APS Pacific Division Meeting

June 13 - June 16, 2006, Boise, Idaho

Oxford Suites

 

June 13-Tuesday

APS-PD

Field Trip 9:00-5:00 PM – Hotel Lobby

Opening Reception 6:00-9:00 PM – Idaho Room

June 14-Wednesday

 

7:00-8:00                 Continental Breakfast (Hotel Dining Room)

 

APS-PD Meeting

Location: Idaho Room

Moderator: Barry Jacobsen

 

8:00-8:10                 Opening Statements: Barry Jacobsen (APS Pacific Division President)

 

8:10-8:40               APS Presidential Address-Dr. John Andrews - “A Perspective on Plant Pathology: Origin, Status and Future Prospects.”

 

8:40-5:00            Mini-conference: New and Emerging Diseases in the Pacific Division Region.

 

8:40 - Togninia: newly discovered pathogen causes centuries-old disease. W. D. GUBLER, S. N. Rooney-Latham and A. Eskalen.  Department of Plant Pathology, University of California, Davis, CA 95616.

 

 

9:00 - Identification of infection loci of Spiroplasma citri in the San Joaquin Valley in California.  R.K. YOKOMI(1), A. Mello(2), J. Fletcher(2), and J.C. Chen(1).  (1)USDA, ARS, 9611 S. Riverbend Ave., Parlier, CA, 93648; (2)Dept. of Entomology & Plant Pathology, Oklahoma State University, Stillwater, OK 74078

 

9:20 – Emergence of Bacterial Blight of Crucifers in California and the US.

C.T. BULL (1), and S.T. Koike (2).  (1) USDA/ARS, Salinas, CA; (2) Univ. Calif. Coop. Extension, Salinas, CA.

 

 

9:40 - Pitch canker in California: is the invasion over? T.R. GORDON. Dept. of Plant Pathology, University of California, Davis, CA 95616.

 

10:00-10:15  Break – Meeting Room Lobby

 

10:15 – Understanding impacts of blackberry rust in the Pacific Northwest.  K. B. JOHNSON(1) and W. F.  Mahaffee(2). (1) Dept. of Botany & Plant Pathology, Oregon State University, and (2) USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR 97331.

 

10:35 - Strategies for controlling increasingly important stripe rusts of wheat and barley.  X.M. Chen, the USDA-ARS Wheat Genetics Unit and Department of Plant Pathology, Washington State University, Pullman, WA 99164-6430.

 

10:55 - Current status and management of Fusarium wilt of lettuce in Arizona.  M.E. MATHERON and M. Porchas, Yuma Agricultural Center, University of Arizona, Yuma, AZ 85364

 

11:15 - Wilt/Decline of Acacia koa Caused by Fusarium oxysporum in Hawaii. R.L. JAMES (1), N.S. Dudley (2), R. Sniezko (3). (1) USDA Forest Service, Forest Health Protection, Coeur d’Alene, ID 83815; (2) Hawaii Agriculture Research Center, Aiea, HI 96701; (3) USDA Forest Service, Dorena Genetic Resource Center, Cottage Grove, OR 97424.

 

11:35 - Impact and biology of Phytophthora ramorum.

Niklaus J. GRUNWALD. Horticultural Crops Research Laboratory, USDA ARS, Corvallis, OR

 

11:55-1:30  APS-PD Executive Committee Luncheon (Goodwoods Restaurant)

Lunch Break

APS-PD Meeting

Location: Idaho Room

1:30-2:50 – New and Emerging Diseases in the Pacific Division Region

Moderator: Lyndon Porter

 

1:30 – High Plains Virus: An Emerging Disease of Sweet Corn in the Columbia Basin of Oregon and Washington. S.L. GIECK, P.B. Hamm, G.H. Clough & N.L. David. Oregon State University, PO Box 105, Hermiston, OR 97838

 

1:50 – Emergence of Iris yellow spot virus in the western U.S.

D.H. GENT (1), L.J. du Toit (2), S.K. Mohan (3), H.R. Pappu (4), and H.F. Schwartz (5).  (1) USDA-ARS, Corvallis, OR 97331; (2) Dept. Plant Pathology, Washington State University, Mount Vernon, WA 98273; (3) Dept. Plant Sci., University of Idaho, Parma Res. Ext. Center, Parma, ID 83660; (4) Dept. Plant Pathology, Washington State University, Pullman, WA 99164; (5) Dept. Bioagricultural Sci. and Pest Management, Colorado State University, Fort Collins, CO 80523.

 

2:10 – Corn stunt.  C.A FRATE (1), C.G. Summers (2), D. Opgenorth (3). (1) University of California Cooperative Extension, 4137 S. Laspina St, Tulare CA 93274; (2) Department of Entomology, UC Davis 95616;  (3) California Department of Food and Agriculture, Sacramento CA 95832.

 

2:30 – New and emerging viral diseases in grapevines grown in California  J.K. UYEMOTO and A. Rowhani, USDA-ARS and Dept. Plant Pathology, UC, Davis CA 95616

 

2:45 - Emergence of a resistance-breaking strain of Beet necrotic yellow vein virus

C.M. RUSH and R. Acosta-Leal.  Texas Agric. Exp. Station, Amarillo, TX 79012.

 

3:00 -3:15  Break – Meeting Room Lobby

3:15 - Rapid blight disease of cool season turfgrasses.  M. W. OLSEN. Dept of Plant Sciences, The Univ. of Arizona, Tucson, AZ 85721.

 

3:30 – Newly recognized postharvest fruit rot diseases of apple and pear in the U.S. Pacific Northwest.  C. L. XIAO.  Washington State University, TFREC, Wenatchee, WA.

 

3:50 - Emerging fungal diseases in fruit and nut crops in California. T.J. MICHAILIDES, D.P. Morgan, D. Felts, and H. Reyes. Department of Plant pathology, University of California, Kearney Agricultural Center, Parlier, CA 93648.

 

4:10 – Leaf spot of Cercospora beticola: A new disease of safflower. (1)R.T. LARTEY, (1) TC. Caesar-TonThat, (2)S. Ghoshroy, (1)A.W. Lenssen and (1)R.G. Evans. (1)USDA-ARS, NPARL, 1500 N Central Ave. Sidney, MT 59270. (2)New Mexico State University, Dept of Biology. Las Cruces, NM 88003.

4:30 - Hop powdery mildew in the Pacific Northwest. A. PEETZ(1), W.F. Mahaffee(2), W.W. Turechek(3), C.S. Thomas(4), M. Nelson(5), C.M. Ocamb(1), D. Gent(2), and G.G. Grove(5). (1)Dept. Botany & Plant Path., Oregon State Univ., Corvallis 97331. (2)USDA-ARS, Corvallis, OR, 97330 (3)USDA-ARS, Beltsville, MD, 20705 (4)Dept. Plant Path., Univ. California, Davis 95616, (5)Dept. Plant Path., Washington State Univ., Prosser, 93350

 

4:45 - The National Plant Diagnostic Network -  Role in Agricultural Biosecurity. R.M. BOSTOCK, C.S. Thomas, R.W. Hoenisch, A. Coggeshall. Dept. Plant Pathology, University of California, Davis, CA 95616.

 

 

 

 

 

 

June 15-Wednesday

APS-PD

Open Paper Session

Location: Idaho Room

Moderator: Jim Crosslin

7:00-8:00     Continental Breakfast (Hotel Dining Room)

 

8:00- 9:15  Graduate/Undergraduate Student Paper Competition

 

8:00 -  Vegetative Compatibility in Aspergillus fumigatus and Neosartorya fischeri. E. BECKER1, W. C. Nierman2, and P. J. Cotty1. 1USDA-ARS, Dept. Plant Sciences, University of Arizona, Tucson AZ, 85721; 2The Institute for Genomic Research, Rockville, MD 20850.          

 

8:15- Improved formulations of Aspergillus flavus AF36 for management of aflatoxin contamination. A. K. McCLOSKEY, R. Jaime-Garcia and P. J. Cotty. USDA-ARS, Dept. Plant Sciences, University of Arizona, Tucson, 85721.

                             

8:30- Consistent formation of sporulation deficient mutants during commercial scale production of Aspergillus.  M. McDONALD and P. J. Cotty, USDA-ARS, Dept. Plant Sciences, University of Arizona, Tucson AZ 85721.      

 

8:45 - Resistance to Wheat streak mosaic virus in perennial wheat. L.A. HARRISON, T.D. Murray. Dept. Plant Pathology, Washington State University, Pullman, WA 99164.

 

9:00 - Genetic characterization and QTL mapping of high-temperature, adult-plant resistance in ‘Bancroft’ barley against Puccinia striiformis f. sp. hordei. G.P. YAN (1) and X.M. Chen (1,2). (1) Dept. of Plant Pathol., Washington State Univ. and (2) USDA-ARS, Pullman, WA 99164-6430.

 

9:15 – Influences of application timing on sporulation of the biocontrol product Aspergillus flavus AF36 in cotton fields of Arizona. R. JAIME-GARCIA and P. J. Cotty. USDA-ARS, Dept. Plant Sciences, University of Arizona, Tucson, AZ 85721.

 

9:30 – Diversity within communities of L and S strains of Aspergillus flavus in cotton fields in Texas and Arizona. J. X. ZHANG and P. J. Cotty. USDA-ARS, Dept. Plant Sciences, University of Arizona, Tucson, AZ 85721.

 

9:45- Susceptibility of kernels of walnut cultivars to Aspergillus flavus and A. parasiticus. T.J. MICHAILIDES, and M.A. Doster. University of California, Davis, Kearney Agricultural Center, Parlier, CA 93648.

 

 

 

10:00-10:15  Break – Meeting Room Lobby

 

10:15 - Secondary spread of Verticillium wilt in perennial mint fields: Evidence from spatial analysis. D. A.  JOHNSON (1), H. Zhang (2), J. R. Alldredge ( 2), (1) Dept. of Plant Pathology, Washington State University (2) Dept. of Statistics, Washington State University, Pullman, WA 99164.

 

10:30 - Survey of pathogenic fungi in commercial seed garlic. F.M. DUGAN and S.L. Lupien. USDA-ARS Western Regional Plant Introduction Station, Washington State University, Pullman, WA 99164-6402.

 

10:45 - Identification of genes in Puccinia striiformis and use of gene-specific PCR primers to differentiate rust species, formae speciales, and isolates.  M.N. WANG (1), P. Ling (2), and X.M. Chen (1,2). (1) Dept. of Plant Pathol., Washington State University and (2) USDA-ARS, Pullman, WA 99164-6430.

 

11:00 - Characterization of pathogenic Rhizoctonia solani and R. oryzae of the Pacific Northwest using real-time PCR. P.A. OKUBARA (1), T.C. Paulitz (1). (1) USDA ARS, Root Disease and Biological Control Research Unit, Pullman, Washington, USA

 

11:15- Development of a real-time, quantitative PCR for detection of potato purple top phytoplasma in plants and beet leafhoppers.  J.M. Crosslin1, G.J. Vandemark1, and J.E. Munyaneza2.  1USDA-ARS, Prosser, WA 99350; 2USDA-ARS, Wapato, WA 98951.

 

11:30 - Susceptibility of Sweet Corn Varieties Grown in the Columbia Basin to High Plains Virus.  N.L. David(1), G.H. Clough(1), P.B. Hamm(1), S.L. GIECK(1), M.A. Trent(2). (1)HAREC, Oregon State University, Hermiston, OR 97838; (2)Grant/Adams Area Extension, Washington State University, Ephrata, WA 98823.

 

 

11:45- Strategies to ameliorate glyphosate immobilization of Mn and its impact on disease. D.M. HUBER. Botany & Plant Pathology, Purdue University, West Lafayette, IN 47907.

 

12:00-1:30  APS-PD Lunch Break

APS-PD

Open Paper Session

Location: Idaho Room

Moderator: Michael Yoshimura

 

1:30 – Depth distribution of Pratylenchus neglectus and P. thornei populations in dryland wheat fields. J.G. Sheedy, R.W. Smiley, and S.A. Easley. Oregon State University, Pendleton, OR 97801.

 

1:45 – Identification of the plant-parasitic nematodes Pratylenchus neglectus and P. thornei by PCR. S.A. EASLEY, C.J.W. Watson, R.W. Smiley, and J.G. Sheedy. Oregon State University, Pendleton, OR 97801.

 

2:00 – Occurrence of plant-pathogenic nematodes in green pea fields in the Columbia Basin of Washington and Oregon. N.L. DAVID (1), L.D. Porter (2), R.E. Ingham (1), K.E. Merrifield (1), and P.B. Hamm (1). (1) Dept. Botany and Plant Pathology, Oregon State University, Corvallis, OR 97330; (2) USDA ARS, Prosser, WA 99350.

 

2:15 – Molecular mapping of genes conferring non-race specific and race-specific resistances to stripe rust in spring wheat cultivar Alpowa. F. LIN (1), and X.M. Chen (1,2), (1) Dept. of Plant Pathol., Washington State Univ. and (2) USDA-ARS, Pullman, WA 99164-6430

 

2:30 – Identification of novel sources of white mold resistance in pea.  L.D. PORTER, G. Hoheisel, and G. Coffman. USDA-ARS, Prosser, WA 99350.

 

2:45 – Evaluation of fungicide seed treatments for control of Phoma lingam in brassica vegetables.  M.L. DERIE and L.J. du Toit. Washington State University - NWREC, Mount Vernon, WA 98273.

 

3:00 -3:15  Break – Meeting Room Lobby

3:15 - Bacteria and yeast associated with sugar beet root rot at harvest in the Intermountain West.  C.A. STRAUSBAUGH and A.M. Gillen. USDA-ARS, Kimberly, ID 83341.

 

3:30 – Erwinia amylovora does not persist on calyxes or in skin punctures of healthy winter pear fruit when inoculated at a biologically relevant dose. T. N. Temple(1), V. O. Stockwell(1), P. L. Pusey(2), K. B. JOHNSON(1). (1)Dept. of Botany & Plant Pathology, Oregon State University, Corvallis, OR; (2) USDA-ARS Tree Fruit Research Laboratory, Wenatchee, WA.

 

3:45 – North Central Idaho On-Farm Test Fungicide Evaluation for Control of Ascochyta Blight in Chickpeas 2005.

L.J. SMITH. University of Idaho, Lewiston, ID 83501.

 

4:00-Mandipropamid: A new fungicide for control of late blight and downy mildews. L. PAYAN, T. Harp, G. Cloud, B. Minton, A. Cochran, and P. Kuhn. Syngenta Crop Protection, 410 Swing Road, Greensboro, NC  27409.

 

 

 

 

 

 

6:00-9:00     Social and Awards Dinner (Idaho Room)

7:30-8:00     Awards Presented

June 16-Friday

APS-PD

7:00 to 8:30   Continental Breakfast (Hotel Dining Room)

8:30-10:00     Business Meeting (Idaho Room)

Meeting Adjourned