Subject to change.
1:00 – 4:00 p.m.
Section: Emerging Pests/Invasive Species
1:00 p.m.
Improving the detection of new and emerging pests and diseases through the Plantwise Initiative. S. L. HOBBS (1). (1) CABI, Wallingford, United Kingdom
1:15 p.m.
Pest interceptions on live plants at U.S. ports of entry: A system overwhelmed. K. O. BRITTON (1), J. L. Parke (2), L. J. Garrett (3), F. Lowenstein (4), A. Nuding (5). (1) USDA Forest Service, Research & Development, Arlington, VA, U.S.A.; (2) Oregon State University, Dept. of Botany and Plant Pathology, Corvallis, OR, U.S.A.; (3) USDA-APHIS, PPQ, CPHST, Plant Epidemiology and Risk Assessment Laboratory, Raleigh, NC, U.S.A.; (4) The Nature Conservancy, Arlington, VA, U.S.A.; (5) Western Resource Advocates, Boulder, CO, U.S.A.
1:30 p.m.
Management of papaya mealybug, Paracoccus marginatus, through biological control. E. I. JONATHAN (1), S. Suresh (1), M. Kalyanasundaram (1), C. A. Mahalingam (1), P. Karuppuchamy (1), S. Venkatesan (1). (1) Tamil Nadu Agricultural University, Coimbatore, India
1:45 p.m.
Integrated management of invasive mealybugs in brinjal. S. SEETHARAMAN (1), J. Indra (2), G. Ramasamy (3), K. Pandian (3). (1) CPPS, TNAU, Coimbatore, India; (2) TNAU, CPPS, Coimbatore, India; (3) TNAU, Coimbatore, India
2:00 p.m.
Pythium root rot of corn in Japan; Unique symptom climb up the mature stem, and possible drift of the major species in causal Pythium flora. K. SUGAWARA (1), T. Tsukiboshi (1), T. Kikawada (1), H. Tamaki (1), S. Mitsuhashi (1), S. Morita (1), I. Okabe (1). (1) National Institute of Livestock & Grassland Science, Nasushiobara, Japan
2:15 p.m.
Tomato leaf curl Peru virus: A locally evolved monopartite New World begomovirus. T. A. MELGAREJO (1), T. Kon (1), R. L. Gilbertson (1). (1) Dept. of Plant Pathology, University of California-Davis, Davis, CA, U.S.A.
2:30 p.m.
Break
2:45 p.m.
A novel M RNA reassortant of Groundnut ringspot virus and Tomato chlorotic spot virus infecting vegetables in Florida. C. G. Webster (1), S. R. Reitz (2), G. Frantz (3), H. Mellinger (3), K. L. Perry (4), S. ADKINS (1). (1) USDA ARS, Fort Pierce, FL, U.S.A.; (2) USDA ARS, Tallahassee, FL, U.S.A.; (3) Glades Crop Care, Inc., Jupiter, FL, U.S.A.; (4) Cornell University, Ithaca, NY, U.S.A.
3:00 p.m.
New species of the toxic fungal endophyte, Undifilum, from western United States locoweeds. D. BAUCOM (1), R. Belfon (1), M. Romero (1), R. Creamer (1). (1) New Mexico State University, Las Cruces, NM, U.S.A.
3:15 p.m.
Common ragweed (Ambrosia artemisiifolia)—A worldwide problem. T. KOMIVES (1), P. Reisinger (2). (1) Plant Protection Institute, Hungarian Academy of Sciences, Budapest, Hungary; (2) Plant Protection Institute, University of West Hungary, Mosonmagyarovar, Hungary
3:30 p.m.
Biological control of invasive common ragweed, Ambrosia artemisiifolia L., with beneficial insect herbivores in China. F. WAN (1), Z. Zhou (1), J. Guo (1), L. Meng (2), B. Li (2), H. Chen (1). (1) Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, Peoples Rep of China; (2) College of Plant Protection, Nanjing Agricultural University, Nanjing, Peoples Rep of China
3:45 p.m.
A new disease of parsley (Petroselinum crispum) in California caused by a fluorescent pseudomonad related to Pseudomonas viridiflava. S. J. MAUZEY (1), C. D. Davis (2), O. M. Martins (3), S. T. Koike (4), C. T. Bull (5). (1) California State University, Monterey Bay, Undergraduate Research Opportunities Center, Seaside, CA, U.S.A.; (2) Hartnell College, Salinas, CA, U.S.A.; (3) Embrapa Genetic Resources and Biotechnology, Brasilia, Brazil; (4) University of California-Davis, Salinas, CA, U.S.A.; (5) USDA ARS, Salinas, CA, U.S.A.
1:00 – 4:15 p.m.
Section: IPM/Biocontrol/Plant Disease Management
Bacillus subtilis, strain QST 713: Soil applications for disease control, crop yield, and quality enhancement. P. WALGENBACH (1), M. Guilhabert (1), D. Warkentin (2), D. Long (3), D. Manker (1). (1) AgraQuest, Inc., Davis, CA, U.S.A.; (2) AgraQuest, Inc., Valdosta, GA, U.S.A.; (3) AgraQuest.com, Atlanta, GA, U.S.A.
Strategies of biological and symbiotic control of citrus variegated chlorosis by endophytic bacteria. P. T. LACAVA (1), C. S. Gai (2), T. A. Miller (3), J. S. Hartung (4), J. Azevedo (2). (1) Federal University of Alfenas - UNIFAL/MG, Alfenas, Brazil; (2) University of São Paulo, Piracicaba, Brazil; (3) University of California-Riverside, Riverside, CA, U.S.A.; (4) USDA-ARS, Beltsville, MD, U.S.A.
Characterization of bacteriophages PT21 and UASP infecting Ralstonia solanacearum: A potential biocontrol agent. M. K. PRASANNA KUMAR (1), A. N. A. Khan (2), K. N. Chandrashekar (3), S. V. Manjunath (4). (1) University of Agricultural Sciences, Mandya, India; (2) University of Agricultural Sciences, Bangalore, India; (3) Division of Biotechnology, Indian Institute of Horticulture Research (ICAR), Hessarghatta, Bangalore, India; (4) Dept. of Plant Pathology, College of Agriculture, University of Agricultural Sciences, GKVK, Bangalore, India
Managing potato scab and enhancing tuber yield with low rates of fish emulsion applied as a preplant soil amendment. P. A. ABBASI (1). (1) Agriculture & Agri-Food Canada, London, ON, Canada
Responses of Rhizoctonia spp. and Sclerotium hydrophilum to the plant extracts. S. AYE (1), M. Matsumoto (1). (1) Kyushu University, Fukuoka, Japan
A novel endophytic biocontrol agent of oomycete pathogens with the activity of plant growth promotion, resistance induction, and nitrogen fixation. F. Bibi (1), E. Chung (2), A. Khan (1), Y. CHUNG (1). (1) Gyeongsang National University, Division of Applied Life Science (BK 21), Plant Molecular Biology and Biotechnology Research Center, Jinju, Korea; (2) JGreen Inc., Dept. of Research & Development, Changnyeong, Korea
Use of silver nanoparticles for control of seedborne diseases. J. Cho (1), J. Thorkelson (1), H. Jeong (1), J. Rho (2), D. Shin (2), Y. JO (1). (1) Texas A&M University, College Station, TX, U.S.A.; (2) Rural Development Administration, Suwon, Korea
Systemic nematicidal activity of fluensulfone against the root-knot nematode Meloidogyne incognita on pepper. Y. OKA (1), S. Shuker (1), N. Tkachi (1). (1) Gilat Research Center, M. P. Negev, Israel
Relevance of the deposit structure for the biological efficacy of glyphosate as evaluated on four weed species. S. BASI (1), M. Hunsche (2), G. Noga (2). (1) University of Bonn, Bonn, Germany; (2) University of Bonn, INRES-Horticultural Science, Bonn, Germany
Glyphosate activity on plant diseases and potential impact on plant health and yield in Roundup Ready® cropping systems. F. KOHN (1), G. Baley (1), A. Dias (2), K. Kretzmer (1), S. Metz (1), A. Peper (3). (1) Monsanto Co., St. Louis, MO, U.S.A.; (2) Monsanto Co., Waterman, IL, U.S.A.; (3) Monsanto Co., Pergamino, Argentina
Suppression of bacterial panicle blight of rice by pretreatment with various chemical compounds. B. K. SHRESTHA (1), H. S. Karki (1), D. E. Groth (2), M. C. Rush (1), J. H. Ham (1). (1) Louisiana State University, Baton Rouge, LA, U.S.A.; (2) Louisiana State University AgCenter Rice Research Station, Crowley, LA, U.S.A.
4:00 p.m.
Evaluation of ningnanmycin for management of dollar spot and anthracnose in turfgrasses. B. MA (1), L. P. Tredway (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
Section: Molecular/Cellular/Plant-Microbe Interactions
Differential proteins and genes related to Curvularia lunata potential virulence variation induced continuously by resistant maize germplasm. J. CHEN (1). (1) Shanghai Jiaotong University, Shanghai, Peoples Rep of China
Identifying quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in two spring wheat populations. G. POOLE (1), R. Smiley (2), T. C. Paulitz (3), K. Garland-Campbell (3). (1) Washington State University, Pullman, WA, U.S.A.; (2) Oregon State University, Pendleton, OR, U.S.A.; (3) USDA-ARS, Pullman, WA, U.S.A.
Identification of a candidate resistance gene to Phakopsora pachyrhizi, the causal agent of soybean rust, in the alternative host kudzu, Pueraria spp. H. M. YOUNG (1), D. Liberti (2), P. Harmon (2), J. J. Marois (1), D. L. Wright (1). (1) University of Florida/NFREC, Quincy, FL, U.S.A.; (2) University of Florida, Gainesville, FL, U.S.A.
Linkage block and recombination suppression at the Pi-ta locus at the centromere region of rice chromosome 12. Y. JIA (1), M. H. Jia (1), G. Liu (2). (1) USDA-ARS Dale Bumpers National Rice Research Center, Stuttgart, AR, U.S.A.; (2) Texas A&M University System AgriLife Research and Extension Center, Beaumont, TX, U.S.A.
Characterization of the Pi-b rice blast resistance gene in the National Small Grains Collection (NSGC). M. ROYCHOWDHURY (1), Y. Jia (2), M. Jia (2), R. Fjellstrom (2), R. Cartwright (3). (1) University of Arkansas, Stuttgart, AR, U.S.A.; (2) ARS-USDA, Stuttgart, AR, U.S.A.; (3) University of Arkansas, Fayetteville, AR, U.S.A.
The rice blast fungus, Magnaporthe oryzae, copes with plant-generated reactive oxygen species through the virulence factor MoHYR1. K. HUANG (1), K. J. Czymmek (1), J. L. Caplan (2), J. A. Sweigard (3), N. M. Donofrio (1). (1) University of Delaware, Newark, DE, U.S.A.; (2) Delaware Biotechnology Institute, Newark, DE, U.S.A.; (3) DuPont Stine-Haskell, Newark, DE, U.S.A.
Small RNAs of Magnaporthe oryzae, and the role of different sRNA biosynthetic genes on pathogenicity. V. RAMAN (1), S. A. Simon (1), A. Romag (1), F. Demirci (1), J. Zhai (1), B. C. Meyers (1), N. M. Donofrio (1). (1) University of Delaware, Newark, DE, U.S.A.
The transcription factor Amr1 induces melanin biosynthesis and conidium production but differentially suppresses virulence in Alternaria brassicicola. Y. CHO (1). (1) University of Hawaii-Manoa, Honolulu, HI, U.S.A.
The role of phytohormones in the interaction between Theobroma cacao pods and Moniliophthora perniciosa, causal agents of witches’ broom. R. L. MELNICK (1), J. Marelli (2), B. A. Bailey (1). (1) USDA ARS, Beltsville, MD, U.S.A.; (2) Mars Center for Cocoa Science, Fazenda Almirante, Bahia, Brazil
Transgenic rice with inducible overproduction of ethylene exhibits broad-spectrum disease resistance. E. E. HELLIWELL (1), Q. Wang (2), Y. Yang (2). (1) Pennsylvania State University, State College, PA, U.S.A.; (2) Pennsylvania State University, University Park, PA, U.S.A.
The heritability of virulence to pine in Gibberella circinata. S. L. SLINSKI (1), T. R. Gordon (1). (1) University of California, Davis, CA, U.S.A.
8:30 – 11:45 a.m.
Section: Diseases of Plants
8:30 a.m.
Potential of Furrier transform infra-red (FTIR) spectroscopy for differentiation of phytopathogens. A. POMERANTZ (1), A. Salman (2), S. Mordechai (1), M. Huleihal (1). (1) Ben-Gurion University of the Negev, Beer-Sheva, Israel; (2) SCE-Sami Shamoon College of Engineering, Beer-Sheva, Israel
8:45 a.m.
Blue-green and chlorophyll fluorescence-based differentiation between simultaneously occurring N deficiency and pathogen infection in winter wheat. K. Buerling (1), M. HUNSCHE (1), G. Noga (1). (1) University of Bonn, INRES-Horticultural Sciences, Bonn, Germany
9:00 a.m.
Grapevines infected with powdery mildew emit specific volatile organic compounds that can be utilized for pathogen detection. A. M. SUTHERLAND (1), O. Fiehn (1), K. McCabe (2), R. Wingo (2), W. D. Gubler (1). (1) University of California-Davis, Davis, CA, U.S.A.; (2) Los Alamos National Laboratory, Los Alamos, NM, U.S.A.
9:15 a.m.
Detection, diversity, and molecular characterization of closteroviruses infecting Hawaiian ti (Cordyline fruticosa L.). M. MELZER (1), J. Sugano (1), D. Sether (1), W. Borth (1), J. Hu (1). (1) University of Hawaii, Honolulu, HI, U.S.A.
9:30 a.m.
Alternanthera mosaic virus identified in clock vine in Florida. A. VITORELI (1), C. A. Baker (2), C. L. Harmon (3). (1) University of Florida Dept. of Plant Pathology Extension Plant Disease Clinic, Gainesville, FL, U.S.A.; (2) Florida Dept. of Agriculture and Consumer Services, Division of Plant Industry, Gainesville, FL, U.S.A.; (3) University of Florida, Dept. of Plant Pathology and Southern Plant Diagnostic Network, Gainesville, FL, U.S.A.
9:45 a.m.
Bacterial spot (Xanthomonas cucurbitae): An emerging disease of pumpkin in Illinois. M. BABADOOST (1), A. Ravanlou (2). (1) University of Illinois, Urbana, IL, U.S.A.; (2) Dept. of Crop Sciences, University of Illinois, Urbana, IL, U.S.A.
10:00 a.m.
10:15 a.m.
Development of a species-specific PCR assay to identify the cereal cyst nematode Heterodera filipjevi. G. YAN (1), R. W. Smiley (1), P. A. Okubara (2). (1) Oregon State University, Columbia Basin Agricultural Research Center., Pendleton, OR, U.S.A.; (2) USDA ARS, Root Disease and Biological Control Research Unit, Pullman, WA, U.S.A.
10:30 a.m.
Application of a real-time PCR assay for detection of eastern filbert blight in hazelnut breeding. T. J. MOLNAR (1), N. Zhang (1). (1) Rutgers University, New Brunswick, NJ, U.S.A.
10:45 a.m.
Monilinia species in China—Surprising facts. M. Hu (1), K. D. Cox (2), G. Schnabel (3), C. LUO (1). (1) Huazhong Agricultural University, Wuhan, Peoples Rep of China; (2) Cornell University, Geneva, NY, U.S.A.; (3) Clemson University, Clemson, SC, U.S.A.
11:00 a.m.
Species identification of the causal agent of Eutypa dieback of grapevine in northeastern U.S. and southeastern Canadian vineyards. P. E. ROLSHAUSEN (1), K. Baumgartner (2), R. Travadon (3), P. Fujiyoshi (3), N. Mahoney (4), R. Molyneux (5), W. Wilcox (6). (1) University of California, Riverside, CA, U.S.A.; (2) USDA-ARS, Davis, CA, U.S.A.; (3) University of California, Davis, CA, U.S.A.; (4) USDA-ARS, Albany, CA, U.S.A.; (5) University of Hawaii, Hilo, HI, U.S.A.; (6) Cornell University, Geneva, NY, U.S.A.
11:15 a.m.
MALDI-TOF mass spectrometry: Applications for rapid bacterial identification and phylogenetic analysis. J. F. Pothier (1), V. Pflueger (2), D. Ziegler (3), M. Tonolla (4), G. Vogel (3), B. DUFFY (1). (1) Agroscope Changins-Wädenswil ACW, Wädenswil, Switzerland; (2) Agroscope Changins-Wädenswil ACW/Mabritec AG, Riehen, Switzerland; (3) Mabritec AG, Riehen, Switzerland; (4) Istituto Cantonale di Microbiologia, Microbiology Unit, BIVEG, Bellinzona, Switzerland
11:30 a.m.
Development of a qPCR assay for quantification of Verticillium dahliae in spinach seed. D. DURESSA (1), G. Rauscher (2), B. Mou (1), R. Hayes (1), S. T. Koike (3), K. Maruthachalam (3), K. V. Subbarao (4), S. J. Klosterman (1). (1) USDA-ARS, Salinas, CA, U.S.A.; (2) Pioneer-Dupont, Wilmington, NC, U.S.A.; (3) University of California-Davis, Salinas, CA, U.S.A.; (4) University of California, Davis, CA, U.S.A.
8:30 – 11:30 a.m.
Section: Epidemiology/Ecology/Environmental Biology of Pathogens
Pycnidial development and pycnidiospore germination of Botryosphaeriaceae species as influenced by temperature. L. COSTADONE (1), A. Sutherland (1), W. D. Gubler (1). (1) University of California, Davis, CA, U.S.A.
Identification of a novel fruiting structure produced by Aspergillus niger and A. carbonarius in grape berries affected by sour rot. C. PISANI (1), W. D. Dubler (1). (1) University of California-Davis, Davis, CA, U.S.A.
Modelling of Guignardia pseudothecium maturation and ascospore dispersal in citrus orchards. P. H. FOURIE (1), G. C. Schutte (2), S. Serfontein (3), S. H. Swart (3). (1) Citrus Research International, Stellenbosch, Rep of South Africa; (2) Citrus Research International, Nelspruit, Rep of South Africa; (3) QMS Agriscience, Tzaneen, Rep of South Africa
Temporal and spatial spread of cucurbit downy mildew in the eastern United States. P. OJIAMBO (1), G. Holmes (2). (1) North Carolina State University, Raleigh, NC, U.S.A.; (2) Valent U.S.A. Corporation, Cary, NC, U.S.A.
Epidemiological studies on Blackberry chlorotic ringspot virus. B. POUDEL (1), A. G. Laney (1), I. E. Tzanetakis (1). (1) University of Arkansas, Fayetteville, AR, U.S.A.
Differential effects of host plants on accumulation, competition, and transmission of curtoviruses from single and mixed infections. W. M. WINTERMANTEL (1). (1) USDA ARS, Salinas, CA, U.S.A.
Molecular typing of Potato virus Y isolates from Brazil reveals a history of introduction of necrotic strains. S. B. Galvino-Costa (1), A. D. FIGUEIRA (1), P. S. Geraldino (1), O. V. Nikolaeva (2), A. Karasev (2). (1) Universidade Federal de Lavras, Lavras - MG, Brazil; (2) University of Idaho, Moscow, ID, U.S.A.
The cryptic dimension of host-pathogen interactions: Physiological impacts of Fusarium circinatum infection on symptomless Pinus radiata. C. L. SWETT (1), T. R. Gordon (1). (1) University of California, Davis, CA, U.S.A.
Disease progress of thousand cankers disease in Oregon. J. PSCHEIDT (1). (1) Oregon State University, Corvallis, OR, U.S.A.
Nature of Ceratocystis smalleyi–Scolytus quadrispinosus interactions on stems of bitternut hickory with declining crowns. J. JUZWIK (1), M. Banik (2). (1) USDA Forest Service, St. Paul, MN, U.S.A.; (2) USDA Forest Service, Madison, WI, U.S.A.
Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala. S. HECKERT (1), J. W. Pscheidt (1), J. K. Stone (1), S. A. Cluskey (1). (1) Oregon State University, Corvallis, OR, U.S.A.
Seasonal distribution of SI fungicide resistance in apple scab populations in Virginia. S. C. MARINE (1), D. G. Schmale (2), K. S. Yoder (1). (1) Virginia Tech, Winchester, VA, U.S.A.; (2) Virginia Tech, Blacksburg, VA, U.S.A.
Multiple resistance phenotypes of Botrytis cinerea in apple orchards and effects on control of gray mold in stored apples with postharvest fungicides. Y. KIM (1), C. Xiao (1). (1) Washington State University, TFREC, Wenatchee, WA, U.S.A.
Evidence for multiple fungicide resistance in field populations of Venturia inaequalis. H. K. NGUGI (1), K. D. Cox (2), S. M. Villani (2), W. Köller (2). (1) Dept. of Plant Pathology, Pennsylvania State University, Biglerville, PA, U.S.A.; (2) Dept. of Plant Pathology and Plant-Microbe Biology, Cornell University, Geneva, NY, U.S.A.
Fungicide sensitivity of Podosphaera xanthii and efficacy of fungicides with resistance risk for cucurbit powdery mildew in New York in 2010. M. T. MCGRATH (1), L. K. Hunsberger (1). (1) Cornell University, Riverhead, NY, U.S.A.
Practical resistance to fenhexamid Botrytis cinerea isolates from grapevines in New York. S. SAITO (1), L. Cadle-Davidson (2), W. F. Wilcox (1). (1) Cornell University NYSAES, Geneva, NY, U.S.A.; (2) ARS USDA, Geneva, NY, U.S.A.
Development of a PCR-based assay for detection of resistance to QoI fungicides in Asochyta rabiei. R. S. GOSWAMI (1), J. A. Delgado (1), T. C. Lynnes (1), S. W. Meinhardt (1), S. G. Markell (1). (1) North Dakota State University, Fargo, ND, U.S.A.
IR-4 project fungicide registration on specialty crops update. D. C. THOMPSON (1). (1) Rutgers University, Princeton, NJ, U.S.A.
Fungicidal efficacy of oxysilver nitrate and sodium diperiodatoargentate (III) for control of seedborne and foliar diseases. M. W. HARDING (1), R. J. Howard (2), M. E. Olson (3). (1) Innovotech Inc., Brooks, AB, Canada; (2) Alberta Agriculture and Rural Development, Brooks, AB, Canada; (3) Innovotech Inc., Edmonton, AB, Canada
Field efficacy of novel fungicides for the control of Sclerotium cepivorum in California. A. E. FERRY (1), M. Davis (1). (1) University of California-Davis, Davis, CA, U.S.A.
Effect of presowing soil-incorporated treatments on Alternaria radicina in carrot, Daucus carota. R.S. Trivedi (1), J. M. TOWNSHEND (2), J. G. Hampton (1), M. V. Jaspers (1), H. J. Ridgway (1). (1) Lincoln University, Lincoln, New Zealand; (2) Midlands Seed Ltd., Ashburton, New Zealand
Economic analysis of small plot and on-farm fungicide trials on soybean in Iowa. N. R. BESTOR (1), D. S. Mueller (1), A. E. Robertson (1). (1) Iowa State University, Ames, IA, U.S.A.
Uptake and translocation of penthiopyrad fungicide in wheat leaves and correlation to fungicidal control of key foliar diseases. J. R. PILS (1), S. G. Smith (1), C. P. Shepherd (1), R. M. Geddens (1). (1) DuPont-Crop Protection, Newark, DE, U.S.A.
Evaluation of ten leguminous cover crops as cryptic hosts supporting the development and survival of Verticillium dahliae. M. G. LLOYD (1), T. Gordon (1). (1) University of California, Davis, CA, U.S.A.
Increases in snap bean and soybean seedling diseases associated with a chloride salt and changes in the micro-partitioning of taproot calcium. C. H. CANADAY (1), P. Donald (2), A. Mengistu (2). (1) University of Tennessee, Jackson, TN, U.S.A.; (2) Crop Genetics Research Unit, USDA-ARS, Jackson, TN, U.S.A.
Use of plastic and spray mulches to manage insects vectoring plant viruses. J. NUNEZ (1). (1) University of California Cooperative Extension, Bakersfield, CA, U.S.A.
High planting combined with root collar excavation extends life of peach trees on Armillaria root rot-infested replant sites. G. SCHNABEL (1). (1) Clemson University, Clemson, SC, U.S.A.
Mating disruption for Planococcus ficus S.: How to successfully initiate a novel sustainable control tool. J. L. MIANO (1), V. C. Becerra (2), M. F. Gonzalez (2). (1) INTA, Luján de Cuyo - Mendoza, Argentina; (2) INTA, Luján de Cuyo, Argentina
PGPR-mediated IPM for tropical vegetables in south India. R. SAMIYAPPAN (1), E. Jonathan (1), S. Mohankumar (1), T. Raguchander (1), G. Karthikeyan (1). (1) TNAU, Coimbatore, India
Comparing the efficiency of visual scouting, spore trapping systems, and a bioindicator for early detection of Erysiphe necator in California vineyards. F. PEDUTO (1), A. M. Sutherland (1), E. K. Hand (1), J. C. Broome (1), P. D. Parikh (1), L. J. Bettiga (2), R. J. Smith (3), W. F. Mahaffee (4), W. D. Gubler (1). (1) University of California, Davis, CA, U.S.A.; (2) UC Cooperative Extension Monterey County, Salinas, CA, U.S.A.; (3) UC Cooperative Extension Sonoma County, Santa Rosa, CA, U.S.A.; (4) USDA-ARS HCRL, Corvallis, OR, U.S.A.
Eradicating grapevine disease with minimal economic impact. M. R. SOSNOWSKI (1), W. F. Wilcox (2), R. W. Emmett (3), T. J. Wicks (1). (1) South Australian Research and Development Institute (SARDI), Adelaide, Australia; (2) Cornell University, Geneva, NY, U.S.A.; (3) Dept. of Primary Industries, Victoria, Mildura, Australia
Alternative control of citrus black fly, Aleurocanthus woglumi Ashby, 1915, in the northeast of Brazil. R. A. CARVALHO (1). (1) EMEPA-PB, João Pessoa, Brazil
Comparison of pecan scab predictions in Oklahoma using weather inputs from the National Weather Service, the Oklahoma Mesonet, and onsite-monitoring. A. PAYNE (1), D. L. Smith (1). (1) Oklahoma State University, Stillwater, OK, U.S.A.
Is there any other elixir of life on this planet? V. KURUCHEVE (1). (1) Annamalai University, Chidambaram, India
Characterizing microbial communities of potato common scab-suppressive soil using pyrosequencing. N. ROSENZWEIG (1), J. Hao (1). (1) Michigan State University, East Lansing, MI, U.S.A.
Effect of huanglongbing on the structure and functional diversity of microbial communities associated with citrus rhizosphere. P. TRIVEDI (1), Z. He (2), J. D. Van Nostrand (2), J. Zhou (2), G. Albrigo (3), N. Wang (1). (1) Citrus Research and Education Center, Dept. of Microbiology and Cell Science, University of Florida, Lake Alfred, FL, U.S.A.; (2) Dept. of Botany and Microbiology, Institute for Environmental Genomics, University of Oklahoma, Norman, OK, U.S.A.; (3) Citrus Research and Education Center, University of Florida, Lake Alfred, FL, U.S.A.
Marker-assisted selection improves the efficiency of bioprospecting and results in the recovery of novel biocontrol bacteria. J. Park (1), S. Lee (1), J. Lee (1), S. Han (1), J. Kim (2), Y. Kim (3), B. MCSPADDEN GARDENER (4). (1) Chonnam National University, Gwangju, South Korea; (2) Korea Research Institute of Chemical Technology, Daejeon, South Korea; (3) Ohio State University, Wooster, OH, U.S.A.
Isolation of double-stranded RNA mycoviruses in Macrophomina phaseolina isolates in Iran. S. SOUZANI (1), B. Mahmoudi (2), M. Hashemi (3), H. Zamanizadeh (1). (1) Dept. of Plant Pathology, Science and Research Branch, Islamic Azad University, Tehran, Iran; (2) Sugar Beet Seed Institute, Karaj, Iran; (3) Seed and Plant Improvement Institute, Karaj, Iran
454-Pyrosequencing reveals the influence of organic and conventional farming systems on beneficial bacterial communities to enhance plant health. R. Li (1), D. G. FERNANDO (1), T. de Kievit (1), M. Entz (1), E. Khafipour (1), D. Krause (1). (1) University of Manitoba, Winnipeg, MB, Canada
Community structure of Aspergillus flavus and persistence of the atoxigenic strain A. flavus AF36 in applied fields. R. JAIME (1), P. J. Cotty (2). (1) University of Arizona, Tucson, AZ, U.S.A.; (2) USDA-ARS, University of Arizona, Tucson, AZ, U.S.A.
Forest products protection: From chemical to biological roadways. D. YANG (1). (1) FPInnovations, Quebec City, QC, Canada
Characterization of Pythium nunn newly recorded in Japan on antagonistic activity against P. ultimum and P. aphanidermatum. M. TOJO (1), S. Kobayashi (1), N. Tsujita (1), S. Uzuhashi (2). (1) Osaka Prefecture University, Sakai, Japan; (2) Agriculture & Agri-Food Canada, Saskatoon, SK, Canada
Biocontrol potential and plant growth promotional activity of actinomycetes isolated from various herbal vermicomposts. S. GOPALAKRISHNAN (1), P. Humayun (1), K. Deepthi (1). (1) ICRISAT, Hyderabad, India
Reduction of aflatoxins, cyclopiazonic acid, and fumonisins in corn by biocontrol strains of non-aflatoxigenic Aspergillus flavus. H. ABBAS (1), B. Horn (2), M. Weaver (3), X. Jin (3), C. Abel (4), W. T. Shier (5). (1) USDA ARS CG&PRU, Stoneville, MS, U.S.A.; (2) National Peanut Research Laboratory, USDA, ARS, Dawson, GA, U.S.A.; (3) USDA ARS, Biological Control of Pests Research Unit, Stoneville, MS, U.S.A.; (4) USDA-ARS Corn Insects and Crop Genetics Research Unit, Ames, IA, U.S.A.; (5) Dept. of Medicinal Chemistry, University of Minnesota, Minneapolis, MN, U.S.A.
Potential of Paecilomyces lilacinus strain 251 to control the root-knot nematode Meloidogyne enterolobii, a new quarantine species for the EPPO region. S. KIEWNICK (1). (1) Agroscope Changins, Waedenswil, Switzerland
Genetic diversity of Potato virus YO and origin of recombinant PVY strains. A. V. KARASEV (1), X. Hu (2), C. J. Brown (1), C. Kerlan (1), O. V. Nikolaeva (1), J. M. Crosslin (3), S. M. Gray (4). (1) University of Idaho, Moscow, ID, U.S.A.; (2) SAIC-Frederick, Inc., Frederick, MD, U.S.A.; (3) USDA-ARS, Prosser, WA, U.S.A.; (4) USDA-ARS, Ithaca, NY, U.S.A.
A novel type of Potato virus Y recombinant genome. S. B. GALVINO-COSTA (1), A. R. Figueira (1), X. Hu (2), C. Kerlan (3), A. V. Karasev (3). (1) University of Lavras, Lavras, Brazil; (2) SAIC, Inc., Frederick, MD, U.S.A.; (3) University of Idaho, Moscow, ID, U.S.A.
Systemic infection of coffee plants (Coffea arabica L.) by Tobacco mosaic virus. C. A. ANGEL (1), A. L. Gaitán (2), J. E. Schoelz (3). (1) Division of Plant Sciences, University of Missouri, Columbia, MO, U.S.A./Centro Nacional de Investigaciones de Café CENICAFE, Chinchiná, Caldas, Colombia; (2) Centro Nacional de Investigaciones de Café - CENICAFE, Chinchiná, Colombia; (3) Division of Plant Sciences, University of Missouri, Columbia, MO, U.S.A.
Usefulness of a high-throughput transient expression system to test virus-derived genetic constructs for resistance against Grapevine fanleaf virus. J. E. OLIVER (1), M. Fuchs (1). (1) Cornell University NYSAES, Geneva, NY, U.S.A.
Genome sequence of an unassigned Citrus tristeza virus genotypic isolate from Puerto Rico reveals a trifoliate resistance breaking genotype. A. ROY (1), N. Choudhary (1), J. S. Hartung (2), R. H. Brlansky (1). (1) University of Florida, Lake Alfred, FL, U.S.A.; (2) USDA-ARS, Beltsville, MD, U.S.A.
Citrus-CTV molecular interactions: What is the host side of the story? H. DODDAPANENI (1), M. Saponari (2), A. Giampetruzzi (3), G. Loconsole (3), P. Saldarelli (2), R. K. Yokomi (4). (1) Carver Center for Genomics, Dept. of Biology, The University of Iowa, Iowa City, IA, U.S.A.; (2) CNR, Institute of Plant Virology, Bari, Italy; (3) Agriculture Faculty, University of Bari, Bari, Italy; (4) USDA, ARS, Parlier, CA, U.S.A.
A DNA virus in grapevine and its association with vein-clearing and vine decline syndrome. Y. ZHANG (1), K. Singh (1), M. Xu (1), W. Qiu (1). (1) Missouri State University, William H. Darr School of Agriculture, Mountain Grove, MO, U.S.A.
Grapevine leafroll-associated virus 1 occurs as genetically diverse populations in wine grape cultivars. O. J. ALABI (1), M. Al Rwahnih (2), G. Karthikeyan (3), S. Poojari (1), M. F. Fuchs (4), A. Rowhani (2), R. A. Naidu (1). (1) Washington State University, Prosser, WA, U.S.A.; (2) University of California-Davis, Davis, CA, U.S.A.; (3) Washington State University, IAREC, Prosser, WA, U.S.A.; (4) Cornell University, Geneva, NY, U.S.A.
Engineering Grapevine fanleaf virus into a plant expression vector. J. GOTTULA (1), E. Vigne (2), C. Keichinger (3), C. Ritzenthaller (3), M. Fuchs (1). (1) Cornell University, Geneva, NY, U.S.A.; (2) INRA, Colmar, France; (3) IBMP, Strasbourg, France
Creation of an infectious clone for a member of Foveavirus infecting grapevine and its potential use as a VIGS vector for functional genomics. B. MENG (1), C. Li (1), W. Wang (2), M. Mawassi (3). (1) Dept. of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada; (2) University of Guelph, Guelph, ON, Canada; (3) Plant Protection Institute, Agricultural Research Organization, Bet-Dagan, Israel
Deep sequencing of small RNAs for virus and viroid identification in tomatoes. K. LING (1), Z. Fei (2), W. P. Wechter (1), A. G. Hernamdez (3). (1) USDA-ARS, Charleston, SC, U.S.A.; (2) USDA, ARS, BTI, Cornell University, Ithaca, NY, U.S.A.; (3) University of Illinois at Urbana-Champaign, Urbana, IL, U.S.A.
Section: Biology of Plant Pathogens
Evolution of mode of infection in the rice blast fungus and allied species. N. ZHANG (1), S. Zhao (1). (1) Rutgers University, New Brunswick, NJ, U.S.A.
Evidence of genetic diversity and heterothallism in Sclerotinia homoeocarpa, the causal agent of dollar spot disease on turfgrass. D. LIBERTI (1), J. A. Rollins (1), P. F. Harmon (1). (1) University of Florida, Gainesville, FL, U.S.A.
Anthracnose disease of Capsicum spp. P. W. TAYLOR (1), O. Mongkolporn (2). (1) University of Melbourne, Melbourne, Australia; (2) Kasetsart University, Kamphaeng Saen, Thailand
Correlation of environmental and edaphic factors to the isolation frequency of Rhizoctonia and Chrysorhiza from seashore paspalum. S. J. KAMMERER (1), P. F. Harmon (1). (1) University of Florida, Gainesville, FL, U.S.A.
Aflatoxin-producing fungi in maize fields of Sonora, Mexico, at varying elevations: A three-year study. A. ORTEGA-BELTRAN (1), R. Jaime-Garcia (1), P. J. Cotty (2). (1) University of Arizona, Tucson, AZ, U.S.A.; (2) USDA ARS/University of Arizona, Tucson, AZ, U.S.A.
Determination of presumptive vegetative compatibility groups of Verticillium dahliae occurring on sunflower using molecular markers. K. M. ALANANBEH (1), N. C. Gudmestad (1), T. J. Gulya (2), S. Markell (1). (1) North Dakota State University, Fargo, ND, U.S.A.; (2) USDA-ARS NCSL, Fargo, ND, U.S.A.
Analyses of nuclear and mitochondrial sequences reveal an ancient split in the evolutionary history of Verticillium dahliae. Z. K. ATALLAH (1), K. Maruthachalam (1), L. E. Radmer (2), F. N. Martin (2), S. J. Klosterman (2), K. V. Subbarao (1). (1) University of California-Davis, Salinas, CA, U.S.A.; (2) USDA-ARS, Salinas, CA, U.S.A.
Laurel wilt of avocado: Relationships among disease severity, water conduction, and the spatial distribution of Raffaelea lauricola. S. A. INCH (1), R. Ploetz (1). (1) University of Florida, Homestead, FL, U.S.A.
First report of Raffaelea canadensis showing laurel wilt disease symptoms on avocado in California. A. ESKALEN (1), V. McDonald (1). (1) University of California, Riverside, CA, U.S.A.
Interactions between Fusarium root rot pathogens and Heterodera glycines on soybean roots. M. DIAZ-ARIAS (1), G. L. Tylka (1), L. Leandro (1), G. Munkvold (1). (1) Iowa State University, Ames, IA, U.S.A.
Innate response in tissue-cultured Anthurium andraeanum against Radopholus similis. Y. MAKIMOTO (1), B. Sipes (1). (1) University of Hawaii at Manoa, Honolulu, HI, U.S.A.
Virulence diversity of international collections of the wheat stripe rust pathogen, Puccinia striiformis f. sp. tritici. D. SHARMA-POUDYAL (1), X. Chen (2). (1) Washington State University, Pullman, WA, U.S.A.; (2) USDA-ARS, Wheat Genetics, Quality, Physiology, and Disease Research Unit, Pullman, WA, U.S.A.
Fungi in Botryosphaeriaceae causing stem blight in the southeast and latent infection in southern highbush blueberry propagative material. A. F. WRIGHT (1). (1) University of Florida, Gainesville, FL, U.S.A.
Calosphaeria canker of sweet cherry in California. F. P. TROUILLAS (1), F. Peduto (1), J. A. Grant (2), W. D. Gubler (1). (1) University of California-Davis, Davis, CA, U.S.A.; (2) University of California-Davis, Stockton, CA, U.S.A.
Pre- and post-anthesis activity of fenbuconazole and triforine against blueberry flower infection by Monilinia vaccinii-corymbosi. S. THOMAS (1), H. Scherm (1). (1) University of Georgia, Athens, GA, U.S.A.
Report of chlorotic ringspot disease on peanuts caused by Tomato yellow fruit ring virus in Iran. A. GOLNARAGHI (1), R. Pourrahim (2), S. Farzadfar (2), K. Ohshima (3). (1) Dept. of Plant Protection, College of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran; (2) Dept. of Plant Virology, Iranian Institute of Plant Protection, Tehran, Iran; (3) Laboratory of Plant Virology, Dept. of Applied Biological Sciences, Saga University, Saga, Japan
Comparative study of Pythium species causing carrot cavity spot in California and Michigan. X. H. LU (1), R. M. Davis (2), J. J. Hao (1). (1) Michigan State University, East Lansing, MI, U.S.A.; (2) University of California-Davis, Davis, CA, U.S.A.
SSR markers closely linked with a major QTL on chromosome 12 associated with resistance to phylotype I strains of Ralstonia solanacearum in tomato. J. WANG (1), F. Ho (1), H. Truong (1), S. Huang (1), V. Dittapongpitch (2), N. Hidayati (3). (1) AVRDC-The World Vegetable Center, Shanhua, Tainan, Taiwan Rep of China; (2) East-West Seed Thailand, Amphur Sainoi, Nonthaburi, Thailand; (3) East-West Seed Indonesia, Purwakarta, Indonesia
Prevalence and aggressiveness of Alternaria solani and A. alternata on potato in the Columbia Basin of the Pacific Northwest. L. S. TYMON (1), D. A. Johnson (1). (1) Washington State University, Pullman, WA, U.S.A.
Survey of Potato virus Y isolates in potato in Chihuahua, Mexico. L. Robles-Hernandez (1), A. C. GONZALEZ-FRANCO (1), J. Hernandez-Huerta (1), T. M. Meacham (2), A. V. Karasev (2). (1) Universidad Autonoma de Chihuahua, Chihuahua, Mexico; (2) University of Idaho, Moscow, ID, U.S.A.
Sexual reproduction of Pseudoperonospora cubensis. Y. COHEN (1), A. Rubin (1), M. Galperin (1). (1) Bar-Ilan University, Ramat-Gan, Israel
Blackstain root disease effects on foliar nutrients, chlorophyll content, and internodal growth in ponderosa pine. W. OTROSINA (1), S. Sung (2), J. Kliejunas (3), W. Woodruff (4), P. Spaine (5). (1) USDA Forest Service, Athens, GA, U.S.A.; (2) USDA Forest Service, Pineville, LA, U.S.A.; (3) USDA Forest Service, Kent, WA, U.S.A.; (4) USDA Forest Service, Susanville, CA, U.S.A.; (5) USDA APHIS, Riverdale, MD, U.S.A.
The potency of fungal antagonists to combat root rot in industrial Acacia mangium plantation. MUCHARROMAH (1), E. Maria (1), Shintami (1), Junarto (2), S. Oktarina (2). (1) Agriculture College University of Bengkulu, Bengkulu, Indonesia; (2) PT Musi Hutan Persada, South Sumatera, Indonesia
8:30 – 11:00 a.m.
Using phenotypic markers to identify common beans with two and three rust resistance genes. M. A. PASTOR-CORRALES (1), J. M. Osorno (2), S. G. Markell (2), R. S. Goswami (2). (1) USDA ARS, Beltsville, MD, U.S.A.; (2) North Dakota State University, Fargo, ND, U.S.A.
Resistance of Brachiaria genotypes to Rhizoctonia spp. E. ALVAREZ (1), M. Latorre (1). (1) CIAT, Cali, Colombia
Sources of resistance to Phytophthora fruit rot in watermelon plant introductions. C. S. KOUSIK (1). (1) U.S. Vegetable Laboratory, USDA, ARS, Charleston, SC, U.S.A.
Components of resistance to Phytophthora nicotianae in doubled-haploid lines of tobacco possessing a novel source of resistance. K. R. LANNON (1), D. Shew (1), R. S. Lewis (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
Molecular cloning and characterization of the immunosuppressive protein from the surface coat of Steinernema glaseri. H. ZENG (1), D. Qiu (1), X. Yang (1), H. Yang (1). (1) Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, Peoples Rep of China
Novel heat-stable protein elicitor from Alternaria tenuissima activates plants resistance and growth. D. QIU (1), H. Zeng (1), X. Yang (1), L. Guo (1). (1) Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, Peoples Rep of China
A new approach to manage phytoplasma diseases: Field treatments with resistance inducers to contain grapevine Bois noir. G. ROMANAZZI (1), S. Murolo (1), L. Landi (1), E. Feliziani (1). (1) Marche Polytechnic University, Ancona, Italy
Identification of small molecule inhibitors against SecA of 'Candidatus Liberibacter asiaticus' by molecular modeling studies. N. AKULA (1), P. Trivedi (1), N. Wang (1). (1) University of Florida, Lake Alfred, FL, U.S.A.
Effect of vulculic acid produced by Nimbya alternantherae on chloroplast function of alligatorweed. M. XIANG (1), L. Wang (1). (1) Zhongkai University of Agriculture & Engineering, Guangzhou, Peoples Rep of China
Section: Entomology
Further spread of and domination by Bemisia tabaci biotype Q on field crops in China. Y. ZHANG (1), H. Pan (1). (1) Institute of Vegetables and Flowers, Beijing, PRC Peoples Rep of China
Overseas migration affects the status of insecticide resistance in domestic populations of the small brown planthopper, Laodelphax striatellus. S. SANADA-MORIMURA (1), S. Sakumoto (2), R. Ohtsu (3), A. Otuka (1), M. Matsumura (1). (1) National Agricultural Research Center for Kyushu Okinawa Region, Koshi, Japan; (2) Kumamoto Prefectural Agricultural Research Center, Koshi, Japan; (3) Nagasaki Plant Protection Station, Isahaya, Japan
Resistance selection and risk assessment of fenpropathrin against Panonychus citri (Acari: Tetranychidae). J. WANG (1), H. He (1), W. Dou (1), H. Liu (1), Z. Zhao (1). (1) Southwest University, Chongqing, Peoples Rep of China
Spatial and temporal patterns of insect damage and aflatoxin contamination in corn at preharvest. X. NI (1). (1) USDA-ARS Crop Gentics and Breeding Research Unit, Tifton, GA, U.S.A.
A commercial extract of the brown seaweed Ascophyllum nodosum suppresses thrips in peppers, cucumbers, and hass avocados. W. Neily (1), D. Holden (2), R. E. ROSS (3). (1) Acadian Seaplants Limited, Clemensport, NS, Canada; (2) Holden Research and Consulting, Camarillo, CA, U.S.A.; (3) Acadian Sea Plants Limited, Monroe, NC, U.S.A.
Transmission of the opportunistic cotton (Gossypium hirsutum L.) boll pathogen Pantoea agglomerans by the brown stink bug (Euschistus servus Say). E. G. MEDRANO (1), J. F. Esquivel (2), A. A. Bell (1). (1) USDA-ARS Cotton Pathology Research Unit, College Station, TX, U.S.A.; (2) USDA-ARS Areawide Pest Management Research Unit, College Station, TX, U.S.A.
Effect of barley chromosome addition to wheat on the preference and performance of the migratory locust Locusta migratoria (Orthoptera: Acrididae). M. TOKUDA (1), S. Tanaka (2), K. Harano (2), K. Kawaura (3), Y. Ogihara (3). (1) Kyushu University, Fukuoka, Japan; (2) National Institute of Agrobiological Sciences at Ohwashi, Tsukuba, Japan; (3) Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan
Localization of 'Candidatus Liberibacter asiaticus' associated with huanglongbing in various organs of its psyllid vector using FISH and Q-PCR. E. AMMAR (1), R. G. Shatters (1), D. G. Hall (1). (1) USDA-ARS, Fort Pierce, FL, U.S.A.
Seasonal variation of 'Candidatus Liberibacter asiaticus' in citrus branches and in vector, Diaphorina citri, in central Florida sweet orange groves. V. PARKUNAN (1), T. Ebert (1), N. Wang (1), M. Rogers (1), M. Dewdney (1). (1) University of Florida Citrus Research and Education Center, Lake Alfred, FL, U.S.A.
Raspberry latent virus a plant reovirus that is aphid transmitted in a replicative persistent manner. D. F. QUITO-ALVA (1), R. R. Martin (2). (1) Oregon State University, Corvallis, OR, U.S.A.; (2) USDA ARS, Corvallis, OR, U.S.A.
Localization of Banana bunchy top virus within the aphid vector, Pentalonia nigronervosa, as revealed by immunofluorescence, TEM, and PCR assays. A. Bressan (1), S. WATANABE (2). (1) University of Hawaii, Honolulu, HI, U.S.A.
1:00 – 3:45 p.m.
Comparative genomic analysis of Xanthomonas axonopodis pv. citrumelo strain FL-1195 and closely related bacteria. N. JALAN (1), V. Aritua (1), N. Wang (2). (1) University of Florida, Lake Alfred, FL, U.S.A.
Identification of genes involved in biofilm formation using an EZ-Tn5 mutant library of Xanthomonas citri subsp. citri strain 306. J. LI (1), N. Wang (2). (1) University of Florida, Lake Alfred, FL, U.S.A.; (2) Citrus Research and Education Center, Dept. of Microbiology and Cell Science, University of Florida, Lake Alfred, FL, U.S.A.
Genome-wide identification of virulence factors of citrus canker pathogen Xanthomonas citri subsp. citri using a transposon mutagenesis strategy. Q. YAN (1), N. Wang (1). (1) University of Florida, Lake Alfred, FL, U.S.A.
Functional characterization of the PidS/PidR two-component regulatory system of Burkholderia glumae. H. S. KARKI (1), I. K. Barphagha (1), J. H. Ham (1). (1) Louisiana State University, Baton Rouge, LA, U.S.A.
The host-specific virulence activity of Ralstonia solanacearum type three effector PopS. J. M. JACOBS (1), A. Milling (1), B. Remenant (1), C. Allen (1). (1) University of Wisconsin, Madison, WI, U.S.A.
Characterization of the occF gene associated with antifungal activity of occidiofungin produced by Burkholderia contaminans strain MS14. K. Chen (1), L. Smith (2), A. Liu (1), A. Ravichandran (2), G. Gu (1), S. M. Baird (1), S. LU (1). (1) Mississippi State University, Mississippi State, MS, U.S.A.; (2) Texas A&M University, College Station, TX, U.S.A.
Understanding cellular and molecular interactions between the rice blast fungus and a putative biocontrol bacterium. S. MATHIONI (1), J. Caplan (2), N. Patel (3), K. J. Czymmek (1), R. F. Sullivan (4), D. Y. Kobayashi (3), N. M. Donofrio (1). (1) University of Delaware, Newark, DE, U.S.A.; (2) Delaware Biotechnology Institute, Newark, DE, U.S.A.; (3) Rutgers University, New Brunswick, NJ, U.S.A.; (4) Aberdeen Proving Ground (U.S. Army), Aberdeen, MD, U.S.A.
Homologous recombination and the invasion of a new plant host by the pathogenic bacterium, Xylella fastidiosa. L. NUNNEY (1). (1) University of California-Riverside, Riverside, CA, U.S.A.
Adapting synthetic gene circuits for plant-based detection of pathogen indicators: A test case. L. R. TRIPLETT (1), K. J. Morey (1), K. D. Albrecht (1), M. Ionescu (2), J. E. Leach (1), S. E. Lindow (2), N. A. Tisserat (1), J. I. Medford (1). (1) Colorado State University, Fort Collins, CO, U.S.A.; (2) University of California-Berkeley, Berkeley, CA, U.S.A.
Root-knot nematode genomes encode suites of plant peptide hormone mimics. P. M. DIGENNARO (1), E. H. Scholl (1), J. P. Cromer (1), C. H. Opperman (1), D. M. Bird (1). (1) North Carolina State University, Raleigh, NC, U.S.A.
Diversity of the mating type locus in Sclerotinia sclerotiorum in relation to formation of apothecia. P. CHITRAMPALAM (1), P. Inderbitzin (1), K. V. Subbarao (1). (1) University of California, Davis, CA, U.S.A.
Genotypic diversity of Verticillium dahliae impacting potato and mint. J. K. DUNG (1), T. L. Peever (1), D. A. Johnson (1). (1) Washington State University, Pullman, WA, U.S.A.
Development of microsatellite markers for population genetic analysis of Waitea circinata var. circinata. E. N. NJAMBERE (1), F. Wong (2), B. B. Clarke (1), N. Zhang (1). (1) Rutgers University, New Brunswick, NJ, U.S.A.; (2) University of California, Riverside, Riverside, CA, U.S.A.
Effects of plant growth regulators on a DMI-insensitive Sclerotinia homoeocarpa population. K. Campbell-Nelson (1), J. Popko (1), G. JUNG (1). (1) University of Massachusetts, Amherst, MA, U.S.A.
Two newly detected populations of Fusarium graminearum in the United States. L. R. GALE (1), E. A. Milus (2), S. K. Stangeland (1), M. W. Haas (1), H. C. Kistler (3). (1) University of Minnesota, St. Paul, MN, U.S.A.; (2) University of Arkansas, Fayetteville, AR, U.S.A.; (3) USDA ARS - Cereal Disease Lab, St. Paul, MN, U.S.A.
Fusarium head blight in southeastern Idaho. K. M. BISSONNETTE (1), J. M. Marshall (1). (1) University of Idaho, Idaho Falls, ID, U.S.A.
Genetic diversity and population differentiation of Sclerotinia sclerotiorum collected from canola in China and in United States. R. N. ATTANAYAKE (1), D. H. Jiang (2), M. L. del Río (3), W. Chen (4). (1) Washington State University, Pullman, WA, U.S.A.; (2) Huazhong Agricultural University, Wuhan, Peoples Rep of China; (3) North Dakota State University , Fargo, ND, U.S.A.; (4) USDA - ARS, Pullman, WA, U.S.A.
Clonal and sexual dispersal of Armillaria mellea in an ornamental landscape. R. TRAVADON (1), P. Fujiyoshi (2), M. E. Smith (3), G. W. Douhan (4), D. M. Rizzo (1), K. Baumgartner (2). (1) University of California, Davis, CA, U.S.A.; (2) USDA-ARS, Davis, CA, U.S.A.; (3) Duke University, Durham, NC, U.S.A.; (4) University of California, Riverside, CA, U.S.A.
The genetic structure of Pseudoperonospora cubensis global populations. L. QUESADA-OCAMPO (1), L. Granke (1), J. Olsen (1), H. Gutting (1), F. Runge (2), M. Thines (2), A. Lebeda (3), M. Hausbeck (1). (1) Michigan State University, East Lansing, MI, U.S.A.; (2) University of Hohenheim, Hohenheim, Germany; (3) Palacky University in Olomouc, Faculty of Science, Dept. of Botany, Olomouc-Holice, Czech Republic
Population genetic structure of Phytophthora cinnamomi associated with Phytophthora root rot of avocado (Persea americana) within California. D. PAGLIACCIA (1), B. McKee (1), E. Pond (1), G. W. Douhan (1). (1) University of California-Riverside, Riverside, CA, U.S.A.
Population genetics of Eutypa lata in the major grape-growing regions of the world and historical patterns of viticulture. K. BAUMGARTNER (1), R. Travadon (2), P. Rolshausen (3), D. Gubler (2), M. Sosnowski (4), P. Lecomte (5), F. Halleen (6), J. Peros (7). (1) USDA ARS, Davis, CA, U.S.A.; (2) Dept. of Plant Pathology, University of California, Davis, CA, U.S.A.; (3) Dept. of Plant Pathology and Microbiology, University of California, Riverside, CA, U.S.A.; (4) South Australian Research and Development Institute, Adelaide, Australia; (5) INRA, UMR Santé Végétale, Villenave d'Ornon, France; (6) ARC Infruitec-Nietvoorbij, Stellenbosch, Rep of South Africa; (7) INRA, UMR DIAPC, Montpellier, France
Population structure of Ophiognomonia clavigignenti-juglandacearum reveals multiple introductions of the butternut canker fungus into North America. K. BRODERS (1), L. Barbison (2), G. Boland (2). (1) University of New Hampshire, Durham, NH, U.S.A.; (2) University of Guelph, Guelph, ON, Canada