Research Project: Disease Management in Small Fruit and Nursery Crops Based on Knowledge of Pathogen Diversity, Biology, and Environmental Effects

Location: Horticultural Crops Disease and Pest Management Research Unit

Publications (Clicking on the reprint icon will take you to the publication reprint.)

A disease love triangle: water, rhodies, and root rot - (Trade Journal)
Weiland, J.E., Scagel, C., Grunwald, N., Davis, A., Beck, B., and Mitchell, J. 2024. A disease love triangle: water, rhodies, and root rot. Digger 68 (11): 41-45.

Host status of ornamental shade trees and shrubs to plant parasitic nematodes - (Peer Reviewed Journal)
Benedetti, T., Weiland, G.E., Zasada, I.A. 2024. Host status of ornamental shade trees and shrubs to plant parasitic nematodes. Journal of Nematology. 56(1). Article e2024-1. https://doi.org/10.2478/jofnem-2024-0024.

WATTS UP! Exploring soil-applied pulse electric field as an alternative to Methyl Bromide - (Trade Journal)
Moretti, M.L., Benedetti, T., Medeiros, P., Crisp, J., McComb, J., Weiland, J.E., Zasada, I.A. 2024. WATTS UP! Exploring soil-applied pulse electric field as an alternative to Methyl Bromide. Crops and Soils. 57:16-19. https://doi.org/10.1002/crso.20373.

Assessment of the distribution of dagger nematodes and associated nematode transmitted viruses in Pacific Northwest small fruit crops - (Peer Reviewed Journal)
Olaya, C., Reinhold Aboosaie, L.A., Platt, M., Peetz, A.B., Donahue, K.M., Zasada, I.A. 2024. Assessment of the distribution of dagger nematodes and associated nematode transmitted viruses in Pacific Northwest small fruit crops. Plant Health Progress. https://doi.org/10.1094/PHP-04-24-0034-RS.

Cultivars and production environments shape shoot endophyte profiles of boxwood with different blight resistance - (Peer Reviewed Journal)
Li, X., Weiland, J.E., Ohkura, M., Luster, D.G., Daughtrey, M.L., Gouker, F.E., Chen, G., Kong, P., and Hong, C. 2024. Cultivars and production environments shape shoot endophyte profiles of boxwood with different blight resistance. Phytofrontiers 4: 602-615. https://doi.org/10.1094/PHYTOFR-03-24-0023-R

The effect of boxwood leaf volatiles on conidial germination of Calonectria pseudonaviculata, the causal agent of boxwood blight - (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 - (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.

First report of Meloidogyne hapla on hemp (Cannabis sativa) in Oregon - (Peer Reviewed Journal)
Nunez-Rodriguez, L., Rivedal, H.M., Peetz, A.B., Ocamb, C.M., Zasada, I.A. 2024. First report of Meloidogyne hapla on hemp (Cannabis sativa) in Oregon. Journal of Nematology. 56(1). Article e2024-1. https://doi.org/10.2478/jofnem-2024-0008.

A shocking treatment - (Trade Journal)
Moretti, M.L., Zasada, I.A., Weiland, J.E., Benedetti, T., Crisp, J. 2024. A shocking treatment. Digger. 68(1):33-36.

A canister assay for evaluating host status of potato to Meloidogyne chitwoodi - (Peer Reviewed Journal)
Soule, M.L., Kitner, M.L., Studebaker, G.W., Feldman, M.J., Sathuvalli, V., Zasada, I.A. 2023. A canister assay for evaluating host status of potato to Meloidogyne chitwoodi. American Journal of Potato Research. 100:479-478. https://doi.org/10.1007/s12230-023-09936-0.

Unraveling microbial endosymbiosis dynamics in plant-parasitic nematodes with a genome skimming strategy - (Peer Reviewed Journal)
Wasala, S., Hesse, C.N., Wram, C.L., Howe, D.K., Zasada, I.A., Denver, D.R. 2023. Unraveling microbial endosymbiosis dynamics in plant-parasitic nematodes with a genome skimming strategy. Journal of Applied Microbiology. 3(4):1229-1248. https://doi.org/10.3390/applmicrobiol3040085.

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.

Occurence and distribution of Globodera SPP. in Bolivia - (Peer Reviewed Journal)
Sainz, C., Villarroe, C.L., Zasada, I.A., Dandurand, L.M., Kuhl, J., Silvestre, R., Hesse, C.N., Peetz, A.B., Benedetti, T., Baker, H.V., Subbotin, S.A. 2023. Occurence and distribution of Globodera SPP. in Bolivia. Nematropica. 53:82-88.

The virome of babaco (Vasconcellea x heilbornii) expands to include new members of the Rhabdoviridae and Bromoviridae - (Peer Reviewed Journal)
Reyes-Proaño, E., Cañada-Bautista, M., Alvarez-Quinto, R., Mollov, D.S., Muñoz, V., Sánchez, T., Quito-Avila, D. 2023. The virome of babaco (Vasconcellea x heilbornii) expands to include new members of the Rhabdoviridae and Bromoviridae. Viruses. 15(6):1380. https://doi.org/10.3390/v15061380.

Genomic analyses of a widespread blueberry virus in the United States - (Peer Reviewed Journal)
Stainton, D., Villamor, D., Sierra Mejia, A., Srivastava, A., Mollov, D.S., Martin, R., Tzanetakis, I. 2023. Genomic analyses of a widespread blueberry virus in the United States. Virus Research. 333. Article 199143. https://doi.org/10.1016/j.virusres.2023.199143.

Greater rate of nitrogen fertilizer application increases root rot caused by Phytophthora cinnamomi and P. plurivora in container-grown rhododendron - (Peer Reviewed Journal)
Mestas, A., Weiland, J.E., Scagel, C.F., Davis, A.E., Mitchell, J.N. and 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. 72: 1604-1614. https://doi.org/10.1111/ppa.13776

The effect of host volatiles on the sporulation and germination of Calonectria pseudonaviculata, the causal agent of boxwood blight - (Abstract Only)
Ohkura, M., Scagel, C.F., Weiland, G.E. 2023. The effect of host volatiles on the sporulation and germination of Calonectria pseudonaviculata, the causal agent of boxwood blight . Meeting Abstract. 113: S3.133. https://apsjournals.apsnet.org/doi/epdf/10.1094/PHYTO-12-23-0507-R.

Why is Phytophthora so annoying?! A series of preliminary experiments to understand inconsistencies in inoculum production - (Abstract Only)
Weiland, J.E. 2023. Why is Phytophthora so annoying?! A series of preliminary experiments to understand inconsistencies in inoculum production. Phytopathology 113: S3.183.

Boxwood (Buxus spp.) - Boxwood Blight - (Other)
Pscheidt, J.W., Ohkura, M., Weiland, G.E. 2023. Boxwood (Buxus spp.) - Boxwood Blight. Pacific Northwest Plant Disease Management Handbook. [online].Corvallis, OR: Oregon State University.

Papaya ‘sticky’ disease caused by virus ‘couples’: a challenge for disease detection and management - (Peer Reviewed Journal)
Quito-Avila, D., Reyes-Proaño, E., Cañada, G., Cornejo-Franco, F., Alvarez-Quinto, R., Moreira, L., Grinstead, S.C., Mollov, D.S., Karasev, A. 2023. Papaya ‘sticky’ disease caused by virus ‘couples’: a challenge for disease detection and management. Plant Disease. 107(6):1649-1663. https://doi.org/10.1094/PDIS-11-22-2565-FE.

Virus classification based on in-depth sequence analyses and development of demarcation criteria using the Betaflexiviridae as a case study - (Peer Reviewed Journal)
Silva, J., Melo, F., Elena, S., Candresse, T., Sabanadzovic, S., Tzanetakis, I., Blouin, A., Villamor, D., Mollov, D.S., Constable, F., Cao, M., Saldarelli, P., Cho, W., Nagata, T. 2022. Virus classification based on in-depth sequence analyses and development of demarcation criteria using the Betaflexiviridae as a case study. Journal of General Virology. 103(11). Article 001806. https://doi.org/10.1099/jgv.0.001806.

A call to APS membership for equal representation in nominations for APS Awards - (Other)
Weiland, J.E., Everhart, S., Smart, C.D., Newbold, C. 2022. A call to APS membership for equal representation in nominations for APS Awards. Phytopathology News. 56(10):2-4.

Don't get burned by charcoal rot - (Trade Journal)
Weiland, J.E. 2022. Don't get burned by charcoal rot. The Digger. 66(11):41-44.

USDA-ARS Boxwood blight research in Oregon - (Other)
Weiland, J.E. 2022. USDA-ARS Boxwood blight research in Oregon. Youtube. https://www.youtube.com/watch?v=m75VEJQ00LE.