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See the program book (PDF) - American Phytopathological Society

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WeDneSDAy<br />

SeSSiOnS – Wednesday Morning, technical<br />

Wednesday Morning technical<br />

Sessions<br />

Listed in alphabetical order by title.<br />

Diseases of Plants-Fruits, Nuts, & Vegetables<br />

9:00 – 11:30 a.m. * 205 AB<br />

Section: Diseases of Plants<br />

Moderator: Tara L. Barrett Tarnowski, University of Florida,<br />

TREC, Homestead, FL<br />

9:00 a.m. O-146. Virtual lesions caused by copper-based<br />

fungicides impair photosyn<strong>the</strong>sis in tart cherry.<br />

B. R. GRUBER (2), E. L. Kruger (1), P. S.<br />

McManus (2). (1) Department of Forest and<br />

Wildlife Ecology, University of Wisconsin -<br />

Madison, Madison, WI, U.S.A., (2) Department<br />

of Plant Pathology, University of Wisconsin -<br />

Madison, Madison, WI, U.S.A.<br />

9:15 a.m. O-147. Mango anthracnose in south<br />

Florida: Assessing <strong>the</strong> respective roles of<br />

Colletotrichum gloeosporioides and C. acutatum.<br />

T. L. TARNOWSKI (1), R. C. Ploetz (1). (1)<br />

University of Florida, Homestead, FL, U.S.A.<br />

9:30 a.m. O-148. Impact of sunlight and its components<br />

on severity of grapevine powdery mildew. C. N.<br />

AUSTIN (1), A. N. Lakso (2), R. C. <strong>See</strong>m (1), D.<br />

G. Reigel (1), D. M. Gadoury (1), W. F. Wilcox<br />

(1). (1) Cornell University, Department of Plant<br />

Pathology and Plant-Microbe Biology NYSAES,<br />

Geneva, NY, U.S.A., (2) Horticultural Science<br />

NYSAES, Geneva, NY, U.S.A.<br />

9:45 a.m. O-149. Efficacy of fungicides for suppressing<br />

Cylindrocladium stem and root rot of blueberry<br />

in Georgia. J. C. HARALSON (1), P. M.<br />

Brannen (1), H. W. Scherm (1), S. Nesmith (1).<br />

(1) University of Georgia, A<strong>the</strong>ns, GA, U.S.A.<br />

10:00 a.m. O-150. Increased severity of fungal foliar<br />

diseases on sweet corn infected with maize dwarf<br />

mosaic. M. D. MEYER (1), J. K. Pataky (1). (1)<br />

University of Illinois, U.S.A.<br />

10:15 a.m. O-151. Molecular identification of viruses that<br />

infect Panax notoginseng in China. Z. TAO (1),<br />

Z. Yan (1), L. Song (1), H. Li (1), Z. Fan (1).<br />

(1) Dept. Plant Pathology, China Agricultural<br />

University, Beijing, China<br />

10:30 a.m. O-152. A new phytoplasm associated disease of<br />

chile peppers. J. J. RANDALL (2), P. Bosland<br />

(1), S. F. Hanson (2). (1) Department of Plant<br />

and Environmental Science, NMSU, Las Cruces,<br />

NM, U.S.A., (2) EPPWS, New Mexico State<br />

University, Las Cruces, NM, U.S.A.<br />

10:45 a.m. O-153. Phytophthora erythroseptica, isolate<br />

sensitivity to metalaxyl and disease control in<br />

potato in New York and Pennsylvania. H. M.<br />

GRIFFITHS (1), T. A. Zitter (1), K. L. Deahl<br />

(3), D. E. Halseth (2). (1) Dept. Plant Pathology<br />

and Plant Microbe-Biology, Cornell University,<br />

62<br />

Ithaca, NY, U.S.A., (2) Dept. of Horticulture,<br />

Cornell University, Ithaca, NY, U.S.A., (3)<br />

Vegetable Laboratory, BARC-West, Beltsville,<br />

MD, U.S.A.<br />

11:00 a.m. O-154. The occurrence of a distinct variant<br />

of Grapevine fanleaf virus in Washington State<br />

vineyards. T. A. MEKURIA (1), R. R. Martin<br />

(2), R. A. Naidu (1). (1) Department of Plant<br />

Pathology, Washington State University,<br />

Irrigated Agriculture Research and Extension<br />

Center, Prosser, WA, U.S.A. (2) USDA-ARS<br />

Horticultural Crops Research Laboratory,<br />

Corvallis, OR, U.S.A.<br />

11:15 a.m. O-155. Transmission of Grapevine leafrollassociated<br />

virus 3 by <strong>the</strong> vine mealybug<br />

(Planococcus ficus). C. TSAI (1), J. Chau (1), L.<br />

Fernandez (1), D. Bosco (2), K. M. Daane (1),<br />

R. P. Rodrigo (1). (1) University of California,<br />

Berkeley, U.S.A. (2) Universitá degli Studi di<br />

Torino, Italy<br />

Forest Pathology<br />

9:00 – 11:30 a.m. * 211 CD<br />

Section: Diseases of Plants<br />

9:00 a.m. O-156. Are terpenes involved in Austrian pine<br />

(Pinus nigra) resistance to <strong>the</strong> fungal pathogen<br />

Diplodia pinea?. C. M. WALLIS (2), P. Bonello<br />

(1). (1) Ohio State University, Columbus,<br />

OH, U.S.A. (2) University of Nor<strong>the</strong>rn British<br />

Columbua, Prince George, BC, Canada<br />

9:15 a.m. O-157. Response of selected woody species to<br />

inoculation with Phytophthora citricola and P.<br />

cactorum from European beech using multiple<br />

inoculation methods. A. H. NELSON (1), J. E.<br />

Weiland (2), G. W. Hudler (1). (1) Department<br />

of Plant Pathology and Plant Microbe Biology,<br />

Cornell University, Ithaca, NY, U.S.A., (2) USDA<br />

ARS, Corvallis, OR, U.S.A.<br />

9:30 a.m. O-158. Wood modifications by brown rot fungi<br />

may offer competitive advantage for <strong>the</strong>ir own<br />

cellulases. J. P. TEWALT (1), J. S. Schilling (1).<br />

(1) University of Minnesota, St. Paul, MN, U.S.A.<br />

9:45 a.m. O-159. Wood-rot disease on cherry trees along<br />

Koganei Cherry Street, a national cultural<br />

property. J. SHIMIZU (2), K. Fukuda (2),<br />

Y. Hayashi (1). (1) Forest Development<br />

Technological Institute (retired), Iidabashi,<br />

Chiyoda-ku, Tokyo, Japan, (2) Institute of<br />

Natural Environmental Studies, <strong>the</strong> University of<br />

Tokyo, Kashiwa-shi, Chiba, Japan<br />

10:00 a.m. O-160. An epidemic of Septoria canker on<br />

Populus balsamifera in nor<strong>the</strong>rn Alberta. J. M.<br />

LEBOLDUS (2), P. V. Blenis (2), B. R. Thomas<br />

(1). (1) Alberta-Pacific Forest Industries Inc.,<br />

Boyle, Alberta, Canada, (2) University of Alberta,<br />

Edmonton, Alberta, Canada<br />

10:15 a.m. O-161. Long-term effects of fuel reduction<br />

treatments on <strong>the</strong> incidence of Phytophthora

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