Research Project: Disease Management and Improved Detection Systems for Control of Pathogens of Vegetables and Strawberries

Location: Crop Improvement and Protection Research

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

How controls improve diagnostic assay performance: Hitchhikers guide to diagnostic assay controls - (Peer Reviewed Journal)
Martin, F.N., Batuman, O., Luster, D.G., Miles, T.D., Rivera, Y., Sharma, P., Geiser, D., Cardwell, K. 2025. How controls improve diagnostic assay performance: Hitchhikers guide to diagnostic assay controls. PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-10-24-0118-FI.

Strawberry fruit yield forecasting using image-based time-series plant phenological stages sequences - (Peer Reviewed Journal)
De Oca, A.M., Magney, T., Vougioukas, S.G., Racano, D., Torres-Orozco, A., Fennimore, S.A., Martin, F.N., Earles, M. 2025. Strawberry fruit yield forecasting using image-based time-series plant phenological stages sequences. Computers and Electronics in Agriculture. 237. Article 110516. https://doi.org/10.1016/j.compag.2025.110516.

Differential infection dynamics of Verticillium dahliae in dicotyledonous (cotton) versus monocotyledonous (maize) host systems - (Peer Reviewed Journal)
Liu, X.X., Hao, S.J., Ji, X.B., Wang, J., Klosterman, S.J., Dai, X., Subbarao, K.V., Liang, W., Zhang, D.D., Chen, J.Y. 2025. Differential infection dynamics of Verticillium dahliae in dicotyledonous (cotton) versus monocotyledonous (maize) host systems. Plant Disease. https://doi.org/10.1094/PDIS-01-25-0114-SC.

Verticillium dahliae secretory aspartyl protease VdSAP targets cotton GhARP to modulate plant defence and defoliation - (Peer Reviewed Journal)
Li, H., Gai, X., Xu, X., Qin, J., Klosterman, S.J., Subbarao, K.V., Shang, W., Hu, X. 2025. Verticillium dahliae secretory aspartyl protease VdSAP targets cotton GhARP to modulate plant defence and defoliation. Molecular Plant Pathology. 26(4). Article e70085. https://doi.org/10.1111/mpp.70085.

Downy mildew epidemiology and spinach seed treatment - (Abstract Only)
Klosterman, S.J. 2025. Downy mildew epidemiology and spinach seed treatment. California Leafy Greens Research Program Annual Meeting, March 25, 2025, Pismo Beach, California.

Validation of a rapid, high throughput isothermal recombinase polymerase amplification screening assay for Phytophthora ramorum - (Peer Reviewed Journal)
Neugebauer, K.A., Davenport, B., Harmon, C., Byrne, J.M., Miles, L., Snover-Clift, K., Rooney-Latham, S., Martin, F.N., Luster, D.G., Miles, T.D. 2025. Validation of a rapid, high throughput isothermal recombinase polymerase amplification screening assay for Phytophthora ramorum. PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-10-24-0114-FI.

Species-specific primers derived from comparative genomics for PCR detection of Verticillium species - (Peer Reviewed Journal)
Wang, J., Wang, Q., Anchieta, A.G., Chen, R., Dai, X., Klosterman, S.J., Chen, J.Y., Subbarao, K.V., Zhang, D.D. 2025. Species-specific primers derived from comparative genomics for PCR detection of Verticillium species. Plant Disease. https://doi.org/10.1094/PDIS-10-24-2227-RE.

Development and application of species-specific qPCR and RPA assays for the lettuce wilt pathogen, Globisporangium uncinulatum (syn. Pythium uncinulatum) - (Peer Reviewed Journal)

Multiplexed real-time and digital PCR tools to differentiate clades of Plasmopara viticola causing downy mildew in grapes - (Peer Reviewed Journal)
Heger, L., Sharma, N., McCoy, A.G., Martin, F.N., Miles, L.A., Chilvers, M.I., Naegele, R.P., Miles, T.D. 2025. Multiplexed real-time and digital PCR tools to differentiate clades of Plasmopara viticola causing downy mildew in grapes. Plant Disease. https://doi.org/10.1094/PDIS-01-25-0173-SR.

Evaluation of spinach cultivars for downy mildew resistance in Yuma, AZ, 2024 - (Peer Reviewed Journal)
Zima, H.V., Clark, K.J., Poudel-Ward, B., Slinski, S.L., Klosterman, S.J., Correll, J.C. 2025. Evaluation of spinach cultivars for downy mildew resistance in Yuma, AZ, 2024. Plant Health Progress. https://doi.org/10.1094/PHP-12-24-0142-PDMR.

Contrasting roles of plant GATA21/22 transcriptional regulators in defense against fungal and bacterial pathogens - (Peer Reviewed Journal)
Dhar, N., Anchieta, A.G., Arnold, I., Eriksen, R.L., Subbarao, K.V., Raina, R., Klosterman, S.J. 2025. Contrasting roles of plant GATA21/22 transcriptional regulators in defense against fungal and bacterial pathogens. Molecular Plant-Microbe Interactions. https://doi.org/10.1094/MPMI-08-24-0095-SC.

Macrophomina phaseolina expresses distinct waves of effectors and carbohydrate active enzymes during early (biotrophic), middle (necrotrophic), and late (saprotrophic) stages of infection - (Abstract Only)
Dilla-Ermita, J., Pennerman, K., Gutierrez, O., Jimenez, Z.D., Ramos, G., Infante, S., Goldman, P.H., Henry, P.M. 2024. Macrophomina phaseolina expresses distinct waves of effectors and carbohydrate active enzymes during early (biotrophic), middle (necrotrophic), and late (saprotrophic) stages of infection. Fungal Genetics Conference, March 12-17, 2024, Pacific Grove, California.

The 24-kDa subunit of mitochondrial complex I regulates growth, microsclerotia development, stress tolerance, and virulence in Verticillium dahliae - (Peer Reviewed Journal)
Li, H., Liu, Y., Wang, D., Wang, Y.H., Sheng, R.C., Kong, Z.Q., Klosterman, S.J., Chen, J.Y., Subbarao, K.V., Chen, F.M., Zhang, D.D. 2024. The 24-kDa subunit of mitochondrial complex I regulates growth, microsclerotia development, stress tolerance, and virulence in Verticillium dahliae. BMC Biology. 22. Article 289. https://doi.org/10.1186/s12915-024-02084-9.

A systematic approach for identifying unique genomic sequences for Fusarium oxysporum f. sp. lactucae race 1 and development of molecular diagnostic tools - (Peer Reviewed Journal)
Li, N., Geiser, D.M., Steenwyk, J.L., Tsuchida, C., Koike, S., Slinski, S., Martin, F.N. 2024. A systematic approach for identifying unique genomic sequences for Fusarium oxysporum f. sp. lactucae race 1 and development of molecular diagnostic tools. Phytopathology. 115(2):204-217. https://doi.org/10.1094/PHYTO-04-24-0142-R.

First report of Fusarium falciforme causing root and stem rot in cowpea (syn. black-eyed pea; Vigna unguiculata) in California - (Peer Reviewed Journal)
Zimmerman, K., Clark, N.E., Turini, T.A., Paulk, A., Del Castillo Munera, J., Li, N., Geiser, D.M., Martin, F.N., Swett, C.L. 2024. First report of Fusarium falciforme causing root and stem rot in cowpea (syn. black-eyed pea; Vigna unguiculata) in California. Plant Disease. 108(12):3651. https://doi.org/10.1094/PDIS-08-24-1609-PDN.

Cover cropping attenuates population growth of Macrophomina phaseolina by limiting weed biomass, despite asymptomatic colonization of cover crops - (Peer Reviewed Journal)
Qin, C., Goldman, P.H., Leap, J., Henry, P.M. 2025. Cover cropping attenuates population growth of Macrophomina phaseolina by limiting weed biomass, despite asymptomatic colonization of cover crops. Plant Disease. 109(2):480-490. https://doi.org/10.1094/PDIS-05-24-0951-RE.

Dual transcriptional characterization of spinach and Peronospora effusa during resistant and susceptible race-cultivar interactions - (Peer Reviewed Journal)
Clark, K.J., Feng, C., Anchieta, A.G., Van Deynze, A., Correll, J.C., Klosterman, S.J. 2024. Dual transcriptional characterization of spinach and Peronospora effusa during resistant and susceptible race-cultivar interactions. BMC Genomics. 25. Article 937. https://doi.org/10.1186/s12864-024-10809-x.

Geospatial analysis of California strawberry fields reveals regional differences in crop rotation patterns and the potential for lengthened rotations at current levels of production - (Peer Reviewed Journal)
Ramos, G., Goldman, P.H., Sharrett, J., Sacher, G.O., Pennerman, K.K., Dilla-Ermita, C.J., Jaime, J.H., Steele, M.E., Hewavitharana, S.S., Holmes, G.J., Waterhouse, H., Dundore-Arias, J.P., Henry, P.M. 2024. Geospatial analysis of California strawberry fields reveals regional differences in crop rotation patterns and the potential for lengthened rotations at current levels of production. Frontiers in Sustainable Food Systems. 8. Article 1341782. https://doi.org/10.3389/fsufs.2024.1341782.

Management of soilborne diseases in organic strawberry production - (Book / Chapter)

Effect of abiotic stresses on Macrophomina root rot development in California Strawberry - (Abstract Only)
Gutierrez, M.J., Henry, P.M., Daugovish, O., Biscaro, A.S., Blauer, K.A., Hewavitharana, S.S., Holmes, G.J. 2024. Effect of abiotic stresses on Macrophomina root rot development in California strawberry. American Phytopathological Society Annual Meeting, July 27-30, 2024, Memphis, Tennessee.

The Acyl-CoA-binding protein VdAcb1 is essential for carbon starvation response and contributes to virulence in Verticillium dahliae - (Peer Reviewed Journal)
Zhuang, J., Zhang, Y.D., Sun, W.X., Zong, J., Li, J.-J., Dai, X.-F., Klosterman, S.J., Chen, J.-Y., Tian, L., Subbarao, K.V., Zhang, D.-D. 2024. The Acyl-CoA-binding protein VdAcb1 is essential for carbon starvation response and contributes to virulence in Verticillium dahliae. aBIOTECH. https://doi.org/10.1007/s42994-024-00175-3.

Rhizobacterial Bacillus enrichment in soil enhances smoke tree resistance to Verticillium wilt - (Peer Reviewed Journal)
Guo, R., Li, B., Zhao, Y., Tang, C., Klosterman, S.J., Wang, Y. 2024. Rhizobacterial Bacillus enrichment in soil enhances smoke tree resistance to Verticillium wilt. Plant Cell and Environment. 47(11):4086-4100. https://doi.org/10.1111/pce.15004.

Revisiting Fusarium oxysporum epidemiology: Airborne dispersal of spores may be more common than typically thought - (Abstract Only)
Sacher, G., Crandall, S., LeBlanc, N.R., Henry, P.M. 2024. Revisiting Fusarium oxysporum epidemiology: Airborne dispersal of spores may be more common than typically thought. American Phytopathological Society Annual Meeting, July 27-30, 2024, Memphis, Tennessee.

Some strains of the blackberry Fusarium wilt pathogen and the strawberry wilt-fragariae pathotype are clonally related - (Abstract Only)
Ho, T., Henry, P.M., Buhler, J. 2024. Some strains of the blackberry Fusarium wilt pathogen and the strawberry wilt-fragariae pathotype are clonally related. American Phytopathological Society Annual Meeting, July 27-30, 2024, Memphis, Tennessee.

Genetic resistance to novel resistance-breaking strain of pathogenic fusarium wilt in cultivated strawberry - (Abstract Only)
Morgan, C., Bjornson, M., Dilla-Ermita, C., Henry, P.M., Pincot, D., Famula, R.A., Vachev, M., Jimenez, N., Knapp, S., Feldmann, M. 2024. Genetic resistance to novel resistance-breaking strain of pathogenic fusarium wilt in cultivated strawberry. American Phytopathological Society Annual Meeting. July 27-30, 2024, Memphis, Tennessee.

Forecasting lettuce and spinach downy mildew airborne spore levels in California - (Abstract Only)
Liu, S.S., Clark, K.J., Anchieta, A.G., Ayala, H., Correll, J.C., Putman, A.I., Montazar, A., Klosterman, S.J. 2024. Forecasting lettuce and spinach downy mildew airborne spore levels in California. American Phytopathological Society Annual Meeting, July 27-30, 2024, Memphis, Tennessee.

Functional analysis of the mating type genes in Verticillium dahliae - (Peer Reviewed Journal)
Zhang, Y.D., Ji, X.B., Zong, J., Dai, X.F., Klosterman, S.J., Subbarao, K.V., Zhang, D.D., Chen, J.Y. 2024. Functional analysis of the mating type genes in Verticillium dahliae. BMC Biology. 22. Article 108. https://doi.org/10.1186/s12915-024-01900-6.

Secreted in xylem 6 (SIX6) mediates Fusarium oxysporum f.sp. fragariae race 1 avirulence on FW1-resistant strawberry cultivars - (Peer Reviewed Journal)
Dilla-Ermita, C.J., Goldman, P.H., Anchieta, A.G., Feldmann, M.J., Pincot, D.D., Famula, R.A., Vachev, M., Cole, G.S., Knapp, S.J., Klosterman, S.J., Henry, P.M. 2024. Secreted in xylem 6 (SIX6) mediates Fusarium oxysporum f. sp. fragariae race 1 avirulence on FW1-resistant strawberry cultivars. Molecular Plant-Microbe Interactions. 37(6):530-541. https://doi.org/10.1094/MPMI-02-24-0012-R.

Distribution of three Verticillium dahliae races in coastal California and evaluation of resistance in lettuce - (Peer Reviewed Journal)
Mandal, M.K., Koike, S.T., Tsuchida, C., Stanghellini, H., Guerrero, J., Sandoya, G., Klosterman, S.J., Simko, I., Subbarao, K.V. 2024. Distribution of three Verticillium dahliae races in coastal California and evaluation of resistance in lettuce. Plant Disease. 108(7):2170-2180. https://doi.org/10.1094/PDIS-01-24-0193-RE.

Disease-stage specific expression of carbohydrate active enzyme and effector genes during Macrophomina phaseolina infection of strawberry roots - (Abstract Only)
Dilla-Ermita, J., Pennerman, K., Gutierrez, O., Jimenez, Z.D., Ramos, G., Infante, S., Goldman, P.H., Henry, P.M. 2024. Disease-stage specific expression of carbohydrate active enzyme and effector genes during Macrophomina phaseolina infection of strawberry roots. Conference on Soilborne Plant Pathogens, March 26-28, 2024, Corvallis, Oregon.

Revisiting Fusarium oxysporum Epidemiology: A review of current knowledge and recent advances in airborne dispersal of spores - (Abstract Only)
Sacher, G., Dilla-Ermita, J., Crandall, S., LeBlanc, N.R., Henry, P.M. 2024. Revisiting Fusarium oxysporum Epidemiology: A review of current knowledge and recent advances in airborne dispersal of spores. American Phytopathological Society - Pacific Division Annual Meeting, March 26-28, 2024, Corvallis, Oregon.

Characterization of gene expression in Peronospora effusa and spinach during resistant and susceptible race-cultivar interactions - (Abstract Only)
Clark, K.J., Feng, C., Anchieta, A.G., Van Deynze, A., Correll, J.C., Klosterman, S.J. 2024. Characterization of gene expression in Peronospora effusa and spinach during resistant and susceptible race-cultivar interactions. Fungal Genetics Conference, March 12-17, 2024, Pacific Grove, California.

Alternative carbon sources for anaerobic soil disinfestation in California strawberry - (Abstract Only)
Daugovish, O., Henry, P.M., Muramoto, J. 2024. Alternative carbon sources for anaerobic soil disinfestation in California strawberry. American Society for Horticultural Science Annual Conference, September 23-27, 2024, Honolulu, Hawaii.

Kss1 of Verticillium dahliae regulates virulence, microsclerotia formation, and nitrogen metabolism - (Peer Reviewed Journal)
Li, W., Li, S., Tang, C., Klosterman, S.J., Wang, Y. 2024. Kss1 of Verticillium dahliae regulates virulence, microsclerotia formation, and nitrogen metabolism. Microbiological Research. 281. Article 127608. https://doi.org/10.1016/j.micres.2024.127608.

Nitrogen dioxide fumigation reduces the viability of Verticillium dahliae and Peronospora effusa in spinach seeds - (Abstract Only)
Klosterman, S.J., Liu, S.S., Subbarao, K.V., Liu, Y.-B. 2024. Nitrogen dioxide fumigation reduces the viability of Verticillium dahliae and Peronospora effusa in spinach seeds. International Plant Protection Congress, July 1-5, 2024, Athens, Greece.

Transgressive segregation, hopeful monsters, and phenotypic selection drove rapid genetic gains and breakthroughs in predictive breeding for quantitative resistance to Macrophomina in strawberry - (Peer Reviewed Journal)
Knapp, S.J., Cole, G.S., Pincot, D.D., Dilla-Ermita, C.J., Bjornson, M., Famula, R.A., Gordon, T.R., Harshman, J.M., Henry, P.M., Feldmann, M.J. 2024. Transgressive segregation, hopeful monsters, and phenotypic selection drove rapid genetic gains and breakthroughs in predictive breeding for quantitative resistance to Macrophomina in strawberry. Horticulture Research. 11(2). Article uhad289. https://doi.org/10.1093/hr/uhad289.

Macrophomina phaseolina clonal and recombinant genotypes specialize for virulence on strawberry and soybean - (Abstract Only)
Pennerman, K.K., Goldman, P.H., Dilla-Ermita, J., Ramos, G., Aviles, M., Borrero, C., Gomez, A., Neal, J., Chilvers, M., Ortizlondono, V., Stukenbrock, E.H., Goldman, G.H., Mengistu, A., Seijo, T., Perez, N., Broome, J., Ivors, K., Cole, G., Knapp, S., Mcfarlane, D., Mattner, S., Gambardella, M., Henry, P.M. 2024. Macrophomina phaseolina clonal and recombinant genotypes specialize for virulence on strawberry and soybean. Fungal Genetics Conference, March 12-17, 2024, Pacific Grove, California.

Transmission of spinach downy mildew via seed and infested leaf debris - (Peer Reviewed Journal)
Klosterman, S.J., Clark, K.J., Anchieta, A.G., Kandel, S.L., Mou, B., McGrath, M.T., Correll, J.C., Shishkoff, N. 2023. Transmission of spinach downy mildew via seed and infested leaf debris. Plant Disease. 108(4):951-959. https://doi.org/10.1094/PDIS-06-23-1225-RE.

Developing suppressive crop rotation strategies for strawberries - (Abstract Only)
Muramoto, J., Henry, P.M., Goldman, P.H., Qin, C., Zavatta, M., Bolda, M., Daugovish, O., Greer, C., Perez, J., Wong, D., Goodhue, R., Shennan, C. 2023. Developing suppressive crop rotation strategies for strawberries. Methyl Bromide Alternatives Organization (MBAO) Conference, November 14-16, 2023, San Diego, California.

Soil pest control in strawberry with strategic steam placement - (Abstract Only)
Fennimore, S.F., Rachuy, J.S., Henry, P.M., Daugovish, O., Ivors, K., Ching'Anda, C. 2023. Soil pest control in strawberry with strategic steam placement. Methyl Bromide Alternatives Organization (MBAO) Conference, November 14-16, 2023, San Diego, California.

Retrospective and Prospective look at Discoveries from Verticillium Comparative Genomics - (Other)
Klosterman, S.J. 2023. Retrospective and Prospective look at Discoveries from Verticillium Comparative Genomics. Washington State University, Department of Plant Pathology, September 11, 2023, Pullman, Washington.

Two zinc finger proteins, VdZFP1 and VdZFP2, interact with VdCmr1 to promote melanized microsclerotia development and stress tolerance in Verticillium dahliae - (Peer Reviewed Journal)
Li, H., Sheng, R.C., Zhang, C.N., Wang, L.C., Li, M., Wang, Y.H., Qiao, Y.H., Klosterman, S.J., Chen, J.Y., Kong, Z.Q., Subbarao, K.V., Chen, F.M., Zhang, D.D. 2023. Two zinc finger proteins, VdZFP1 and VdZFP2, interact with VdCmr1 to promote melanized microsclerotia development and stress tolerance in Verticillium dahliae. BMC Biology. 21. Article 237. https://doi.org/10.1186/s12915-023-01697-w.

Evaluation of spinach cultivars for downy mildew resistance in San Juan Bautista, CA 2022 - (Peer Reviewed Journal)
Zima, H.V., Clark, K.J., Klosterman, S.J., Wang, Y., Correll, J.C. 2023. Evaluation of spinach cultivars for downy mildew resistance in San Juan Bautista, CA 2022. Plant Disease Management Reports. 17. Article V154.

Seed transmission of spinach downy mildew - (Abstract Only)
Clark, K.J., Kandel, S.L., Mou, B., Correll, J.C., Klosterman, S.J. 2023. Seed transmission of spinach downy mildew. International Congress of Plant Pathology, August 20-25, 2023, Lyon, France.

Epidemiology and management of plant viruses under a changing climate - (Peer Reviewed Journal)
Jeger, M.J., Fereres, A., Malmstrom, C.E., Mauck, K.E., Wintermantel, W.M. 2023. Epidemiology and management of plant viruses under a changing climate. Phytopathology. 113(9):1620-1621. https://doi.org/10.1094/PHYTO-07-23-0262-V.

Exaggerated plurivory of Macrophomina phaseolina: Accounting for the large host range claim and the shifting of scientific language - (Peer Reviewed Journal)
Pennerman, K.K., Dilla-Ermita, C.J., Henry, P.M. 2024. Exaggerated plurivory of Macrophomina phaseolina: Accounting for the large host range claim and the shifting of scientific language. Phytopathology. 114(1):119-125. https://doi.org/10.1094/PHYTO-05-23-0154-R.

Multiplex quantitative PCR assay for detection of spinach and lettuce downy mildews using spore trapping - (Peer Reviewed Journal)
Clark, K.J., Anchieta, A.G., Cavanaugh, K., Martin, F.N., Correll, J.C., Montazar, A., Putman, A.I., Klosterman, S.J. 2023. Multiplex quantitative PCR assay for detection of spinach and lettuce downy mildews using spore trapping. PhytoFrontiers. 4(1):72-80. https://doi.org/10.1094/PHYTOFR-04-23-0045-FI.

Genome-wide identification and analysis of a cotton secretome reveals its role in resistance against Verticillium dahliae - (Peer Reviewed Journal)
Li, R., Ma, X.Y., Zhang, Y.J., Zhang, Y.J., Zhu, H., Shao, S.N., Zhang, D.D., Klosterman, S.J., Dai, X.F., Subbarao, K.V., Chen, J.Y. 2023. Genome-wide identification and analysis of a cotton secretome reveals its role in resistance against Verticillium dahliae. BMC Biology. 21. Article 166. https://doi.org/10.1186/s12915-023-01650-x.

Carbon sources for anaerobic soil disinfestation in southern California strawberry - (Peer Reviewed Journal)
Daugovish, O., Valdes-Berriz, M., Muramoto, J., Shennan, C., Zavatta, M., Henry, P.M. 2023. Carbon sources for anaerobic soil disinfestation in southern California strawberry. Agronomy. 13(6). Article 1635. https://doi.org/10.3390/agronomy13061635.

Functional characterization of Verticillium dahliae race 3-specific gene VdR3e in virulence and elicitation of plant immune responses - (Peer Reviewed Journal)
Tan, Q., Li, R., Liu, L., Wang, D., Dai, X.F., Song, L.M., Zhang, D.D., Kong, Z.Q., Klosterman, S.J., Usami, T., Subbarao, K.V., Liang, W.X., Chen, J.Y. 2023. Functional characterization of Verticillium dahliae race 3-specific gene VdR3e in virulence and elicitation of plant immune responses. Microbiology Spectrum. 11(4). Article e01083-23. https://doi.org/10.1128/spectrum.01083-23.

The Verticillium dahliae small cysteine-rich protein VdSCP23 manipulates host immunity - (Peer Reviewed Journal)
Wang, J., Wang, D., Ji, X., Wang, J., Klosterman, S.J., Dai, X., Chen, J., Subbarao, K.V., Hao, X., Zhang, D. 2023. The Verticillium dahliae small cysteine-rich protein VdSCP23 manipulates host immunity. International Journal of Molecular Sciences. 24(11). Article 9403. https://doi.org/10.3390/ijms24119403.

Quantification of airborne spinach and lettuce downy mildew at three different ranches in California - (Abstract Only)
Liu, S.S., Anchieta, A.G., Clark, K.J., Correll, J., Placella, S., Klosterman, S.J. 2023. Quantification of airborne spinach and lettuce downy mildew at three different ranches in California. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.

Seedborne oospores as primary inoculum for spinach downy mildew - (Abstract Only)
Clark, K.J., Anchieta, A.G., Kandel, S.L., Mou, B., Mcgrath, M.T., Correll, J.C., Shishkoff, N., Klosterman, S.J. 2023. Seedborne oospores as primary inoculum for spinach downy mildew. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.

First report of Fusarium oxysporum f. sp. fragariae race 2 causing Fusarium wilt of strawberry (Fragaria × ananassa) in California - (Peer Reviewed Journal)
Dilla-Ermita, C.J., Goldman, P.H., Jaime, J., Ramos, G., Pennerman, K., Henry, P.M. 2023. First report of Fusarium oxysporum f. sp. fragariae race 2 causing Fusarium wilt of strawberry (Fragaria × ananassa) in California. Plant Disease. 107(9):2849. https://doi.org/10.1094/PDIS-02-23-0217-PDN.

Planting-hole steam application for pathogen and weed control in organic strawberry in Southern California - (Abstract Only)
Daugovish, O., Fennimore, S., Broome, J., Oddbjorn, B., Ivors, K., Henry, P.M. 2023. Planting-hole steam application for pathogen and weed control in organic strawberry in Southern California. International Symposium on Soil and Substrate Disinfestation, June 6-8, 2023, Almeria, Spain.

Alternative carbon sources for anaerobic soil disinfestation in California strawberry - (Abstract Only)
Daugovish, O., Muramoto, J., Zavatta, M., Valdez-Berriz, M., Henry, P.M. 2023. Alternative carbon sources for anaerobic soil disinfestation in California strawberry. International Symposium on Soil and Substrate Disinfestation, June 6-8, 2023, Almeria, Spain.

Transmission of spinach downy mildew via seed and infested leaf debris - (Abstract Only)
Klosterman, S.J., Clark, K.J., Anchieta, A.G., Kandel, S.L., Mou, B., McGrath, M.T., Correll, J., Shishkoff, N. 2023. Transmission of spinach downy mildew via seed and infested leaf debris. International Spinach Conference, May 1-2, 2023, Melbourne, Australia (virtual).

Go in for the kill: the influence of temperature on necrotrophic growth of Macrophomina phaseolina on strawberry - (Abstract Only)
Dilla-Ermita, J., Pennerman, K., Gutierrez, O.R., Jimenez, Z.D., Ramos, G., Infante, S., Goldman, P.H., Henry, P.M. 2023. Go in for the kill: The influence of temperature on necrotrophic growth of Macrophomina phaseolina on strawberry. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.

Revisiting the host range of Macrophomina phaseolina - (Abstract Only)
Pennerman, K., Dilla-Ermita, J., Henry, P.M. 2023. Revisiting the host range of Macrophomina phaseolina. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.

Comparative genomics and literature review of Macrophomina phaseolina indicate that a re-interpretation of host range is necessary - (Abstract Only)
Pennerman, K., Dilla-Ermita, J., Henry, P.M. 2023. Comparative genomics and literature review of Macrophomina phaseolina indicate that a re-interpretation of host range is necessary. American Phytopathological Society Annual Meeting, August 14, 2023, Denver, Colorado.

Natural and Substrate-induced Microbial Succession and its Impact on Verticillium Wilt - (Abstract Only)
Mandal, M.K., Puri, K.D., Suren, H., Henry, P.M., Inderbitzin, P., Chellemi, D.O., Subbarao, K.V. 2023. Natural and substrate-induced microbial succession and its impact on Verticillium wilt. American Phytopathological Society Annual Meeting, August 12-16, 2023, Denver, Colorado.

A broad genomic survey of Macrophomina spp. reveals host-genotype associations and evidence of on-going recombination - (Abstract Only)
Pennerman, K.K., Goldman, P.H., Dilla-Ermita, J., Ramos, G., Aviles, M., Borrero, C., Gomez, A., Neal, J., Chilvers, M., Ortizlondono, V., Stukenbrock, E.H., Goldman, G.H., Mengistu, A., Seijo, T., Perez, N., Broome, J., Ivors, K., Cole, G., Knapp, S., Mcfarlane, D., Mattner, S., Gambardella, M., Henry, P.M. 2023. A broad genomic survey of Macrophomina spp. reveals host-genotype associations and evidence of on-going recombination. International Congress of Plant Pathology, August 20-25, 2023, Lyon, France.

Fusarium oxysporum f. sp. fragariae race 2 in California did not evolve through a single mutation in the AvrFW1 avirulence gene - (Abstract Only)
Henry, P.M., Dilla-Ermita, C., Pennerman, K.K. 2023. Fusarium oxysporum f. sp. fragariae race 2 in California did not evolve through a single mutation in the AvrFW1 avirulence gene. International Congress of Plant Pathology, August 20-25, 2023, Lyon, France.

Steam treatments for control of Macrophomina crown rot in summer-planted strawberry - (Abstract Only)
Jaime, J., Daugovish, O., Rachuy, J., Ivors, K., Warres, B., Henry, P.M., Broome, J., Bergem, O., Fennimore, S. 2023. Steam treatments for control of Macrophomina crown rot in summer-planted strawberry. Conference on Soilborne Plant Pathogens, March 28-30, 2023, Salinas, California.

Historic misunderstandings about the host range of Macrophomina phaseolina - (Abstract Only)
Pennerman, K., Dilla-Ermita, J., Henry, P.M. 2023. Historic misunderstandings about the host range of Macrophomina phaseolina. Conference on Soilborne Plant Pathogens, March 28-30, 2023, Salinas, California.

Geospatial analysis of California strawberry fields reveals regional differences in crop rotation and vulnerability to a warming climate - (Abstract Only)
Ramos, G., Goldman, P.H., Sharrett, J., Pennerman, K., Dilla-Ermita, J., Dundore-Arias, J.P., Henry, P.M. 2023. Geospatial analysis of California strawberry fields reveals regional differences in crop rotation and vulnerability to a warming climate. Conference on Soilborne Plant Pathogens, March 28-30, 2023, Salinas, California.

VdTps2 modulates plant colonization and symptom development in Verticillium dahliae - (Peer Reviewed Journal)
Xiao, L., Tang, C., Klosterman, S.J., Wang, Y. 2023. VdTps2 modulates plant colonization and symptom development in Verticillium dahliae. Molecular Plant-Microbe Interactions. https://doi.org/10.1094/MPMI-03-23-0024-R.

Effect of wheat cover crop on Macrophomina root rot and rhizosphere microbiome in strawberry - (Abstract Only)
Steele, M., Holmes, G., Henry, P.M., Hewavitharana, S. 2023. Effect of wheat cover crop on Macrophomina root rot and rhizosphere microbiome in strawberry. American Phytopathological Society - Pacific Division Annual Meeting, March 14-16, 2023, Tucson, Arizona.

Seed transmission of spinach downy mildew, and analyses of airborne lettuce and spinach downy mildew - (Abstract Only)
Klosterman, S.J. 2023. Seed transmission of spinach downy mildew, and analyses of airborne lettuce and spinach downy mildew. California Leafy Greens Research Program Annual Meeting, March 14, 2023, Pismo Beach, California.

Sporodochia formed by Fusarium oxysporum f. sp. fragariae produce airborne conidia and are ubiquitous on diseased strawberry plants in California - (Peer Reviewed Journal)
Henry, P.M., Dilla-Ermita, C.J., Goldman, P.H., Jaime, J., Ramos, G. 2023. Sporodochia formed by Fusarium oxysporum f. sp. fragariae produce airborne conidia and are ubiquitous on diseased strawberry plants in California. Phytopathology. 113(8):1399-1404. https://doi.org/10.1094/PHYTO-10-22-0375-SC.

Sporodochia formed by Fusarium oxysporum f. sp. fragariae: occurrence and implications - (Abstract Only)
Dilla-Ermita, C.J., Henry, P.M. 2023. Sporodochia formed by Fusarium oxysporum f. sp. fragariae: Occurrence and implications. North American Strawberry Growers Association Annual Meeting, March 7-10, 2023, San Luis Obispo, California.

Genomic Diversity in Fusarium oxysporum f. sp. fragariae; Implications for effective development of host resistance - (Abstract Only)
Henry, P.M. 2023. Genomic diversity in Fusarium oxysporum f. sp. fragariae; Implications for effective development of host resistance. North American Strawberry Growers Association Annual Meeting, March 7-10, 2023, San Luis Obispo, California.

Thioredoxin VdTrx1, an unconventional secreted protein, is a virulence factor in Verticillium dahliae - (Peer Reviewed Journal)
Tian, L., Zhuang, J., Li, J.J., Zhu, H., Klosterman, S.J., Dai, X.F., Chen, J.Y., Subbarao, K.V., Zhang, D.D. 2023. Thioredoxin VdTrx1, an unconventional secreted protein, is a virulence factor in Verticillium dahliae. Frontiers in Microbiology. 14. Article 1130468. https://doi.org/10.3389/fmicb.2023.1130468.

Updates on Fusarium wilt research: aerial dispersal and resistance-breaking strains - (Abstract Only)
Henry, P.M. 2023. Updates on Fusarium wilt research: Aerial dispersal and resistance-breaking strains. University of California Cooperative Extension Annual Strawberry Production Research Meeting, February 7, 2023 (virtual).

Knowledge gaps, research needs, and opportunities in plant disease diagnostic assay development and validation - (Peer Reviewed Journal)
Geiser, D., Martin, F.N., Espindola, A.S., Brown, J.K., Bell, T., Yang, Y., Kang, S. 2023. Knowledge gaps, research needs, and opportunities in plant disease diagnostic assay development and validation. PhytoFrontiers. 3(1):51-63. https://doi.org/10.1094/PHYTOFR-05-22-0057-FI.

FW1-resistant varieties with Fusarium wilt in Oxnard, CA - (Popular Publication)
Henry, P.M. 2023. FW1-resistant varieties with Fusarium wilt in Oxnard, CA. Cal Poly Strawberry Center Blog. Available: https://strawberrycenterblog.com/2023/01/18/fw1-resistant-varieties-with-fusarium-wilt-in-oxnard-ca/.

The Verticillium dahliae secreted protein VdCE11 contributes to virulence by promoting accumulation and activity of the cotton aspartic protease GhAP1 - (Peer Reviewed Journal)
Li, C., Qin, J., Huang, Y., Shang, W., Chen, J., Klosterman, S.J., Subbarao, K.V., Hu, X. 2023. The Verticillium dahliae secreted protein VdCE11 contributes to virulence by promoting accumulation and activity of the cotton aspartic protease GhAP1. Microbiology Spectrum. 11(1). https://doi.org/10.1128/spectrum.03547-22.

Soil bacterial communities are influenced by soil chemical characteristics and dispersal limitation in commercial strawberry production systems - (Peer Reviewed Journal)
LeBlanc, N.R., Gebben, S. 2023. Soil bacterial communities are influenced by soil chemical characteristics and dispersal limitation in commercial strawberry production systems. Plant-Environment Interactions. 4(1):11-22. https://doi.org/10.1002/pei3.10099.

Genome resource for the Verticillium wilt resistant Gossypium hirsutum cultivar Zhongzhimian No. 2 - (Peer Reviewed Journal)
Li, R., Zhang, Y.J., Ma, X.Y., Li, S.K., Klosterman, S.J., Chen, J.Y., Subbarao, K.V., Dai, X.F. 2023. Genome resource for the Verticillium wilt resistant Gossypium hirsutum cultivar Zhongzhimian No. 2. Molecular Plant-Microbe Interactions. 36(1):68-72. https://doi.org/10.1094/MPMI-10-22-0205-A.

First report of watermelon mosaic virus naturally infecting coriander (Coriandrum sativum) and causing a leaf mottling disease in California - (Peer Reviewed Journal)
Cespedes, M.K., Melgarejo, T.A., Henry, P.M., Rwahnih, M.A., Gilbertson, R.L. 2022. First report of watermelon mosaic virus naturally infecting coriander (Coriandrum sativum) and causing a leaf mottling disease in California. Plant Disease. 107(4):1248. https://doi.org/10.1094/PDIS-05-22-1184-PDN.

Terminology and guidelines for diagnostic assay development and validation: Best practices for molecular tests - (Peer Reviewed Journal)
Groth-Helms, D., Rivera, Y., Martin, F.N., Arif, M., Sharma, P., Castlebury, L.A. 2023. Terminology and guidelines for diagnostic assay development and validation: Best practices for molecular tests. PhytoFrontiers. 3(1):23-35. https://doi.org/10.1094/PHYTOFR-05-22-0059-FI.

The genome of the oomycete Peronosclerospora sorghi, a cosmopolitan pathogen of maize and sorghum, is inflated with dispersed pseudogenes - (Peer Reviewed Journal)
Fletcher, K., Martin, F.N., Isakeit, T., Cavanaugh, K., Magill, C., Michelmore, R. 2023. The genome of the oomycete Peronosclerospora sorghi, a cosmopolitan pathogen of maize and sorghum, is inflated with dispersed pseudogenes. G3. 13(3). Article jkac340. https://doi.org/10.1093/g3journal/jkac340.

Evaluation of spinach cultivars for downy mildew resistance in Yuma, AZ 2022 - (Peer Reviewed Journal)
Zima, H.V., Clark, K.J., Poudel-Ward, B., Slinksi, S.L., Klosterman, S.J., Correll, J.C. 2022. Evaluation of spinach cultivars for downy mildew resistance in Yuma, AZ 2022. Plant Disease Management Reports. 16. https://doi.org/10.1094/PDMR16.

Clade-specific monitoring of airborne Pseudoperonospora spp. sporangia using mitochondrial DNA markers for disease management of cucurbit downy mildew - (Peer Reviewed Journal)
Bello, J.C., Higgins, D.S., Sakalidis, M.L., Quesada-Ocampo, L.M., Martin, F.N., Hausbeck, M.K. 2022. Clade-specific monitoring of airborne Pseudoperonospora spp. sporangia using mitochondrial DNA markers for disease management of cucurbit downy mildew. Phytopathology. 112(10):2110-2125. https://doi.org/10.1094/PHYTO-12-21-0500-R.

The emergence of Fusarium oxysporum f. sp. apii race 4 and Fusarium oxysporum f. sp. coriandrii highlight major obstacles facing agricultural production in coastal California in a warming climate: A case study - (Peer Reviewed Journal)
Epstein, L.E., Kaur, S., Henry, P.M. 2022. The emergence of Fusarium oxysporum f. sp. apii race 4 and Fusarium oxysporum f. sp. coriandrii highlight major obstacles facing agricultural production in coastal California in a warming climate: A case study. Frontiers in Plant Science. 13. Article 921516. https://doi.org/10.3389/fpls.2022.921516.

A polyketide synthase from Verticillium dahliae modulates melanin biosynthesis and hyphal growth to promote virulence - (Peer Reviewed Journal)
Li, H., Wang, D., Zhang, D.D., Geng, Q., Li, J.J., Sheng, R.C., Xue, H.S., Zhu, H., Kong, Z.Q., Dai, X.F., Klosterman, S.J., Subbarao, K.V., Chen, F.M., Chen, J.Y. 2022. A polyketide synthase from Verticillium dahliae modulates melanin biosynthesis and hyphal growth to promote virulence. BMC Biology. 20. Article 125. https://doi.org/10.1186/s12915-022-01330-2.

Lineage structure of the Fusarium oxysporum Species Complex (FOSC) based on a dataset of 41 full-length genes from the core genomes of 545 isolates: its implications in taxonomy and diagnostics - (Abstract Only)

A reference genome sequence resource for the sugar beet root rot pathogen Aphanomyces cochlioides - (Peer Reviewed Journal)
Botkin, J.R., Chanda, A.K., Martin, F.N., Hirsch, C.D. 2022. A reference genome sequence resource for the sugar beet root rot pathogen Aphanomyces cochlioides. Molecular Plant-Microbe Interactions. 35(8):706-710. https://doi.org/10.1094/MPMI-11-21-0277-A.