Annual Meeting Program Book - American Phytopathological Society

2009 aPs PosTers
(1), R. Bowden (2), M. Nita (3). (1) Kansas State
University, Manhattan, KS, U.S.A.; (2) USDA-
ARS, Manhattan, KS, U.S.A.; (3) Virginia Tech,
Winchester, VA, U.S.A.
P-536 Do dry conditions at-plant increase yellow dwarf of
winter wheat in Alabama? K. L. BOWEN (1). (1)
Auburn University, Auburn, AL, U.S.A.
P-537 Quantitative analysis of susceptibility to wheat
streak mosaic virus among alternate hosts and winter
wheat varieties in the Great Plains. D. ITO (1), M.
D. Moffet (1), M. E. Burrows (1). (1) Montana
State University, Bozeman, MT, U.S.A.
P-538 Characterization of wheat streak mosaic severity
trends across wheat fields. F. WORKNEH (1), C.
M. Rush (1). (1) Texas AgriLife Research, Bushland,
TX, U.S.A.
P-539 Distribution and characterization of soil-borne sugar
beet viruses in Iran. C. BRAGARD (1), M. Merhvar
(2). (1) Université catholique de Louvain, Unité
de phytopathologie, Louvain-la-Neuve, Belgium;
(2) Université catholique de Louvain, Unité de
phytopathologie, Louvain-la-Neuve, Belgium &
Ferdowsi University of Mashhad, Mashhad, Iran
P-540 Contamination of the spinach phylloplane by
Escherichia coli O157:H7: Do house flies play a role
in dissemination? L. WASALA (1), J. Talley (1), J.
Fletcher (1), S. Gilliland (1), A. Wayadande (1). (1)
P-541
78
Oklahoma State University, Stillwater, OK, U.S.A.
flash
&
dash Synergistic biofilm formation between S.
enterica and X. vesicatoria. L. HAO (1), J. Barak (1).
(1) University of Wisconsin-Madison, Madison, WI,
U.S.A.
Pathogen – Vector Interactions
P-542 Transmission efficiency of potato virus Y strains
PVYO and PVYN-Wi by five aphid species. A. F.
MELLO (1), R. Olarte (1), S. M. Gray (2), K. L.
Perry (1). (1) Cornell University, Ithaca, NY, U.S.A.;
(2) USDA, ARS, Plant Protection Unit, Ithaca, NY,
U.S.A.
P-543 Influence of aphid vector on the quasispecies of
CMV associated with disease epidemics in the midwest.
S. NOURI (1), R. Groves (1). (1) University
of Wisconsin, Madison, WI, U.S.A.
P-544 The capsid protein of cowpea chlorotic mottle virus
is a determinant for vector transmission by a beetle.
A. F. MELLO (1), A. J. Clark (1), K. L. Perry (1).
(1) Cornell University, Ithaca, NY, U.S.A.
P-545 Vector transmission of pineapple mealybug wilt
associated virus-2 by Dysmicoccus neobrevipes and
Pseudococcus longispinus in Hawaii. C. V. Subere (1),
D. M. Sether (1), W. B. Borth (1), M. J. Melzer
(1), J. S. HU (1). (1) Plant and Environmental
Protection Sciences, University of Hawaii at Manoa,
Honolulu, HI, U.S.A.
P-546 Spread of Xylella fastidiosa in a pecan orchard and
presence of potential vectors in orchards. R. S.
SANDERLIN (1), B. Li (2), R. A. Melanson (3), S.
Gil (4). (1) Louisiana State University Agricultural
Center, Pecan Research Station, Shreveport, LA,
U.S.A.; (2) Louisiana State University Agricultural
Center Experimental Statistics Department, Baton
Rouge, LA, U.S.A.; (3) Louisiana State University
Agricultural Center Plant Pathology and Crop
Physiology Department, U.S.A.; (4) Louisiana
State University Agricultural Center Entomology
Department, U.S.A.
P-547 The glassy-winged sharpshooter vector of Xylella
fastidiosa harbors a phytoreovirus. D. C. STENGER
(1), M. S. Sisterson (1), R. Krugner (1), E. A.
Backus (2), W. B. Hunter (3). (1) USDA ARS,
Parlier, CA, U.S.A.; (2) Research Entomologist; (3)
USDA-ARS, Ft. Pierce, FL, U.S.A.
Phyllosphere/Rhizosphere – Ecology
P-548 Comparison of real-time PCR vs. microscopy with
image analysis to quantify colonization of sclerotia
by a fungal biocontrol agent. T. Kim (1), G. R.
KNUDSEN (1). (1) University of Idaho, Moscow,
ID, U.S.A.
P-549 Mycelium pigmentation in relation to melanin-inhibiting
compounds and pathogenicity of Sclerotinia
sclerotiorum on Valencia peanut. P. LUJAN (1),
S. Sanogo (1), L. Liess (1). (1) New Mexico State
University, Las Cruces, NM, U.S.A.
P-550 Effect of production media on Sclerotinia
sclerotiorum inoculum fitness. I. Qandah (1), L.
E. DEL RIO MENDOZA (2). (1) Monsanto
Corporation, Spencer, IA, U.S.A.; (2) North Dakota
State University, Fargo, ND, U.S.A.
P-551 Ecophysiological determinants of three important
peach pathogens: Monilinia fructicola, Rhizopus
stolonifer, and Gilbertella persicaria. A. AMIRI
(1), W. Chai (1), G. Schnabel (1). (1) Clemson
University, Clemson, SC, U.S.A.
P-552 Exogenous choline contributes to Pseudomonas
syringae fitness on leaves of field-grown host and
nonhost plants. G. A. BEATTIE (1), B. C. Freeman
(1), C. Chen (1). (1) Iowa State University, Ames,
IA, U.S.A.
P-553 TonB dependent receptors of Pseudomonas fluorescens
Pf-5: Roles in siderophore and iron uptake. S. L.
HARTNEY (1), J. E. Loper (1). (1) Oregon State
University, Corvallis, OR, U.S.A.
P-554 Characterizing culturable microflora of nectarines:
Bacteria and their potential for biological control of
postharvest fruit decays. W. J. JANISIEWICZ (1).
(1) USDA ARS AFRS, Kearneysville, WV, U.S.A.
P-555 Communities of Pythium and Fusarium in soils from
Ct, NTand SC systems and their relationship with
seed rot and damping-off of soybean. B. LIU (1),
F. Louws (2). (1) North Carolina State University,
Raleigh, NC, U.S.A.; (2) PLPA, NCSU, Raleigh,
NC, U.S.A.