See the program book (PDF) - American Phytopathological Society

A. E. Dorrance (1). (1) The Ohio State University,
OARDC, Wooster, OH, U.S.A.
P-56 Understanding the genetic diversity of Phytopthora
cinnamomi Rands using a multi-locus sequence
based approach. M. A. MANSFIELD (1), M.
Coffey (2), M. Peiman (2), D. M. Geiser (1), S.
Kang (1). (1) The Pennsylvania State University,
Dept. Plant Pathology, University Park, PA, U.S.A.,
(2) University of California Riverside, Dept. Plant
Pathology, Riverside, CA, U.S.A.
P-57 Comparing New Zealand and United Kingdom
isolates of Phytophthora kernoviae. T. L. WIDMER
(1). (1) USDA, ARS, FDWSRU, Fort Detrick,
MD, U.S.A.
P-58 Phytophthora genomics: Identifying new markers
for population-level studies. J. E. BLAIR (1). (1)
Amherst College, Amherst, MA, U.S.A.
P-59 Phytophthora irrigata and Phytophthora hydropathica,
two new species from irrigation water at ornamental
plant nurseries. C. HONG (3), M. Gallegly (4), P.
Richardson (3), P. Kong (3), G. Moorman (1), J.
Lea-Cox (2), D. Ross (2). (1) The Penn State, (2)
University of Maryland, (3) Virginia Tech, (4) West
Virginia University
P-60 Phytophthora melonis, P. drechsleri and P. sinensis
from cucurbits. H. H. HO (1), M. E. Gallegly (2),
C. X. Hong (3). (1) Department of Biology, State
University of New York, New Paltz, NY, U.S.A., (2)
Department of Plant and Soil Sciences, West Virginia
University, Morgantown, WV, U.S.A., (3) Hampton
Roads Agricultural Research and Extension Center,
P-61
Virginia Tech, Virginia Beach, VA, U.S.A.
Flash
&
dash Viability of Phytophthora ramorum after passage
through slugs. J. L. PARKE (1), A. Oguchi (2), E.
J. Fichtner (2), D. M. Rizzo (2). (1) Oregon State
University, Corvallis, OR, U.S.A., (2) University of
California-Davis, Davis, CA, U.S.A.
P-62 Modification of culture medium for growth and
sporulation of Phytophthora infestans (Mont.) de Bary.
P-63
J. SOPEE (1), (1) Kasetsart University
Flash
&
dash Sporulation on plant roots by Phytophthora
ramorum. N. SHISHKOFF (1). (1) USDA/ARS/
FDWSRU
phytoplasmas and other Fastidious prokaryotes
P-64 Simple sequence repeats and their potential roles
in regulation of contingency genes in phytoplasma
genomes. W. WEI (2), X. Shi (2), R. E. Davis (2), D.
L. Nuss (1), Y. Zhao (2). (1) Center for Biosystems
Research, University of Maryland Biotechnology
Institute, Rockville, MD, U.S.A., (2) Molecular Plant
Pathology Laboratory, Agricultural Research Service-
USDA, Beltsville, MD, U.S.A.
P-65 Recurrent phage attacks and subsequent
recombination events shaped phytoplasma genome
architecture. W. WEI (2), R. E. Davis (2), R.
Jomantiene (1), Y. Zhao (2). (1) Institute of Botany,
Vilnius, Lithuania, (2) Molecular Plant Pathology
Laboratory, Agricultural Research Service-USDA,
Beltsville, MD, U.S.A.
P-66 Dynamic genome architecture and the emergence
of the phytoplasma clade. R. E. DAVIS (2), R.
Jomantiene (1), Y. Zhao (2), W. Wei (2). (1) Institute
of Botany, Vilnius, Lithuania, (2) Molecular Plant
Pathology Laboratory, Agricultural Research Service-
USDA, Beltsville, MD, U.S.A.
P-67 Detection of multiple strains of the aster yellows
phytoplasma in Wisconsin carrot fields. K. E.
FROST (2), C. L. Groves (1), R. L. Groves (1). (1)
Department of Entomology, Russell Laboratories,
University of Wisconsin, Madison, WI, U.S.A., (2)
Department of Plant Pathology, Russell Laboratories,
University of Wisconsin, Madison, WI, U.S.A.
P-68 A newly emerging potato disease associated with
16SrIII phytoplasmas in Montana. I. LEE (1), K.
D. Bottner (1), M. Sun (2). (1) Molecular Plant
Pathology Lab., USDA-ARS, Beltsville, MD, U.S.A.,
(2) Potato Lab., Montana State University Extension
Service, Bozeman, MT, U.S.A.
P-69 Citrus stubborn symptom severity and Spiroplasma
citri location within the tree canopy. A. S. MELLO
(2), R. K. Yokomi (1), M. Payton (2), J. Fletcher (2).
(1) ARS-USDA, Parlier, CA, U.S.A., (2) Oklahoma
State University, Stillwater, OK, U.S.A.
P-70 Xylella fastidiosa isolates from mulberry harbor a
25 kilobase pair plasmid with extensive sequence
identity to a plasmid from Verminephrobacter eiseniae.
D. STENGER (1), J. Chen (1). (1) USDA-ARS,
Parlier, CA, U.S.A.
P-71 Withdrawn
P-72 Identification of a chemosensory signal transduction
system in Xylella fastidiosa associated with twitching
motility and biofilm formation. L. Cursino (1), Y. Li
(1), L. De La Fuente (1), C. Galvani (1), P. A. ZAINI
(1), P. Mowery (2), H. C. Hoch (1), T. J. Burr (1).
(1) Cornell University, Geneva, NY, U.S.A., (2)
Hobart and William Smith Colleges, Geneva, NY,
U.S.A.
P-73 In planta distribution and quantification of Asiatic
strain of citrus Huanglongbing pathogen. U. S.
SAGARAM (1), S. Tatineni (1), J. Kim (1), N. Wang
(2). (1) Citrus Research and Education Center, (2)
Citrus Research and Education Center/Department
of Microbiology and Cell Science University of
Florida
P-74 Detection of phytoplasma and Candidatus
Liberibacter asiaticus in citrus showing
Huanglongbing (yellow shoot disease) symptoms in
Guangdong, P. R. China. J. CHEN (2), X. Deng (1),
S. Liu (1), X. Pu (1), H. Li (1), E. Civerolo (2). (1)
South China Agricultural University, Guangzhou,
P-75
China, (2) USDA-ARS, Parlier, CA, U.S.A.
Flash
&
dash Molecular characterization of a group 16SIII
phytoplasma associated with decline of China-treeE
(Melia azedarach L.) in Brazil. V. DUARTE (2), E.
G. Silva (1), I. R. Hass (1), I. Bedendo (1), E. W.
Kitajima (1). (1) ESALQ, Piracicaba, SP. Brazil, (2)
UFRGS, Porto Alegre, RS, Brazil
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