., Arecaceae) into the Americas. Genetics. 60:1433-1452.
PROCENTAJE DE PSILIDOS PORTADORES DE Canidatus Liberibacter asiaticus Y SU RELACION CON LA INCIDENCIA DE HLB EN CINCO HUERTAS COMERCIALES DE LIMON MEXICANO {Citrus aurantifolia (Christm) Swingle} EN EL ESTADO DE COLIMA MEXICO - (Proceedings)
Alanis-Matinez, E.I., Krueger, R., Cora-Valencia, E., Flores-Virgen, R., Robles-Garcia, P.L. 2012. PROCENTAJE DE PSILIDOS PORTADORES DE Canidatus Liberibacter asiaticus Y SU RELACION CON LA INCIDENCIA DE HLB EN CINCO HUERTAS COMERCIALES DE LIMON MEXICANO {Citrus aurantifolia (Christm) Swingle} EN EL ESTADO DE COLIMA MEXICO. 3° Simposio Nacional sobre investigación para el manejo del Psílido Asiático de los Cítricos y el Huanglongbing en México. p 51-58.
Past and future of a century old Citrus Tristeza virus collection: A California citrus germplasm tale - (Abstract Only)
Wang, J., Orhan, B., Kwon, S., Rucker, T., Yokomi, R.K., Lee, R.F., Folimonova, S.Y., Greer, G., Krueger, R., Bash, J., Vidalakis, G. 2013. Past and future of a century old Citrus Tristeza virus collection: A California citrus germplasm tale. Frontiers in Microbiology. Available:http://www.dx.doi.org/10.3389/fmicb.2013.00366.
Cryopreservation of citrus for long-term conservation - (Abstract Only)
Volk, G.M., Bonnart, R.M., Shepherd, A., Krueger, R., Lee, R.F. 2012. Cryopreservation of citrus for long-term conservation. XII International Citrus Congress, November 18 - 23, 2012, Valencia , Spain. Meeting Abstract. Paper No. S01O02.
Field ID guide to citrus relative hosts of Asian citrus psyllid & Huanglongbing - (Book / Chapter)
Siebert, T., Krueger, R., Karp, D., Kahn, T. 2013. In: Polek, M., Batkin, T. (eds.). Field ID guide to citrus relative hosts of Asian citrus psyllid & Huanglongbing. Visalia, CA: Citrus Research Board. p. 1-62.
Conservation of US citrus collections using cryopreservation - (Abstract Only)
Volk, G.M., Bonnart, R.M., Krueger, R., Lee, R.F. 2012. Conservation of US citrus collections using cryopreservation. Meeting Abstract. Available: http://ashs.org/abstracts/m/abstracts12/abstract_id_10287.html.
Date palm (Phoenix dactylifera)dispersal to the Americas: Historical evidence of the Spanish introduction Reprint Icon - (Peer Reviewed Journal)
Johnson, D.V., Rivera, D., Alcaraz, F., Carreno, E., Delgadillo, J., Carrillo, M.H., Obon, C., Krueger, R., Rios, S. 2013. Date palm (Phoenix dactylifera)dispersal to the Americas: Historical evidence of the Spanish introduction. Acta Horticulture Proceedings. 994:99-104.
Cryopreservation of Citrus shoot tips using micrografting for recovery - (Peer Reviewed Journal)
Volk, G.M., Bonnart, R.M., Krueger, R., Lee, R.F. 2012. Cryopreservation of Citrus shoot tips using micrografting for recovery. CryoLetters. 33(6):418-426.
De novo genome sequencing and comparative genomics of the date palm Phoenix dactylifera) - (Peer Reviewed Journal)
Al-Dous, E.K., George, B., Ai-Mahmoud, M.E., Al-Jaber, M.Y., Wang, H., Salameh, Y.M., Al-Azwani, E.K., Chaludavi, S., Pontaroli, A.C., Debarry, J., Arondel, V., Ohlrogge, J., Saie, I.J., Bennetzen, J.L., Krueger, R., Malek, J.A. 2011. De novo genome sequencing and comparative genomics of the date palm Phoenix dactylifera). Nature Biotechnology. 29:521-527.
Background and initial evaluations of recently introduced cultivars distributed by the Citrus Clonal Protection Program - (Trade Journal)
Siebert, T.J., Vidalakis, G., Krueger, R., Bash, J., Kahn, T. 2011. Background and initial evaluations of recently introduced cultivars distributed by the Citrus Clonal Protection Program. Citrograph. 2(5):28-35.
Date Palm Germplasm - (Book / Chapter)
Krueger, R. 2011. Date Palm Germplasm. In: Jain, S.M., Al-Khayri, J. M., Johnson, D. V., editors. Date Palm Biotechnology. 1st Edition. New York, NY: Springer. p. 313-336.
Good Bud, Bad Bud - (Proceedings)
Krueger, R., Lovatt, C.J. 2011. Good Bud, Bad Bud. Society of Citrus Nurserymen International Congress. CD.
Coconut, date and oil palm genomics - (Book / Chapter)
Meerow, A.W., Krueger, R., Singh, R., Ti, L.L., Ithnin, M., Li, L.O. 2012. Coconut, date and oil palm genomics. In: Schnell, R.J, Priyadarsham, P.M., editors. Genomics of Tree Crops. New York, NY: Springer. p. 299-351.
Recent Advances in Aurantioideae Taxonomy - (Proceedings)
Citrus quarantine, sanitary and certification programs in the USA. Prevention of introduction and distribution of citrus diseases - (Trade Journal)
Vidalakis, G., Dagraca, J., Dixon, W., Ferrin, D., Kesinger, M., Krueger, R., Lee, R.F., Olive, J., Polek, M., Sieburth, P., Williams, L., Wright, G. 2010. Citrus quarantine, sanitary and certification programs in the USA. Prevention of introduction and distribution of citrus diseases. 1. Citrus quarantine and introduction process. Citrograph. 1(3):26-35. 2. Highlights of new California citrus nursery regulations. Citrograph. 1(4):27-39.
Cryopreservation and Cryotherapy of Citrus Cultivars - (Abstract Only)
Volk, G.M., Krueger, R., Lee, R.F. 2010. Cryopreservation and Cryotherapy of Citrus Cultivars. Meeting Abstract National Citrus Research Coordination Symposium, Denver, Colorado, June 16-18, 2010.
Environmental, Physiological, and Cultural Injuries and Genetic Disorders - (Book / Chapter)
Register of new fruit and nut cultivars list 45 - (Peer Reviewed Journal)
Bowman, K.D., McCollum, T.G., Stover, E.W., Kahn, T.L., Roose, M.L., Krueger, R.R., Wright, G.C. 2010. Citrus. In: J.R. Clarke and C.E. Finn, eds. Register of new fruit and nut cultivars list 45. HortScience. 45:716-756.
Descriptions of new varieties recently distributed from the Citrus Clonal Protection Program - (Trade Journal)
Siebert, T., Krueger, R., Kahn, T.L., Bash, J.A., Vidalakis, G. 2010. Descriptions of new varieties recently distributed from the Citrus Clonal Protection Program. Citrograph. 1(2):20-26.
What phylogeny and gene genealogy analyses reveal about homoplasy in citrus microsatellite alleles - (Peer Reviewed Journal)
Barkley, N.L., Krueger, R., Federici, C.T., Roose, M.L. 2009. What phylogeny and gene genealogy analyses reveal about homoplasy in citrus microsatellite alleles. Plant Systematics and Evolution. 282:71-86.
Quarantine, sanitary and certification programs to prevent citrus quarantine pests in the USA - (Proceedings)
Vidalakis, G., Dagraca, J.V., Dixon, W.N., Kesinger, M., Krueger, R., Lee, R.F., Polek, M., Williams, L.L., Wright, G.C. 2009. Quarantine, sanitary and certification programs to prevent citrus quarnatine pests in the USA. Available: http://calcitrusquality.org/wp-content/uploads/2009/05/abstracts-resumenes. p. 2-3.
Phytosanitary Status of California Citrus - (Proceedings)
Relationships Between Oases and Germplasm Collections - (Proceedings)
Nuevas Variedades y Patrones de Citricos/New Citrus Varieties and Rootstocks - (Proceedings)
Krueger, R. 2008. Nuevas Variedades y Patrones de Citricos/New Citrus Varieties and Rootstocks. Memorias, XII Simposio Internacional de Citricultura.
Stubborn Disease of Citrus in California - (Popular Publication)
Rangel, B., Krueger, R. 2007. Stubborn Disease of Citrus in California, Subtropics newsletter. 5(4):2-5, 2007, Trade Publication.p
THE DATE PALM (PHOENIX DACTYLIFERA L.); OVERVIEW OF BIOLOGY, USES, VARIETIES, AND GENETICS - (Peer Reviewed Journal)
Chao, C.T., Krueger, R. 2007. The date palm (phoenix dactylifera l.); overview of biology, uses, varieties, and genetics. HortScience 42:1077-1082.
Fruit and Nut Genebanks in the US National Plant Germplasm System - (Popular Publication)
Postman, J.D., Hummer, K.E., Stover, E.W., Krueger, R., Forsline, P.L., Grauke, L.J., Zee, F.T., Ayala Silva, T., Irish, B.M. 2007. Fruit and Nut Genebanks in the US National Plant Germplasm System. Pomona.
FRUIT AND NUT GENEBANKS IN THE US NATIONAL PLANT GERMPLASM SYSTEM - (Peer Reviewed Journal)
Postman, J.D., Hummer, K.E., Stover, E.W., Krueger, R., Forsline, P.L., Grauke, L.J., Zee, F.T., Ayala Silva, T., Irish, B.M. 2006. Fruit and nut genebanks in the us national plant germplasm system. HortScience. 41(5):1188-1194.
ASSESSING GENETIC DIVERSITY AND POPULATION STRUCTURE IN A CITRUS GERMPLASM COLLECTION UTILIZING SIMPLE SEQUENCE REPEAT MARKERS (SSRS) - (Peer Reviewed Journal)
Barkley, N.L., Roose, M.L., Krueger, R., Frederici, C.T. 2006. Assessing genetic diversity and population structure in a citrus germplasm collection utilizing simple sequence repeat markers (ssrs). Theoretical and Applied Genetics. 112:1519-1531.
HISTORY AND CURRENT STATUS OF DATE PALM (PHOENIX DACTYLIFERA L.) RESEARCH IN THE USA - (Proceedings)
Krueger, R. 2007. History and current status of date palm (phoenix dactylifera l.) research in the usa. Acta Horticulturae.
NUTRITIONAL DYNAMICS OF DATE PALM (PHOENIX DACTYLIFERA L.) - (Proceedings)
Krueger, R. 2007. Nutritional dynamics of date palm (phoenix dactylifera l.). Acta Horticulturae.
DATE PALM - (Book / Chapter)
Chao, C.T., Krueger, R. 2007. Date palm. Encyclopedia of Fruits and Nuts. Edited by J. Janick. Pages 138-151
OBTAINING NEW CITRUS VARIETIES/OBSTENCION DE NUEVAS VARIEDADES DE CITRICOS - (Proceedings)
Krueger, R. 2005. Obtaining new citrus varieties/obstencion de nuevas variedades de citricos. Memorias, IX Simposio Internacional de Citricultura: Sanidad y.
MANAGEMENT OF CITRUS GERMPLASM/MANEJO DE GERMOPLASMA - (Proceedings)
Krueger, R. 2005. Management of citrus germplasm/manejo de germoplasma. Memorias, IX Simposio Internacional de Citricultura: Sanidad y.
DWEET MOTTLE VIRUS AND CITRUS LEAF BLOTCH VIRUS - (Popular Publication)
Krueger, R., Lee, R.F., Bash, J.A. 2005. Dweet mottle virus and citrus leaf blotch virus. Subtropics Newsletter V3 No. 1, Pages 7-9.
DWEET MOTTLE VIRUS AND CITRUS LEAF BLOTCH VIRUS IN CALIFORNIA - (Other)
Krueger, R., Bash, J.A., Rangel, B., Lee, R.F. 2005. Dweet mottle virus and citrus leaf virus in california. International Organization of Citrus Virologists Newsletter.
CURRENT RESEARCH ON SPIROPLASMA CITRI IN CALIFORNIA - (Abstract Only)
Rangel, B., Krueger, R., Lee, R.F. 2007. Current research on spiroplasma citri in california. International Organization of Citrus Virologists Abstracts, Page 88.
PHYTOSANITARY STATUS OF CALIFORNIA CITRUS - (Abstract Only)
Krueger, R., Bash, J., Lee, R.F. 2007. Phytosanitary status of california citrus. International Organization of Citrus Virologists Abstracts, Page 102.
Cooperation in the Conservation of Citrus Genetic Resources: Riverside, California - (Proceedings)
Kahn, T.L., Bier, O.J., Semancik, J.S., Bash, J.A., Roose, M.L., Krueger, R. 2007. Cooperation in the Conservation of Citrus Genetic Resources: Riverside, California. International Society of Citriculture Proceedings 174-177.
Stubborn: Genetic Diversity of Spiroplasma Citri in California - (Proceedings)
Krueger, R. 2007. Stubborn: Genetic Diversity of Spiroplasma Citri in California. International Society of Citriculture Proceedings 806-809
Diversity and Phylogenetic Relationships of the Citrus Varieties Collection - (Proceedings)
Barkley, N.A., Roose, M.L., Krueger, R. 2007. Diversity and Phylogenetic Relationships of the Citrus Varieties Collection. International Society of Citriculture Proceedings 178-182
GENETIC ANALYSIS OF EGYPTIAN DATE (PHOENIX DACTYLIFERA L.) ACCESSIONS USING AFLP MARKERS - (Peer Reviewed Journal)
El-Assar, A.M., Krueger, R., Devanand, P.S., Chao, C.T. 2005. Genetic analysis of egyptian date (phoenix dactylifera l.) accessions using aflp markers. Genetic Resources and Crop Evolution.
USE OF MOLECULAR MARKERS IN THE MANAGEMENT OF CITRUS GERMPLASM RESOURCES - (Peer Reviewed Journal)
Krueger, R., Roose, M.L. 2003. Use of molecular markers in the management of citrus germplasm resources. Journal of the American Society for Horticultural Science. 128:827-837.
BIOFLAVONOID PROFILE OF EXOTIC CITRUS SPECIES - (Proceedings)
Botero-Omary, M., Krueger, R., Li, Y. 2004. Bioflavonoid profile of exotic citrus species. Acta Horticulturae 629: 449-455
STUBBORN: GENETIC DIVERSITY OF SPIROPLASMA CITRI IN CALIFORNIA - (Abstract Only)
Rangel, B., Krueger, R. 2004. Stubborn: genetic diversity of spiroplasma citri in california. International Society of Citriculture Abstracts, p. 95
DIVERSITY AND PHYLOGENETIC RELATIONSHIPS OF THE CITRUS VARIETY COLLECTION - (Abstract Only)
Barkley, N.A., Roose, M.L., Krueger, R. 2004. Diversity and phylogenetic relationships of the citrus variety collection. International Society of Citriculture Abstracts, 10th International Congress, p. 83
CITRUS GERMPLASM RESOURCES AND THEIR USES - (Book / Chapter)
Krueger, R., Navarro, L. 2007. Citrus germplasm resources and their uses. Book Chapter. Pp 45-140: Khan IA (ed) Citrus Genetics, Breeding and Biotechnology. Published by CABI
COOPERATION IN THE CONSERVATION OF CITRUS GENETIC RESOURCES: RIVERSIDE, CALIFORNIA - (Abstract Only)
Kahn, T.L., Bier, O.J., Roose, M.L., Semancik, J.S., Bash, J.A., Krueger, R. 2004. Cooperation in the conservation of citrus genetic resources: riverside, california. International Society of Citriculture Abstracts, 10th International Congress, p. 83
GENETIC ANALYSES OF DATE PALMS (PHOENIX DACTYLIFERA L.) FROM EGYPT USING FLUORESCENT - AFLP MARKERS - (Abstract Only)
El-Assar, A.M., Krueger, R., Devanand, P.S., Chao, T.C. 2003. Genetic analyses of date palms (Phoenix dactylifera l.) from Egypt using fluorescent - aflp markers. Hortscience. 38:734.
DROUGHT TOLERANCE OF 27 CITRUS ROOTSTOCKS GROWING IN A NURSERY - (Abstract Only)
Curti-Diaz, S., Guerra-Hernandez, C., Maza-Lopez, I., Loredo-Salazar, R., Sanchez-Gonzalez, A., Krueger, R. 2004. Drought tolerance of 27 citrus rootstocks growing in a nursery. International Society of Citriculture Abstracts. p145.
FLOODING TOLERANCE OF 25 CITRUS ROOTSTOCKS GROWING IN A NURSERY - (Abstract Only)
Curti-Diaz, S., Maza-Lopez, I., Guerra-Hernandez, C., Loredo-Salazar, R., Sanchez-Gonzalez, A., Krueger, R. 2004. Flooding tolerance of 25 citrus rootstocks growing in a nursery. International Society of Citriculture Abstracts. p43.
FRUIT: CITRUS FRUIT - (Book / Chapter)
KRUEGER, R. FRUIT: CITRUS FRUIT. BOOK CHAPTER. 2003.
FRUIT: DATES - (Book / Chapter)
KRUEGER, R. FRUIT: DATES. BOOK CHAPTER. 2003.
BIOFLAVONOID PROFILE IN EXOTIC CITRUS SPECIES - (Abstract Only)
BOTERO OMARY, M., KRUEGER, R., LI, Y., DAVID, P. BIOFLAVONOID PROFILE IN EXOTIC CITRUS SPECIES. ABSTRACT OF INTERNATIONAL HORTICULTURAL CONGRESS. 2002.
NATIONAL CLONAL GERMPLASM REPOSITORY FOR CITRUS AND DATES: BROWN CITRUS APHID IN YUCATAN, MEXICO - (Other)
KRUEGER, R. NATIONAL CLONAL GERMPLASM REPOSITORY FOR CITRUS AND DATES: BROWN CITRUS APHID IN YUCATAN, MEXICO. INTERNATIONAL ORGANIZATION OF CITRUS VIROLOGISTS NEWSLETTER. 2001.
THE CLEMENTINE MANDARIN - (Trade Journal)
GUMPF, D.J., KRUEGER, R., BASH, J.A. THE CLEMENTINE MANDARIN. CALIFORNIA CITRUS MUTUAL JOURNAL. 2001.
THE CALIFORNIA CITRUS CERTIFICATION PROGRAM SUPPORTS THE INDUSTRY - (Proceedings)
KRUEGER, R. THE CALIFORNIA CITRUS CERTIFICATION PROGRAM SUPPORTS THE INDUSTRY. SOCIETY OF CITRUS NURSERYMEN INTERNATIONAL CONGRESS. 2001.
DATE PALM GERMPLASM: OVERVIEW AND UTILIZATION IN THE USA - (Proceedings)
KRUEGER, R. DATE PALM GERMPLASM: OVERVIEW AND UTILIZATION IN THE USA. PROCEEDINGS INTERNATIONAL CONFERENCE ON DATE PALMS. 2001.
SHOOT-TIP MICRO-GRAFTING FOR RESCUE OR THERAPY OF FIELD-GROWN CITRUS GERMPLASM ACCESSIONS - (Proceedings)
KRUEGER, R., BALLANCE, P.M., KAHN, T.L., BIER, O.J., GUMPF, D.J., BASH, J.A. SHOOT-TIP MICRO-GRAFTING FOR RESCUE OR THERAPY OF FIELD-GROWN CITRUS GERMPLASM ACCESSIONS. INTERNATIONAL SOCIETY OF CITRICULTURE PROCEEDINGS. 2003.
THE UC RIVERSIDE CITRUS VARIETY COLLECTION: CORNERSTONE OF THE CALIFORNIA CITRUS GENETIC RESOURCES CONSERVATION AND UTILIZATION SYSTEM - (Proceedings)
KAHN, T.L., BIER, O.J., ROOSE, M., KRUEGER, R., GUMPF, D.J. THE UC RIVERSIDE CITRUS VARIETY COLLECTION: CORNERSTONE OF THE CALIFORNIA CITRUS GENETIC RESOURCES CONSERVATION AND UTILIZATION SYSTEM. INTERNATIONAL SOCIETY OF CITRICULTURE PROCEEDINGS. 2003.
ASSESSING GENETIC DIVERSITY IN CITRUS BY UTILIZING MOLECULAR MARKERS - (Proceedings)
BARKLEY, N.A., ROOSE, M.L., KRUEGER, R. ASSESSING GENETIC DIVERSITY IN CITRUS BY UTILIZING MOLECULAR MARKERS. INTERNATIONAL SOCIETY OF CITRICULTURE PROCEEDINGS. 2003.
USE OF MOLECULAR MARKERS IN MANAGEMENT OF CITRUS GERMPLASM RESOURCES - (Proceedings)
KRUEGER, R., GULSEN, O., ROOSE, M.L. USE OF MOLECULAR MARKERS IN MANAGEMENT OF CITRUS GERMPLASM RESOURCES. INTERNATIONAL SOCIETY OF CITRICULTURE PROCEEDINGS. 2003.
USE OF MOLECULAR MARKERS IN MANAGEMENT OF CITRUS GERMPLASM RESOURCES - (Abstract Only)
KRUEGER, R., GULSEN, O., ROOSE, M.L. USE OF MOLECULAR MARKERS IN MANAGEMENT OF CITRUS GERMPLASM RESOURCES. INTERNATIONAL SOCIETY OF CITRICULTURE ABSTRACTS. 2000.
ASSESSING THE GENETIC DIVERSITY OF CITRUS BY UTILIZING MOLECULAR MARKERS - (Abstract Only)
BARKLEY, N., ROOSE, M., KRUEGER, R. ASSESSING THE GENETIC DIVERSITY OF CITRUS BY UTILIZING MOLECULAR MARKERS. INTERNATIONAL SOCIETY OF CITRICULTURE ABSTRACTS. 2000.
SHOOT-TIP MICROGRAFTING FOR RESCUE OR THERAPY OF FIELD-GROWN CITRUS GERMPLASM ACCESSIONS - (Abstract Only)
KRUEGER, R., KAHN, T.L., GUMPF, D.J., BALLANCE, P.M., BIER, O.J., BASH, J.A. SHOOT-TIP MICROGRAFTING FOR RESCUE OR THERAPY OF FIELD-GROWN CITRUS GERMLASM ACCESSIONS. INTERNATIONAL SOCIETY OF CITRICULTURE ABSTRACTS. 2000.
THE UC RIVERSIDE CITRUS VARIETY COLLECTION, CORNERSTONE OF THE CALIFORNIA CITRUS GENETIC RESOURCES CONSERVATION AND UTILIZATION SYSTEM - (Abstract Only)
KAHN, T.L., BIER, O.J., KRUEGER, R., ROOSE, M.L., GUMPF, D.J. THE UC RIVERSIDE CITRUS VARIETY COLLECTION, CORNERSTONE OF THE CALIFORNIA CITRUS GENETIC RESOURCES CONSERVATION AND UTILIZATION SYSTEM. INTERNATIONAL SOCIETY OF CITRICULTURE ABSTRACTS. 2000.
CITRUS GENETIC RESOURCES IN CALIFORNIA: ANALYSIS AND RECOMMENDATIONS FOR LONG-TERM CONSERVATION - (Other)
KAHN, T.L., KRUEGER, R., GUMPF, D.J., ROOSE, M.L., ARPAIA, M., BATKIN, T.A., BASH, J.A., BIER, O.J., CLEGG, M.T., COCKERHAM, S.T. CITRUS GENETIC RESOURCES IN CALIFORNIA: ANALYSIS AND RECOMMENDATIONS FOR LONG-TERM CONSERVATION. REPORT OF THE CITRUS GENETIC RESOURCES ASSESSMENT TASK FORCE. 2001.
NATIONAL CLONAL REPOSITORY AT RIVERSIDE, CALIFORNIA, PROTECTS AND PROVIDES UNIQUE CITRUS AND DATE PALM COLLECTION - (Popular Publication)
KRUEGER, R. NATIONAL CLONAL REPOSITORY AT RIVERSIDE, CALIFORNIA, PROTECTS AND PROVIDES UNIQUE CITRUS AND DATE PALM COLLECTION. DIVERSITY PLANT GENETIC RESOURCES JOURNAL. 1999.
PHYLOGENIC RELATIONSHIPS AMONG SELECTED CITRUS GERMPLASM ACCESSIONS REVEALED BY INTER-SIMPLE SEQENCE REPEAT (ISSR) MARKERS - (Peer Reviewed Journal)
FANG, D., KRUEGER, R., ROOSE, M.L. PHYLOGENIC RELATIONSHIPS AMONG SELECTED CITRUS GERMPLASM ACCESSIONS REVEALED BY INTER-SIMPLE SEQENCE REPEAT (ISSR) MARKERS. JOURNAL OF AMERICAN SOCIETY OF HORTICULTURAL SCIENCES. 1998.
CITRUS GERMPLASM CHARACTERISATION BY PHENOTYPE AND MOECULAR MARKERS - (Proceedings)
GMITTER, F.G., KRUEGER, R., ROOSE, M.L. CITRUS GERMPLASM CHARACTERISATION BY PHENOTYPE AND MOECULAR MARKERS. CITRUS GERMPLASM CONSERVATION WORKSHOP PROCEEDINGS. 1999.
THE CALIFORNIA CITRUS CERTIFICATION PROGRAM - (Proceedings)
Krueger, R. 2000. The california citrus certification program. Society of Citrus Nurserymen, 5th International Congress, pp. 303-305
FINGERPRINTING TRIFOLIATE ORANGE GERMPLASM ACCESSIONS WITH ISOZYMES, RFLPS, AND INTER-SIMPLE SEQUENCE REPEAT MARKERS - (Peer Reviewed Journal)
FANG, D., ROOSE, M.L., KRUEGER, R., FEDERICI, C.T. FINGERPRINTING TRIFOLIATE ORANGE GERMPLASM ACCESSIONS WITH ISOZYMES, RFLPS,AND INTER-SIMPLE SEQUENCE REPEAT MARKERS. JOURNAL OF THEORETICAL AND APPLIED GENETICS. 1997.
DATE - (Book / Chapter)
KRUEGER, R. DATE. BOOK CHAPTER. 1997.
AN ESTIMATION OF THE ANNUAL COST TO MAINTAIN A CITRUS GERMPLASM REPOSITORY - (Proceedings)
KRUEGER, R. AN ESTIMATION OF THE ANNUAL COST TO MAINTAIN A CITRUS GERMPLASM REPOSITORY. INTERNATIONAL SOCIETY OF CITRICULTURE PROCEEDINGS. 1998.
MYSTIQUE OF THE DATE PALM LINKS OLD AND NEW WORLDS - (Popular Publication)
KRUEGER, R. MYSTIQUE OF THE DATE PALM LINKS OLD AND NEW WORLDS. DIVERSITY PLANT GENETIC RESOURCES JOURNAL. 1995.
ARS News Articles