See the program book (PDF) - American Phytopathological Society

2008 APS POSteRS
P-622 Competitive studies on parasitic fitness using
blended soil infestations of mefenoxam-sensitive
and mefenoxam-resistant Phytophthora erythroseptica
isolates under fungicide selection pressure. V.
CHAPARA (1), R. J. Taylor (1), J. S. Pasche (1), N.
C. Gudmestad (1). (1) Dept. of Plant Pathology,
North Dakota State University, Fargo, ND, U.S.A.
P-623 Sensitivity to azoxystrobin, difenoconazole and
cyprodinil of Alternaria spp. isolates causing
Alternaria leaf spot on almonds. G. OLAYA (2),
R. Bounds (1), A. Tally (1). (1) Syngenta Crop
Protection, Greensboro, NC, U.S.A., (2) Syngenta
Crop Protection, Vero Beach, FL, U.S.A.
P-624 Evolving management strategies for Monilinia
fructicola populations with reduced sensitivity to
DMIs in Georgia and implications for brown rot
control recommendations. P. M. BRANNEN (3),
K. Taylor (4), M. Hotchkiss (2), C. Reilly (2), G.
Schnabel (1), A. Amiri (1). (1) Clemson University,
Clemson, SC, U.S.A., (2) USDA-ARS, Byron, GA,
U.S.A., (3) University of Georgia, Athens, GA,
U.S.A., (4) University of Georgia, Byron, GA, U.S.A.
P-625 A single amino-acid change in the cytochrome b560
subunit of succinate dehydrogenase complex (SdhC)
correlates with boscalid resistance in Alternaria
alternata isolates from California pistachio. H. F.
AVENOT (2), A. Sellam (1), D. P. Morgan (2), T. J.
Michailides (2). (1) Biotechnology Research Institute,
Montreal, Canada, (2) University of California
Davis, Kearney Agricultural Center, Parlier, CA,
U.S.A.
P-626 Fungicide sensitivity in North Carolina
populations of Colletotrichum cereale and molecular
characterization of benzimidazole- and QoIinsensitive
strains. L. P. TREDWAY (1), M. D. Soika
(1), M. L. Bunting (1). (1) Department of Plant
Pathology, North Carolina State University, Raleigh,
P-627
104
NC, U.S.A.
Flash
&
dash
Flash
&
dash Invasion and management of coffee leaf rust in
high altitude coffee plantations in Kenya. G. KAIRU
(1). (1) Coffee Research Foundation, Ruiru, Kenya
P-628 Distribution and control of Pseudocercospora
angolensis on citrus in Zimbabwe and Mozambique.
M. C. PRETORIUS (1), G. Holtz (2), (1) Citrus
Research International, Nelspruit, Mpumalanga,
South Africa, (2) Department of Plant Pathology,
University of Stellenbosch, Matieland, South Africa
P-629 Evaluation of TOPGUARD for control of Asian
soybean rust in Alabama. E. J. SIKORA (1), D. P.
Delaney (1), M. A. Delaney (1), K. S. Lawrence (1),
M. Pegues (1). (1) Auburn University, Auburn, AL,
U.S.A.
P-630 Implications of fungicide application delays on Asian
soybean rust control. M. L. ZACCARON (1), J. L.
de Oliveira (1), G. W. Fengler (1), B. A. Pontim (1),
B. Zuntini (1), M. Mendes (1), R. Kobayashi (1), L.
A. Bacchi (1), W. L. Gavassoni (1). (1) Universidade
Federal da Grande Dourados, Dourados, Brazil
P-631 The importance of geographical location of field trials
virtual
Flash
& dash
in evaluating new fungicides against Mycosphaerella
graminicola. C. YAO (1), D. Young (1), C.
Klittich (1), A. Meitl (1). (1) Dow AgroSciences,
Indianapolis, IN, U.S.A.
P-632 Detection of high concentrations of organic acids in
fish emulsion and their role in pathogen or disease
suppression. P. A. ABBASI (1), G. Lazarovits (1), B.
Weselowski (1). (1) Southern Crop Protection and
Food Research Centre, Agriculture and Agri-Food
Canada, London, Ontario, Canada
P-633 Effect of glyphosate on foliar diseases in Roundup
Ready alfalfa. D. Foster-Hartnett (2), D. A. SAMAC
(1). (1) USDA ARS, St Paul, MN, U.S.A., (2)
University of Minnesota, St Paul, MN, U.S.A.
P-634 Dose response of soilborne pathogens to acrolein. J.
S. GERIK (1), D. Wang (1). (1) USDA-ARS, Parlier,
CA, U.S.A.
P-635 Source of more than 60 years of chemical diseasecontrol
data: The publication ‘Fungicide and
Nematicide Tests’, 1945–2006. D. F. RITCHIE
(1), K. S. Yoder (3), D. S. Egel (2). (1) N.C.
State University, Raleigh, NC, U.S.A., (2) Purdue
University, SW Purdue Ag. Center, Vincennes, IN,
U.S.A., (3) VA Tech Agric. Res. & Ext. Center,
Winchester, VA, U.S.A.
P-636 Toxicity of commercial algaecides to Phytophthora
ramorum. G. C. COLBURN (1), S. N. Jeffers (1). (1)
Department of Entomology, Soils & Plant Sciences,
Clemson University, Clemson, SC, U.S.A.
P-637 The virulence of Banana bunchy top virus in banana
plants after injection with a bananacide. E. A.
PEREZ (2), C. R. Hooks (2), K. Wang (2), M. G.
Wright (2), R. P. Almeida (1), R. Manandhar (2). (1)
University of Berkeley, (2) University of Hawaii
P-638 Prophylactic foliar fungicide and insecticide
applications and their impact on soybean yield
components. L. M. ORTIZ-RIBBING (1), G. K.
Roskamp (2), M. D. Roegge (1). (1) University of
Illinois Extension, (2) Western Illinois University
P-639 Control of Asian soybean rust using sequential
fungicide applications. E. J. SIKORA (1), D. P.
Delaney (1), M. A. Delaney (1), K. S. Lawrence
(1), M. Pegues (2). (1) Auburn University, Auburn,
AL, U.S.A., (2) Gulf Coast Research and Extension
Center, Fairhope, AL, U.S.A.
P-640 Low-doses of fungicides have a stimulatory effect on
Pythium spp. in vitro and in planta. C. D. GARZON
(1), G. W. Moorman (3), J. M. Yánez (3), J. E.
Molineros (2), R. C. Leonard (3), M. Jimenez-Gasco
(3). (1) Dept. Biology, The College of Wooster,
Wooster, OH, U.S.A., (2) Dept. Epidemiology
and Biostatistics, Case Western Reserve University,
Cleveland, OH, U.S.A., (3) Dept. Plant Pathology,
Pennsylvania State University, University Park, PA,
P-641
Signifies Flash-&-Dash and Virtual Flash-&-Dash posters.
U.S.A.
virtual
Flash
& dash Evaluation of phosphite generating materials for
Black Shank control. A. S. CSINOS (1), L. Hickman
(1), K. L. Mullis (1), P. Ji (1). (1) University of
Georgia, Tifton, GA, U.S.A.