Annual Meeting Program Book - American Phytopathological Society

MondaY
3:00 p.m. O-93. Determining distribution and prevalence
of Fusarium crown rot and common root rot
in Montana wheat using real-time qPCR. E. A.
MOYA (1), A. Dyer (1), A. Hogg (1), B. J. Jacobsen
(1). (1) Montana State University, Bozeman,
MT, U.S.A.
3:15 p.m. O-94. Pre-emergence damping off of Beta vulgaris
by Rhizopus stolonifer. R. P. NAEGELE (1), L. E.
Hanson (2), J. M. McGrath (2). (1) Michigan
State University, East Lansing, MI, U.S.A.; (2)
USDA-ARS Sugarbeet and Bean Research, Michigan
State University, East Lansing, MI, U.S.A.
Fruit & Nuts
1:00 – 3:30 p.m.; A105
Section: Diseases of Plants
Moderator: Michelle Moyer, Cornell University NYSAES,
Geneva, NY, U.S.A.; Kubilay Kurtulus Bastas, Selcuk
University Faculty of Agriculture, Konya, Turkey
1:00 p.m. O-95. Simultaneous occurence of bacterial pathogens,
Agrobacterium vitis, A. tumefaciens and
Xylophilus ampelinus, on the same grapevine and
various cultivars. K. BASTAS (1), S. Altinparmak
(1). (1) Selcuk University Faculty of Agriculture,
Konya, Turkey
1:15 p.m. O-96. Pathogen of apple ring rot and its relation
to the pathogen of Botryospharia canker of apple
and pear. L. GUO (1), W. Tang (2). (1) China
Agricultural University, Beijing, Peoples Republic
of China; (2) Plant Pathology Dept., China Agricultural
University, Peoples Republic of China
1:30 p.m. O-97. A new member of the family Reoviridae
isolated from crumbly fruited ‘Meeker’ red raspberry.
D. QUITO (1), W. Jelkmann (2), R. R.
Martin (3). (1) Department of Botany and Plant
Pathology, Oregon State University, Corvallis,
OR, U.S.A.; (2) Julius Kuhn Institut, Dossenheim,
Germany; (3) USDA-ARS Horticultural
Crops Research Laboratory, Corvallis, OR, U.S.A.
1:45 p.m. O-98. Effects of low temperature events on host
susceptibility and on infection, colony development
and survival of Erysiphe necator. M. M.
MOYER (1), D. M. Gadoury (1), I. B. Dry (2),
L. Cadle-Davidson (3), R. C. Seem (1). (1) Cornell
University NYSAES, Geneva, NY, U.S.A.; (2)
CSIRO Plant Industry, Glen Osmond, SA, Australia;
(3) USDA ARS Grape Genetics Research
Unit, Geneva, NY, U.S.A.
2:00 p.m. O-99. Fairy ring disease of cranberry: New developments
and characterization of the causal agent.
J. J. POLASHOCK (1), J. Vaiciunas (2), P. V.
Oudemans (2). (1) USDA ARS, Chatsworth, NJ,
U.S.A.; (2) Rutgers University, U.S.A.
2:15 p.m. O-100. Identification and pathogenicity of
Botryosphaeria species associated with avocado
branch dieback and trunk canker in California. V.
T. McDonald (1), S. C. Lynch (1), A. ESKALEN
(1). (1) University of California, Riverside, CA,
U.S.A.
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2:30 p.m. O-101. Biology and sources of inoculum of
Geotrichum candidum causing sour rot of peaches
and nectarines in California. M. A. YAGH-
MOUR (1), R. M. Bostock (1), J. E. Adaskaveg
(2), T. J. Michailides (1). (1) University of
California, Davis, CA, U.S.A.; (2) University of
California, Riverside, CA, U.S.A.
2:45 p.m. O-102. Appressorium formation and growth
of Colletotrichum acutatum at different
temperatures and stages of blueberry fruit
development. T. D. MILES (1), A. C. Schilder
(1). (1) Department of Plant Pathology, Michigan
State University, East Lansing, MI, U.S.A.
3:00 p.m. O-103. Seed-borne and systemic populations of
Agrobacterium tumefaciens as sources of inoculum
for crown gall development on PARADOX
walnut rootstock. L. E. YAKABE (1), S. R.
Parker (2), A. E. McClean (2), M. M. Maccree
(2), D. A. Kluepfel (2). (1) USDA, Agricultural
Research Service, Davis, CA, U.S.A.; (2) USDA,
Agricultural Research Service, Crops Pathology/
Genetics Research Unit, U.S.A.
3:15 p.m. O104. Etiology and management of sour rot in
vineyards in Ontario, Canada. W. MCFADDEN-
SMITH (1), D. Inglis (2). (1) Ontario Ministry
of Agriculture, Vineland Station, ON, Canada;
(2) Brock University, St. Catharines, ON,
Canada, dinglis@brocku.ca
IPM
1:00 – 3:15 p.m.; A107-109
Section: Plant Disease Management
Moderators: Craig Austin, Cornell University NYSAES,
Geneva, NY, U.S.A.; Shanna Mazurek, North Dakota State
University, Fargo, ND, U.S.A.
1:00 p.m. O-105. Influence of climatic conditions on the
efficacy of early season fungicide applications to
manage dollar spot. J. KOENIG (1), T. E. Hicks
(1), J. W. Rimelspach (1), L. V. Madden (2), M.
Boehm (1). (1) Ohio State University, Columbus,
OH, U.S.A.; (2) Ohio State University, OARDC,
Wooster, OH, U.S.A.
1:15 p.m. O-106. Effects of foot traffic and sand topdressing
on anthracnose severity of annual bluegrass
putting green turf. J. A. ROBERTS (1), J. C.
Inguagiato (2), B. B. Clarke (1), J. A. Murphy
(1). (1) Rutgers University, New Brunswick, NJ,
U.S.A.; (2) University of Connecticut, Storrs, CT,
U.S.A.
1:30 p.m. O-107. Effects of soil pH on Rhizoctonia
damping-off of sugar beet and disease suppressiveness
caused by antagonistic soil microorganisms.
K. Watanabe (1), J. O. Becker (2), M. Kasuya (1),
H. Honjo (1), R. FUKUI (1). (1) Utsunomiya
University, Utsunomiya, Tochigi, Japan; (2) University
of California at Riverside, Riverside, CA,
U.S.A.