Annual Meeting Program Book - American Phytopathological Society

A&F University, Yangling, Shaanxi, China
P-294 Predicting potential impacts of climate change on
Armillaria root disease in the inland northwestern
U.S.A. N. B. KLOPFENSTEIN (1), M. Kim (2),
J. W. Hanna (1), B. A. Richardson (3), A. L. Smith
(4), H. Maffei (4). (1) USDA Forest Service, Rocky
Mountain Research Station, Moscow, ID, U.S.A.
(2) Department of Forest Resources, College of
Forestry, Kookmin University, Seoul, Republic of
Korea; (3) USDA Forest Service, Rocky Mountain
Research Station, Shrub Sciences Laboratory, Provo,
UT, U.S.A. (4) USDA Forest Service, Forest Health
Monitoring Region 6, Central Oregon Insect and
Disease Service Center, Bend, OR, U.S.A.
P-295 Genetic diversity of Tilletia caries isolates
from wheat in Washington State. G. J.
MATANGUIHAN (1), S. S. Jones (1). (1)
Washington State University, Pullman, WA, U.S.A.
P-296
flash
&
dash Multi-gene phylogeny and genetic diversity
P-297
within Phytophthora capsici in New Mexico. S. F.
Hanson (1), M. PEIMAN WILLIAMS (1). (1) New
Mexico State University, Las Cruces, NM, U.S.A.
Four records of Phytophthora species for nursery
irrigation water in Virginia. C. Hong (1), P. A.
RICHARDSON (1), S. R. Ghimire (1), W. Hao
(1), G. W. Moorman (2), J. D. Lea-Cox (3), D. S.
Ross (3), P. Kong (1), Z. Xu (1). (1) Virginia Tech,
Virginia Beach, VA, U.S.A. (2) Pennsylvania State
University, State Park, PA, U.S.A. (3) University of
Maryland, College Park, MD, U.S.A.
P-298 Spatial distribution of Phytophthora cinnamomi in
forest soils of the Carolinas. I. M. MCLAUGHLIN
(1), S. N. Jeffers (1). (1) Clemson University, Clemson,
SC, U.S.A.
P-299 Phytophthora cinnamomi on Atlantic rain forest soil
in Bahia, Brazil. E. M. LUZ (1), D. A. Magalhães
(1), J. Bezerra (1), J. T. de Souza (2), K. P. Gramacho
(1), M. O. Santos (1). (1) CEPLAC CEPEC
SEFIT, Itabuna, BA, Brazil; (2) UFRB
P-300 Phytophthora and Pythium databases: A growing cyber
infrastructure supporting the identification and
monitoring of major pathogen groups. B. PARK (1),
S. Kang (1). (1) Penn State University, University
Park, PA, U.S.A.
P-301 First approach to the characterization of de novo
pyrimidine biosyntheis pathway in Phytophthora
infestans as a target for pathogen control. M. F.
GARAVITO (1), L. Garcia (1), B. H. Zimmermann
(1), S. Restrepo (1). (1) Universidad de Los Andes,
Bogota, Colombia
P-302 Infection of soybean plants from a commercial field
by more than one pathotype of Phytophthora sojae.
S. M. STEWART (1), A. E. Robertson (1). (1) Iowa
State University, Ames, IA, U.S.A.
P-303 Phenotypic and genotypic characteristics of
Phytophthora infestans from mating: Determination
of inheritance or recombination. P. G.
TUMBALAM (1), W. W. Kirk (1), L. R. Cooke
(2), D. Douches (1), G. C. Adams (1), M. Catal
(1), A. Rojas (1). (1) Michigan State University,
East Lansing, MI, U.S.A. (2) Applied Plant Science
Division, Agri-Food and Biosciences Institute,
Belfast, United Kingdom
P-304 Inheritance of cold temperature tolerance in
mycelium of Phytophthora infestans. P. TUMBALAM
(1), W. W. Kirk (1), L. R. Cooke (2), D. Douches
(1), G. C. Adams (1), M. Catal (1), A. Rojas (1). (1)
Michigan State University, East Lansing, MI, U.S.A.
(2) Applied Plant Science Division, Agri-Food and
Biosciences Institute, Belfast, United Kingdom
P-305 Stigmasterol and cholesterol down-regulate the
expression of elicitin genes in Phytophthora sojae. L.
F. YOUSEF (1), R. P. Dick (1), W. A. Dick (2). (1)
Ohio State University, Columbus, OH, U.S.A. (2)
Ohio State University, Wooster, OH, U.S.A.
P-306 Addressing the relationship between
Pseudoperonospora cubensis and P. humuli by
multigenic characterization and host specificity. M.
N. MITCHELL (1), C. Ocamb (1), D. Gent (2).
(1) Oregon State University, Covallis, OR, U.S.A.
(2) USDA-ARS, Dept. Botany and Plant Pathology,
Oregon State University, Corvallis, OR, U.S.A.
Phytoplasmas and Other Fastidious Prokaryotes
P-307 Current situation of citrus Huanglongbing in
Guangdong, Peoples Republic of China. X. DENG
(1), J. Chen (2), J. Xu (1), H. Guo (1), X. Pu (1),
L. Cai (1), H. Li (1). (1) South China Agricultural
University, Guangzhou, Peoples Republic of China;
(2) USDA ARS PWA, Parlier, CA, U.S.A.
P-308 Transmission of the huanglongbing pathogen Ca.
Liberibacter spp. from Citrus by dodder, Cuscuta
indecora Choisy, to periwinkle, Catharanthus roseus
G. Don. J. HARTUNG (1), C. Paul (1), R. H. Brlansky
(2), D. S. Achor (2). (1) USDA ARS MPPL,
Beltsville, MD, U.S.A. (2) University of Florida,
Citrus Research and Education Center, Lake Alfred,
FL, U.S.A.
P-309 Genetic analysis of a novel Xylella fastidiosa
subspecies found in the southwestern United States.
J. J. RANDALL (1), N. P. Goldberg (2), J. D.
Kemp (3), M. Radionenko (3), J. M. French (2),
M. W. Olsen (4), S. F. Hanson (3). (1) New Mexico
State University, Las Cruces, NM, U.S.A. (2)
NMSU Department of Extension Plant Sciences,
U.S.A.; (3) NMSU, Department of Entomology,
Plant Pathology, and Weed Sciences, U.S.A.;
(4) University of Arizona, Department of Plant
Sciences, U.S.A.
P-310 Nutritional requirements of Xylella fastidiosa that
causes bacterial leaf scorch of blueberry. M. Ahmed
(1), C. CHANG (1). (1) University of Georgia,
P-311
Griffin, GA, U.S.A.
flash
&
dash Genomic characterization of a phage in Xylella
fastidiosa almond leaf scorch strain. J. CHEN (1).
(1) USDA ARS PWA, Parlier, CA, U.S.A.
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