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1 April 2011 Effectiveness of Insecticides in Controlling the First and Second Generations of the Lobesia botrana (Lepidoptera: Tortricidae) in Table Grapes
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The moth Lobesia botrana (Denis & Schiffermüller) (Lepidoptera: Tortricidae) is a key pest of table and wine grape (Vitis spp.) varieties in Cyprus. Many different insecticide combinations were applied for three consecutive years (2006–2008) in a Sultana seedless table grape vineyard, aimed at controlling the first and second generations of this pest under warm and dry Mediterranean climatic conditions. In Cyprus, Sultana is the main early maturing table grape variety grown in the country. L. botrana has two generations and a partial third on this export variety, of which the first two generations are the most destructive. Applications were made according to pheromone trap captures of males. One application was used against the first and two applications against the second generation of L. botrana. A high rate of bunch damage was observed in the untreated rows during all years, reaching 56.7, 62.5, and 69.2% in 2006, 2007, and 2008, respectively. Differences between insecticide treatments and the untreated control were statistically significant. The treatment combination of lufenuron, spinosad, and indoxacarb as well as the combination of chlorpyrifos, spinosa and indoxacarb, used against the first and second generations of L. botrana, were the most effective compared with the untreated control. Satisfactory control of the pest also was observed with other combinations such as lufenuron, cypermethrin, and Bacillus thuringiensis; chlorpyrifos, Cypermethrin, and B. thuringiensis; and lufenuron, deltamethrin, and azadirachtin.

© 2011 Entomological Society of America
V. A. Vassiliou "Effectiveness of Insecticides in Controlling the First and Second Generations of the Lobesia botrana (Lepidoptera: Tortricidae) in Table Grapes," Journal of Economic Entomology 104(2), (1 April 2011).
Received: 16 September 2010; Accepted: 1 January 2011; Published: 1 April 2011

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