See the program book (PDF) - American Phytopathological Society

P-356 Enhancing potato system sustainability:
Microclimate, early blight and late blight potential.
M. OLANYA (1), C. W. Honeycutt (1), R. P. Larkin
(1), T. S. Griffin (1), Z. He (1), J. Halloran (1). (1)
USDA-ARS, NEPSWL, Orono, ME, U.S.A.
P-357 Carbon competition as a mechanism of Pythium
damping-off suppression in a municipal biosolids
compost. M. Chen (1), E. B. NELSON (1). (1)
Department of Plant Pathology and Plant-Microbe
Biology, Cornell University, Ithaca, NY, U.S.A.
P-358 Characterization of Pythium communities in soils
from conventional tillage, no-tillage and successional
systems. B. LIU (1), F. Louws (1). (1) Department of
Plant Pathology, NCSU
population Genetics
P-359 Genotypic diversity of Phytophthora ramorum in U.S.
nurseries. N. J. GRUNWALD (1), M. Larsen (1), E.
M. Goss (1). (1) USDA ARS
P-360 Gene flow of Phytophthora infestans between organic
and conventional potato field in Southern Flevoland,
The Netherlands. C. HU (1), F. Govers (2), J.
Ristaino (1). (1) NCSU, Raleigh, NC, U.S.A.,
(2) Wageningen University, Wageningen, The
Netherlands
P-361 Variation in population density and diversity of
Phytophthora species in streams within a forest
watershed. J. HWANG (1), S. W. Oak (2), S. N.
Jeffers (1). (1) Dept. of ESPS, Clemson University,
Clemson, SC, U.S.A., (2) USDA Forest Service,
Southern Region, FHP, Asheville, NC, U.S.A.
P-362 Population structure of wheat powdery mildew in
the eastern U.S. R. PARKS (3), I. Carbone (2), J.
Murphy (1), C. Cowger (3). (1) North Carolina State
University Crop Science, Raleigh, NC, U.S.A., (2)
North Carolina State University Plant Pathology,
Raleigh, NC, U.S.A., (3) USDA-ARS, North
Carolina State University Plant Pathology, Raleigh,
NC, U.S.A.
P-363 Pathogenic and genotypic analysis among
Iranian isolates of Macrophomina phaseolina. N.
ALLAGHEBANDZADEH (2), S. Rezaee (2), B.
Mahmoudi (1), H. Zamani Zadeh (2). (1) Sugar Beet
Seed Institute, Karaj, Tehran, Iran, (2) Science and
Research Branch, Islamic Azad University, Tehran,
Tehran, Iran
P-364 Genotypic analysis among Iranian isolates of
Cercospora beticola. M. SAFFARIAN ABBAS
ZADEH (1), S. Abbasi (2), B. Mahmoudi (3), R.
Farokhi Nejad (1). (1) Chamran University, Ahvaz,
Khozestan, Iran, (2) Razi University, Kermanshah,
Kermanshah, Iran, (3) Sugar Beet Seed Institute,
Karaj, Tehran, Iran
P-365 Development of microsatellite markers for Fusarium
oxysporum f. sp. lycopersici and Fusarium oxysporum f.
sp. radicis-lycopersici. C. HUANG (1), P. D. Roberts
(2), L. E. Datnoff (1). (1) University of Florida,
Gainesville, FL, U.S.A., (2) University of Florida,
SWFREC, Immokalee, FL, U.S.A.
P-366
Flash
&
dash Study of the genetic diversity of Phytophthora
infestans isolates from the Northern Andean region
using seven genic regions. A. ROJAS (3), R. Sierra
(3), A. Gonzalez (3), A. Vargas (3), M. Cárdenas
(3), A. Grajales (3), C. Salazar (3), M. Marín (1), G.
Fermin Munoz (4), L. E. Lagos (2), A. Bernal (3), S.
Restrepo (3). (1) Universidad Nacional, Medellin,
Antioquia, Colombia, (2) Universidad de Nariño,
Pasto, Nariño, Colombia, (3) Universidad de los
Andes, Bogotá D.C., Colombia, (4) Universidad de
los Andes, La Hechicera, Merida, Venezuela
P-367 Molecular characterization of tomato plantassociated
fungal communities after introduction
of the antagonistic agent Pythium oligandrum in
the rhizosphere. J. VALLANCE (1), J. Jany (1), F.
Déniel (1), P. Rey (2). (1) Laboratoire Universitaire
de Biodiversité et Ecologie Microbienne (EA3882),
Plouzané, France, (2) UMR Santé Végétale,
ENITAB, Bordeaux, France
P-368 Determination of the population structure
of Rhizoctonia oryzae-sativae from paddy rice
fields in California by microsatellite analysis. P.
CHAIJUCKAM (1), C. A. Greer (2), R. Davis (1).
(1) Department of Plant Pathology, University of
California, Davis, CA, U.S.A., (2) UC Cooperative
Extension, 142 Garden Highway, Suite A, Yuba City,
CA, U.S.A.
P-369 Diversity of Rhizoctonia species in eastern
Washington as determined by AFLP analysis. K. L.
SCHROEDER (2), R. C. Flanagan (1), T. C. Paulitz
(2). (1) School of Molecular Biosciences, Washington
State University, Pullman, WA, U.S.A., (2) USDA-
ARS, Pullman, WA, U.S.A.
P-370 A region-wide analysis of genetic diversity in
Verticillium dahliae infecting olive in Andalusia,
southern Spain. R. M. JIMENEZ-DIAZ (3), C.
Olivares (3), J. A. Navas-Cortes (1), B. B. Landa (1),
M. Jimenez-Gasco (2). (1) CSIC, Cordoba, Spain,
(2) The Pennsylvania State University, University
Park, PA, U.S.A., (3) University of Cordoba,
Cordoba, Spain
P-371 Comparing the genetic diversity of cucumber mosaic
virus (CMV) in snap bean and pepper: Implications
for locally specific inoculums. S. NOURI (1),
T. German (1), R. Groves (1). (1) University of
Wisconsin-Madison, Madison, WI, U.S.A.
P-372 Assessing population structure of the most prevalent
North American races of Puccinia graminis f. sp.
tritici using molecular markers. S. M. STOXEN
(2), L. J. Szabo (1). (1) USDA-ARS Cereal Disease
Laboratory, St. Paul, MN, U.S.A., (2) University of
Minnesota, St. Paul, MN, U.S.A.
P-373 Application of mycelial compatibility grouping in
studying intra-field spread of Sclerotinia trifoliorum
in a chickpea field. E. N. NJAMBERE (3), W. Chen
(1), C. Frate (2), S. Temple (2). (1) USDA ARS,
Pullman, WA, U.S.A., (2) University of California,
Davis, CA, U.S.A., (3) Washington State University,
Pullman, WA, U.S.A.
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