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FIELD BIOASSAY EVALUATIONS FOR CONTROL OF JAPANESE BEETLE ON GRAPES, 2004

FIELD BIOASSAY EVALUATIONS FOR CONTROL OF JAPANESE BEETLE ON GRAPES, 2004 (C25) GRAPES: Vitis lubrusca L., ‘Clinton’ FIELD BIOASSAY EVALUATIONS FOR CONTROL OF JAPANESE BEETLE ON GRAPES, 2004 R. N. Williams Department of Entomology Ohio Agricultural Research & Development Center The Ohio State University 1680 Madison Ave. Wooster, OH 4469l Phone: (330) 263-3731 Fax: (330) 263-3686 E-mail: Williams.14@osu.edu D. S. Fickle E-mail: Fickle.1@osu.edu Japanese beetle: Popillia japonica Newman Treatments were evaluated for efficacy against the Japanese beetle in an experimental 'Clinton' vineyard at Wooster, Ohio. Plots consisted of two grape vines, with four replications per treatment in a RCB block design. Treatments were applied as foliar sprays at a rate of 100 gpa on 19 Jul. A hand-held CO sprayer operating at 45 psi and equipped with a 9505-E-TeeJet nozzle was used to apply treatments. No phytotoxicity was observed in these studies. On 0, 1, 2 and 3 DAT treatment four leaves were randomly chosen from each treatment and placed in 1 gal ice cream containers along with 10 adult beetles. The 1 gal containers were modified by placing plastic liners inside and cheese cloth over the top. After 24 hr a count of the number of dead beetles was taken. Data were analyxed using ANOVA and means were separated using an F-protected LSD (P ≤ 0.05). Japanese beetle results indicated that all treatments provided control through day 3. Danitol, Assail and TD472-01 were not statistically different. No phytotoxicity was noted. No. of dead beetles Rate Treatment/formulation amt product/acre 0 DAT 1 DAT 2 DAT 7 DAT Assail 70 WP 1.14 oz 9.50a 8.00a 9.00a 9.00a TD2472-01 30WSG 2.50 oz 8.75a 8.00a 9.25a 8.25ab Danitol 2.4EC 10.70 fl oz 9.75a 9.50a 10.00ab 9.75a Capture 2EC 3.20 fl oz 8.20a 8.25b 8.50a 7.00b Untreated check --- 0.50b 0.75b 1.50b 0.75c Means within the same column followed by the same letter are not significantly different as determined by an F-protected LSD (P > 0.05). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

FIELD BIOASSAY EVALUATIONS FOR CONTROL OF JAPANESE BEETLE ON GRAPES, 2004

Arthropod Management Tests , Volume 30 (1) – Jan 1, 2005

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Oxford University Press
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© Published by Oxford University Press.
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2155-9856
DOI
10.1093/amt/30.1.C25
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Abstract

(C25) GRAPES: Vitis lubrusca L., ‘Clinton’ FIELD BIOASSAY EVALUATIONS FOR CONTROL OF JAPANESE BEETLE ON GRAPES, 2004 R. N. Williams Department of Entomology Ohio Agricultural Research & Development Center The Ohio State University 1680 Madison Ave. Wooster, OH 4469l Phone: (330) 263-3731 Fax: (330) 263-3686 E-mail: Williams.14@osu.edu D. S. Fickle E-mail: Fickle.1@osu.edu Japanese beetle: Popillia japonica Newman Treatments were evaluated for efficacy against the Japanese beetle in an experimental 'Clinton' vineyard at Wooster, Ohio. Plots consisted of two grape vines, with four replications per treatment in a RCB block design. Treatments were applied as foliar sprays at a rate of 100 gpa on 19 Jul. A hand-held CO sprayer operating at 45 psi and equipped with a 9505-E-TeeJet nozzle was used to apply treatments. No phytotoxicity was observed in these studies. On 0, 1, 2 and 3 DAT treatment four leaves were randomly chosen from each treatment and placed in 1 gal ice cream containers along with 10 adult beetles. The 1 gal containers were modified by placing plastic liners inside and cheese cloth over the top. After 24 hr a count of the number of dead beetles was taken. Data were analyxed using ANOVA and means were separated using an F-protected LSD (P ≤ 0.05). Japanese beetle results indicated that all treatments provided control through day 3. Danitol, Assail and TD472-01 were not statistically different. No phytotoxicity was noted. No. of dead beetles Rate Treatment/formulation amt product/acre 0 DAT 1 DAT 2 DAT 7 DAT Assail 70 WP 1.14 oz 9.50a 8.00a 9.00a 9.00a TD2472-01 30WSG 2.50 oz 8.75a 8.00a 9.25a 8.25ab Danitol 2.4EC 10.70 fl oz 9.75a 9.50a 10.00ab 9.75a Capture 2EC 3.20 fl oz 8.20a 8.25b 8.50a 7.00b Untreated check --- 0.50b 0.75b 1.50b 0.75c Means within the same column followed by the same letter are not significantly different as determined by an F-protected LSD (P > 0.05).

Journal

Arthropod Management TestsOxford University Press

Published: Jan 1, 2005

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