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http://dx.doi.org/10.7585/kjps.2013.17.1.27

Leaf Damage Symptom of Grape (Vitis vinifera) by Tea Bagworm (Eumeta minuscula) and Control Efficacies of Several Insecticides against the Eumeta minuscula  

Song, Jin Sun (Horticultural & Herbal Crop Environment Division, National Horticulture of Horticultural & Herbal Science)
Lee, Chae Min (Department of Ecological Science, College of Ecology and Environment Sciences, Kyungpook National University)
Lee, Dong Woon (Department of Ecological Science, College of Ecology and Environment Sciences, Kyungpook National University)
Publication Information
The Korean Journal of Pesticide Science / v.17, no.1, 2013 , pp. 27-32 More about this Journal
Abstract
Damage of tea bagworms, Eumeta minuscula was observed for the first time from grape leaves of grape (varieties: Cambell Early and M.B.A.) from a vinery at Gumho-up, Gyeongsan, Gyeongbuk on 31 August, 2012. Activity of insecticides [Bacillus thuringiensis var. kurstaki (serotype IIIa, IIIb) WP, chlorantraniliprole 5% GP, methoxyfenozide 21% SC, spinetoram 5% GP, and spinosad 10% GP] was tested on fourth instar larvae of Eumeta minuscula in laboratory. Mortality of 4th instar of Eumeta minuscula was higher when treated with spinosad 10% WG (88.7%) and spinetoram 5% WG (67.7%) sprayed with field recommended concentration using a home sprayer in laboratory. Mortality decreased as the concentration decreased, however leaf damage rate was significantly different between the one-fourth rate and the control. Spinetoram 5% WG and spinosad 10% WG showed 63.7 and 55.7% respectively mortality of fourth instar Eumeta minuscula in field. Though these two insecticides could be used for the control of bagworms on grape, a more effective insecticide needs to be found.
Keywords
Control efficacy; Eumeta minuscula; Grape; Mortality;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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