See the program book (PDF) - American Phytopathological Society

WeDneSDAy
SeSSiOnS – Wednesday Morning, technical
Wednesday Morning technical
Sessions
Listed in alphabetical order by title.
Diseases of Plants-Fruits, Nuts, & Vegetables
9:00 – 11:30 a.m. * 205 AB
Section: Diseases of Plants
Moderator: Tara L. Barrett Tarnowski, University of Florida,
TREC, Homestead, FL
9:00 a.m. O-146. Virtual lesions caused by copper-based
fungicides impair photosynthesis in tart cherry.
B. R. GRUBER (2), E. L. Kruger (1), P. S.
McManus (2). (1) Department of Forest and
Wildlife Ecology, University of Wisconsin -
Madison, Madison, WI, U.S.A., (2) Department
of Plant Pathology, University of Wisconsin -
Madison, Madison, WI, U.S.A.
9:15 a.m. O-147. Mango anthracnose in south
Florida: Assessing the respective roles of
Colletotrichum gloeosporioides and C. acutatum.
T. L. TARNOWSKI (1), R. C. Ploetz (1). (1)
University of Florida, Homestead, FL, U.S.A.
9:30 a.m. O-148. Impact of sunlight and its components
on severity of grapevine powdery mildew. C. N.
AUSTIN (1), A. N. Lakso (2), R. C. Seem (1), D.
G. Reigel (1), D. M. Gadoury (1), W. F. Wilcox
(1). (1) Cornell University, Department of Plant
Pathology and Plant-Microbe Biology NYSAES,
Geneva, NY, U.S.A., (2) Horticultural Science
NYSAES, Geneva, NY, U.S.A.
9:45 a.m. O-149. Efficacy of fungicides for suppressing
Cylindrocladium stem and root rot of blueberry
in Georgia. J. C. HARALSON (1), P. M.
Brannen (1), H. W. Scherm (1), S. Nesmith (1).
(1) University of Georgia, Athens, GA, U.S.A.
10:00 a.m. O-150. Increased severity of fungal foliar
diseases on sweet corn infected with maize dwarf
mosaic. M. D. MEYER (1), J. K. Pataky (1). (1)
University of Illinois, U.S.A.
10:15 a.m. O-151. Molecular identification of viruses that
infect Panax notoginseng in China. Z. TAO (1),
Z. Yan (1), L. Song (1), H. Li (1), Z. Fan (1).
(1) Dept. Plant Pathology, China Agricultural
University, Beijing, China
10:30 a.m. O-152. A new phytoplasm associated disease of
chile peppers. J. J. RANDALL (2), P. Bosland
(1), S. F. Hanson (2). (1) Department of Plant
and Environmental Science, NMSU, Las Cruces,
NM, U.S.A., (2) EPPWS, New Mexico State
University, Las Cruces, NM, U.S.A.
10:45 a.m. O-153. Phytophthora erythroseptica, isolate
sensitivity to metalaxyl and disease control in
potato in New York and Pennsylvania. H. M.
GRIFFITHS (1), T. A. Zitter (1), K. L. Deahl
(3), D. E. Halseth (2). (1) Dept. Plant Pathology
and Plant Microbe-Biology, Cornell University,
62
Ithaca, NY, U.S.A., (2) Dept. of Horticulture,
Cornell University, Ithaca, NY, U.S.A., (3)
Vegetable Laboratory, BARC-West, Beltsville,
MD, U.S.A.
11:00 a.m. O-154. The occurrence of a distinct variant
of Grapevine fanleaf virus in Washington State
vineyards. T. A. MEKURIA (1), R. R. Martin
(2), R. A. Naidu (1). (1) Department of Plant
Pathology, Washington State University,
Irrigated Agriculture Research and Extension
Center, Prosser, WA, U.S.A. (2) USDA-ARS
Horticultural Crops Research Laboratory,
Corvallis, OR, U.S.A.
11:15 a.m. O-155. Transmission of Grapevine leafrollassociated
virus 3 by the vine mealybug
(Planococcus ficus). C. TSAI (1), J. Chau (1), L.
Fernandez (1), D. Bosco (2), K. M. Daane (1),
R. P. Rodrigo (1). (1) University of California,
Berkeley, U.S.A. (2) Universitá degli Studi di
Torino, Italy
Forest Pathology
9:00 – 11:30 a.m. * 211 CD
Section: Diseases of Plants
9:00 a.m. O-156. Are terpenes involved in Austrian pine
(Pinus nigra) resistance to the fungal pathogen
Diplodia pinea?. C. M. WALLIS (2), P. Bonello
(1). (1) Ohio State University, Columbus,
OH, U.S.A. (2) University of Northern British
Columbua, Prince George, BC, Canada
9:15 a.m. O-157. Response of selected woody species to
inoculation with Phytophthora citricola and P.
cactorum from European beech using multiple
inoculation methods. A. H. NELSON (1), J. E.
Weiland (2), G. W. Hudler (1). (1) Department
of Plant Pathology and Plant Microbe Biology,
Cornell University, Ithaca, NY, U.S.A., (2) USDA
ARS, Corvallis, OR, U.S.A.
9:30 a.m. O-158. Wood modifications by brown rot fungi
may offer competitive advantage for their own
cellulases. J. P. TEWALT (1), J. S. Schilling (1).
(1) University of Minnesota, St. Paul, MN, U.S.A.
9:45 a.m. O-159. Wood-rot disease on cherry trees along
Koganei Cherry Street, a national cultural
property. J. SHIMIZU (2), K. Fukuda (2),
Y. Hayashi (1). (1) Forest Development
Technological Institute (retired), Iidabashi,
Chiyoda-ku, Tokyo, Japan, (2) Institute of
Natural Environmental Studies, the University of
Tokyo, Kashiwa-shi, Chiba, Japan
10:00 a.m. O-160. An epidemic of Septoria canker on
Populus balsamifera in northern Alberta. J. M.
LEBOLDUS (2), P. V. Blenis (2), B. R. Thomas
(1). (1) Alberta-Pacific Forest Industries Inc.,
Boyle, Alberta, Canada, (2) University of Alberta,
Edmonton, Alberta, Canada
10:15 a.m. O-161. Long-term effects of fuel reduction
treatments on the incidence of Phytophthora