W2147: Managing Plant Microbe Interactions in Soil to Promote Sustainable Agriculture

Publications for 2010

Abawi, G.S., J.W. Ludwig, and B.K. Gugino. 2010. The connections between soil health and root health. Bean Improvement Coop. 53: 68 – 69.

Atallah, Z.K., Maruthachalam, K., du Toit, L.J., Koike, S.T., Davis, R.M., Klosterman, S.J., Hayes, R.J., and Subbarao, K.V. 2010. Population analyses of the vascular plant pathogen Verticillium dahliae detect recombination and transcontinental gene flow. Fungal Genetics and Biology 47:416-422.

Babiker, E., Hulbert, S. and Paulitz, T. 2010. Screening wheat and Brassica germplasm for resistance to Rhizoctonia root diseases. Dryland Agriculture Field Day Abstracts

Babiker, E., Hulbert, S. H., Schroeder, K. L. and Paulitz, T. C. 2011. Optimum timing of pre-plant applications of glyphosate to manage Rhizoctonia root rot in barley. Plant Disease: in press.

Babiker, S. H. Hulbert, S., Schroeder, K. L. and Paulitz, T. C. 2010. Optimum timing of pre-plant applications of glyphosate to manage Rhizoctonia root rot in barley. APS Pacific Division Meeting, Vancouver, Canada.

Boutard-Hunt, C., Smart, C.D. Thaler, J., and Nault, B.A. (2009) Impact of plant growth promoting rhizobacteria and natural enemies on Myzus persicae infestations in pepper. Journal of Economic Entomology 102:2183-2191.

Camp, A.R., Lange, H.W., Reiners, S. and Smart, C.D. (2010) Sowing the Seeds of Science. Phytopathology 100:S20.

Camp, A.R., Milgroom, M.G., Meitz, J.C., McLeod, A., Fry, W.E., McGrath, M.T., Dillard, H.R. and Smart, C.D. (2010) Phytophthora capsici in New York State: Resistance to mefenoxam and population structure. Phytopathology 100:S20

Dunn, A.R., Milgroom, M.G., Meitz, J.C., McLeod, A., Fry, W.E., McGrath, M.T., Dillard, H.R., and Smart, C.D. (2010) Population structure and resistance to mefenoxam of Phytophthora capsici in New York State. Plant Disease 94:1461-1468.

Gatch, E.W., and du Toit, L.J. 2010. Managing Fusarium wilt in spinach seed crops using limestone and a soil bioassay. Phytopathology 100: in press. 2010 APS Pacific Division/CPS annual meeting, Vancouver, BC. Granke, L.L., Windstam, S.T., Hock, H.C., Smart, C.D., and Hausbeck, M.K. (2009) Dispersal and Movement Mechanisms of Phytophthora capsici Sporangia. Phytopathology 99: 1258-1264.

Hao, J. J., Hausbeck, M. K., Ngouajio, M., Grumet R., and Davis, R. M. 2010. Detection and management of Phytophthora and Pythium in carrot, tomato, cucurbits, and asparagus. HortScience 45:S206.

Hao, J. J., Meng, Q., Rosenzweig, N., Lu, X., and and Liu, H. 2010. Managing Potato Common Scab by Enhancing Soil Health. Great Lakes Fruit, Vegetable and Farm Market EXPO. URL: http://www.glexpo.com/abstracts.php.

Iglesias-Garcia, A., Feng, C., du Toit, L.J., Subbarao, K.V., and Correll, J.C. 2010. Virulence and molecular characterization of Verticillium species from spinach. Phytopathology 100:413P. APS Annual Meeting, 7-11 August 2010, Charlotte, NC.

Kelley, E., and Hao, J. 2010. Effect essential oils on inhibition of Phytophthora capsici. Phytopathology 100: S60.

Kwak, Y.-S., Bakker, P. A. H. M., Glandorf, D. C. M., Rice, J. T., Paulitz, T. C. and Weller, D. M. 2010. Isolation, characterization and sensitivity to 2,4- diacetylphloroglucinol of isolates of Phialophora spp. from Washington wheat fields. Phytopathology 100:404-414.

Lange, H.W. and Smart, C.D. (2010) Evaluation of LEM17 and adjuvants for suppression of white mold on cabbage, 2009. Plant Disease Management Reports (online) Report 4:V87. The American Phytopathological Society, St. Paul, MN.

Loffredo, A., J. Yang, J. Borneman, and J.O. Becker. 2010. Identification of a Meloidogyne incognita-suppressive soil and its potentially causal agent. J. Nematology 42: in press.

Lu, X. H., Hao, J. J., and Liu, X. L. 2010. Competitive ability of iprovalicarb-resistant mutants of Phytophthora capsici. Phytopathology 100: S74.

Lu, X. H., Zhu, S. S., Bi, Y., Liu, X. L., and Hao, J. J. 2010. Baseline sensitivity and resistance-risk assessment of Phytophthora capsici to iprovalicarb. Phytopathology 100:1162-1168.

Manter, D.K., Kolodny, E.H., Hansen, E.M., and Parke, J. L. 2010. Virulence, sporulation, and elicitin production in three clonal lineages of Phytophthora ramorum. Physiol. Molecular Plant Pathol. 74:317-322. DOI:10.1016/j.pmpp.2010.04.008

Mavrodi, D. V., Peever, T. L., Mavrodi O.V., Parejko, J.A., Raaijmakers, J. M., Lemanceau, P., Mazurier, S., Heide, L., Blankenfeldt, W., Weller, D. M, and Thomashow, L. S. 2010. Diversity and evolution of the phenazine biosynthesis pathway. Appl Environ. Microbiol. 76:866-879.

McSpadden Gardener, B. 2010. Biocontrol of Plant Pathogens and Plant Growth Promotion by Bacillus. Chapter 6 pgs 71-79 in Recent Developments in Management of Plant Diseases, Plant Pathology in the 21st Century, Vol.1, U. Gisi, I. Chet, M. Lodovica Gullino eds. Springer; Amsterdam. 377 pp.

Meng, Q. X., and Hao, J. J. 2010. Identification of Streptomyces stelliscabiei causing potato common scab in Michigan. Phytopathology 100:S82.

Meng, Q., Cui, X., Bi, Y., Wang, Q., Liu, X., and Hao, J. Biological and genetic characterization of Phytophthora capsici mutants resistant to flumorph. Plant Pathology. (in print).

Mohd Jaaffar, A., Weller, D. M., Paulitz, T. C. And Thomashow, L. S. 2010. Effect of pH on the growth of Rhizoctonia spp. from cereal-based cropping systems in eastern Washington State. Phytopathology Vol. 100, No. 6, pg. S85.

Ochiai, N. Dragila, M. and Parke, J. 2010. Three-dimensional tracking of colloids at the pore scale using epifluorescence microscopy. Vadose Zone J. 9:576-587. DOI:10.2136/vzj2009.0047

Okubara, P.A. Combatting Rhizoctonia and Pythium in dryland wheat production sites-- diagnostics and potential sources of resistance (2010) Cooperators: Paulitz T, Schroeder K, Jones S, Kidwell K, DeMacon V, Steber C. 2010 Dryland Field Day Abstracts, Technical Report 10-1.

Okubara, P.A. Cultivar-dependent root colonization, antifungal metabolite accumulation and gene expression in the wheat-Pseudomonas interaction.” Western Regional Meeting of the American Society of Plant Biologists, Pullman, WA, May 1, 2010, p. 5.

Okubara, P.A. Defense gene expression profiling of a wheat-Pseudomonas biocontrol interaction. Plant & Animal Genome XVIII, San Diego, CA, January 9-13, 2010, Abstract W442.

Okubara, P.A., Call, D.R., Kwak, Y., Skinner, D.Z. 2010. Induction of defense gene homologues in wheat roots during interactions with Pseudomonas fluorescens. Biol. Cont. doi:10.1016/j.biocontrol.2010.07.009

Okura, M., Abawi, G. S., Smart, C. D., and Hodge, K. T. (2009) Diversity and Virulence of Rhizoctonia solani and Rhizoctonia-like Fungi on Vegetables in New York. Plant Disease (93:615-624).

Parke, J. 2010. Reducing Phytophthora: these top 10 tips will help prevent this group of pathogens from taking hold. Digger 54(9):41-47. Patzek, L., Jones, S., du Toit, L.J., and Paulitz, T. 2010. Stunting of onion and related Allium species caused by Rhizoctonia spp. 2010 National Allium Research Conference, 8-10 December 2010, Reno, NV.

Paulitz, T. C., Schroeder, K. L., and Schillinger, W. F. 2010. Soilborne pathogens of cereals in an irrigated cropping system: Effects of tillage, residue management, and crop rotation. Plant Disease Vol. 94, No. 1, pg. 61-66.

Rocha, F.S., J. Smith Becker, S. Benecke, D.R. Jeske, J. Borneman, and J.O. Becker 2009. Influence of population densities of Dactylella oviparasitica and Heterodera schachtii on sugarbeet cyst nematode population suppression. J. Nematology 41:375.

Ryan, P. R., Dessaux, Y., Thomashow, L. S. and Weller, D. M. 2010. Rhizosphere engineering and management for sustainable agriculture. P. 363-383 in: Y. Dessaux, P. Hinsinger, and P. Lemanceau (eds.). Rhizosphere: Achievements and Challenges. Springer.

Sanogo, S., and Liess, L. 2010. Biofungicides as transplant and soil treatment in the control of Phytophthora blight on chile pepper. (Abstr.) APS Pacific Division- CPS meeting, June 20-23, Vancouver, Univ. of British Columbia, Canada.

Schillinger, W. F., Young, D. L., Kennedy, A.C, and Paulitz, T. C. 2010. Diverse no-till irrigated crop rotations instead of burning and plowing continuous wheat. Field Crops Research Vol. 115, No. 1, pg. 39-49.

Stanghellini, M.E, and Misaghi, I. 2010. A unique microbe-microbe and host-specific rhizosphere interaction that is detrimental to plant health. Phytopathology 100:S122.

Stanghellini, M.E., Alcantara, T.P., and Ferrin, D.M. 2010. Germination of Monosporascus cannonballus ascospores in the rhizosphere: a host-specific response. Can J. Plant Pathol. 32:402-405.

Stanghellini, M.E., Mathews, D.M., and Misaghi, I.J. 2010. Pathogenicity and management of Olpidium bornovanus, a root pathogen of cantaloupe. Plant Dis. 94:163- 166.

Yan, G., Smiley, R.W., Okubara, P.A. (2010) Identification and quantification of Pratelynchus neglectus and P. thornei from soils in the Pacific Northwest using real-time polymerase chain reaction. Annual Meeting of the Society of Nematologists, Boise, ID, July 11-14, 2010, Abstract #134, p. 123.

Yin, C., Hulbert, S. H., Schroeder, K. L., Mavrodi, O., Mavrodi, D., Dhingra, A. and Paulitz, T. C. 2010. Comparison of bacterial communities from inside and outside of Rhizoctonia bare patches in wheat. Phytopathology 100: S142. Extension Publications

Abawi, George S., John W. Ludwig, and Beth K. Gugino. 2010. Carrot and beet diseases and their management in New York. Pp. 122 – 124. Proceedings, Mid-Atlantic Fruit & Vegetable Convention, Feb. 2-4, 2010, Hershey, PA.

Abawi, George S., John W. Ludwig, and Beth K. Gugino. 2010. Disease Defense: maintaining healthy soils improves root health and reduces damage caused by Pythium root rot and other root rot pathogens. AVG: 18.

Abawi, George S., John W. Ludwig, and Beth K. Gugino. 2010. The Cornell soil health assessment protocol and the connections between soil health and root health. Pp. 206 – 207. Proceedings, Mid-Atlantic Fruit & Vegetable Convention, Feb. 2-4, 2010, Hershey, PA.

Abawi, George, John Ludwig, and Beth Gugino. 2010. Finding connections between soil health and root health. Vegetable Growers News 44 (3): 22.

Cao, C., Park, S. and McSpadden Gardener, B.B. 2010. Biopesticide controls for plant diseases –Resources and products for organic farmers in Ohio. OSU Fact Sheet. 10 pp. http://ohioline.osu.edu/sag-fact//pdf/SAG-18-10.pdf

Cao, C., Vallad, G., McGrath, M., and McSpadden Gardener, B. 2010. Efficacy of Biochemical Biopesticides that may be used in Organic Farming. eXtension. Published Aug 23 online at: http://www.extension.org/article/29381 du Toit, L.J., Derie, M.L., Brissey, L.M., and Holmes, B.J. 2010. Evaluation of seed treatments for management of seed borne Verticillium and Stemphylium in spinach, 2009. Plant Disease Management Reports 4: ST038.

McGrath, M., Vallad, G., and McSpadden Gardener. B. 2010. Biopesticides for Plant Disease Management in Organic Farming. eXtension. Published Aug 23 online at: http://www.extension.org/article/29380

Okubara, P., Paulitz, T., Hulbert, S. 2010. Going to war, WSU scientists team up to combat Rhizoctonia and Pythium. Wheat Life January, p. 56-57.

Okubara, P., Schroeder, K., Paulitz, T. 2010. Out of sight not out of mind, getting to the root of fungal pathogens Rhizoctonia and Pythium. Wheat Life April, p. 60-63.

Okubara, P.A. 2010. P as in Pseudomonas, nematicidal isolates that inhibit soilborne fungi.” Soil Fungus Conference, Mt Vernon, WA, March 23, 2010. Park, S., Cao, C. and McSpadden Gardener, B.B. 2010. Inoculants and soil amendments for organic growers. OSU Fact Sheet. 7 pp. http://ohioline.osu.edu/sag- fact//pdf/SAG-17-10.pdf Raudales, R., Cao, C., Vallad, G., McGrath, M., and McSpadden Gardener, B. 2010. Efficacy of Microbial Biopesticides that may be used in Organic Farming. eXtension. Published Aug 25 online at: http://www.extension.org/article/29382

Extension and Outreach Presentations

Becker, O. 42nd Nematology Workshop, UC Kearney Research and Extension Center, CA, March 23, 2010; "Hyperparasite Dactylella oviparasitica attacking Heterodera schachtii females" (poster).

Becker, O. California Hispanic Association of Professionals in Agriculture (CHAPA) Seminar, Agricultural Commissioner Department, Arcadia, CA, April 29, 2010. "Common Ornamental and Turf Diseases Caused by Plant-Parasitic Nematodes and Control Options" (invited presentation).

Becker, O. California Hispanic Association of Professionals in Agriculture (CHAPA) Seminar, Woodhaven Country Club, Palm Desert, CA, September 22, 2010. "Know Your Nematode Problems - Consider Potential Solutions" (invited presentation).

Becker, O. Fall Desert Crops Workshop, November 23, Holtville, CA. "Mitigation of root-knot nematode crop damage by integration of various plant protection approaches" (invited presentation).

Becker, O. IPM for Professional Landscapers meeting, Sheraton Bay Tower, San Diego, CA, May 27, 2010. Identification and Control of Plant Parasitic Nematodes Workshop (invited presentation/hands-on workshop)

Becker, O. Pesticide Applicators Professional Association (PAPA) Seminar, Nov 30, 2010, Palm Springs. "Plant Parasitic Nematodes in Coachella Valley Turf" (invited presentation).

Becker, O. Society of Nematologists Annual Meeting, July12-15, 2010, Boise, ID. "Identification of a Meloidogyne incognita - suppressive soil and its potentially causal agent"(poster).

Becker, O. Society of Nematologists Annual Meeting, July12-15, 2010, Boise, ID. "Abating root-knot nematode damage in fresh carrot production" (presentation).

Becker, O. Turfgrass and Landscape Institute, Rancho Cucamonga, CA, December 15, 2010. "Nematode Prevention and Control in Landscapes" (invited presentation). Becker, O. University of California ANR Nematology Workgroup, UC Kearney Research and Extension Center, CA, March 22, 2010; "Biological and biorational management of root-knot and cyst nematodes" (presentation). du Toit, L.J. Fusarium wilt and Verticillium wilt in spinach seed production: What’s new? Annual Seed Growers’ Meeting for Alf Christianson Seed Co./Wilbur Ellis, 16 February 2010, Burlington, WA. du Toit, L.J. Fusarium wilt in radish and spinach seed crops. Willamette Valley Specialty Seed Growers’ Association, 26 February 2010, Albany, OR. du Toit, L.J. Management of Verticillium wilt in spinach seed crops. Willamette Valley Specialty Seed Growers’ Association, 26 February 2010, Albany, OR. du Toit, L.J. Seed treatments for management of Verticillium in spinach. Annual Meeting of the California Leafy Greens Research Program, 16 March 2010, Harris Ranch, CA. du Toit, L.J. Verticillium and spinach seed treatments: Greenhouse vs. field conditions. Mid-year Meeting of the California Leafy Greens Research Program, 5 October 2010, Seaside, CA. du Toit, L.J., and Gatch, E.W. 2010. Research progress report on Fusarium wilt in spinach seed crops. Annual Conference, Puget Sound Seed Growers’ Association/Western Washington Agriculture Association, 29 January 2010, Mount Vernon, WA. Handiseni, M., Paulitz, T., and du Toit, L.J. Evaluation of management practices for stunting of onion caused by Rhizoctonia species. 2010 Pacific Northwest Vegetable Association Conference & Trade Show, 17-18 November 2010, Kennewick, WA. Inglis, D.A., Koike, S.T., and du Toit, L.J. 2010. Soilborne diseases in coastal climates: Case studies on seed and specialty crops in the Skagit and Salinas Valleys. Opening Symposium, 56th Soil Fungus Conference, 22-24 March 2010, Mount Vernon, WA.

Okubara, P.A. Strategies to identify the mutation in Rhizoctonia-tolerant Scarlet-Rz1. Wheat and Barley Discussion Group, December 8, 2009.

Okubara, P.A. Updates on Rhizoctonia in Columbia County,” Columbia Country Extension Variety Research Field Day, Dayton, WA, June 29, 2010.

Okubara, P.A. What’s behind real-time PCR - concepts and approaches for successful assays. WSU group seminar, November 11, 2009.

Parke, J. and Grunwald, N. Phytophthora Workshop: Meet the Plant Destroyers! Oktoberpest Workshop Series, North Willamette Research and Extension Center, Oct. 28, 2010. 40 participants.

Parke, J. L and Lewis, C. Solarization and biocontrol to reduce soilborne diseases. Nursery Research and Extension Field Day, North Willamette Research and Extension Center, Sept. 7, 2010. 85 participants. Parke, J. L. A systems approach for managing Phytophthora and Pythium diseases in greenhouses and retail centers. Greenhouse and Retail Growers Seminar Series, Oregon Association of Nurseries. Gervais, OR. Jan. 20, 2010. 100 participants.

Parke, J. L. A systems approach for managing Phytophthora spp. in nurseries. Nursery Research and Extension Field Day, North Willamette Research and Extension Center, Sept. 7, 2010. 85 participants.

Parke, J. L. A systems approach to IPM – Critical Control Points. Keynote address, North Carolina State University 17th Ornamental Workshop on Diseases and Pests, Kanuga Conference Center, Hendersonville, NC. Sept. 21, 2010. 125 participants.

Paulitz, T. C. Taught 10 lectures at the 4th International CIMMYT Workshop on Soilborne Pathogens of Wheat, Eskisehir, Turkey June 18-July 3, 2010.

Paulitz, T. C. and Schroeder, K. L. Cereal Nematodes and Aluminum Toxicity. Spokane Crop Improvement Association, Airway Heights, WA Nov. 24, 2010.

Paulitz, T. C. and Schroeder, K. L. Cereal Nematodes and Aluminum Toxicity. CHS Grower Meeting, Airway Heights, WA Feb. 15, 2010.

Paulitz, T. C. Diagnosing Soilborne Plant Diseases. Master Gardener Annual Conference, Pullman, WA Sept. 24, 2009.

Paulitz, T. C. Microbial Suppression of Rhizoctonia on Wheat. Soil Fungus Conference, Mt. Vernon, WA March 23, 2010.

Paulitz, T. C. Nematodes- Tiny Worms in the Soil A science lab presentation given to Nespelem Elementary School. 4 classes, 80 students. Oct. 9, 2010.

Paulitz, T. C. Plant Pathology 101: Cereal Diseases. Presented to the Seed Academy, a 3-day workshop for seed workers, Pullman, WA, May 25, 2010.

Paulitz, T. C. Rhizoctonia Diseases in Direct-Seed Systems. Clearwater Direct Seeders Association, Lewiston, ID Feb 9, 2010.

Paulitz, T. C. Root Disease Research at ARS Pullman- What’s New? Spokane Farm Forum, Feb. 3, 2010.

Schillinger, W. F., Kennedy, A. C. and Paulitz, T. C. 2010. Fourteen years of diverse annual no-till cropping in Washington’s winter wheat-summer fallow region. ASA- CSAS-SSA Annual Meeting Abstracts.

Schroeder, K. L. Aluminum toxicity and tolerant crops. Fairfield Research Plot Tour, Fairfield, WA. June 22, 2010. Schroeder, K. L. Cereal Nematodes and Aluminum Toxicity. Spokane County Conservation District Annual Meeting, Rockford, WA. May 25, 2010.

Schroeder, K. L. Nematode and aluminum toxicity management in Spokane County. Spokane County Crop Improvement Association Annual Meeting, Airway Heights, WA. November 23, 2010.

Schroeder, K. L. Rhizoctonia root rot and disease management. Technology in Conservation: International Exchange on the Palouse, Pullman, WA. June 24, 2010.

Schroeder, K. L. Rhizoctonia root rot of cereals. Crop Diagnostic Clinic, Pullman, WA. June 29, 2010.

Schroeder, K. L. Root diseases in dryland wheat. Far West Winter Conference, Pasco, WA. December 1, 2009.

Schroeder, K. L. Using real-time PCR to study the geographic and spatial distribution of Pythium species in soils in eastern Washington. Soil Fungus Conference, Mt. Vernon, WA. March 23, 2010.

Schroeder, K. L., and Paulitz, T. C. Cereal nematodes and aluminum toxicity. Spokane County Crop Improvement Association Annual Meeting, Airway Heights, WA. November 24, 2009.