Seasonal fluctuation of Oriental fruit Moth Grapholita molesta (Busck) with sexual pheromone trap in peach orchards in Bento Gonçalves, RS, Brazil.
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Seasonal fluctuation ofGrapholfta molesta (Busck, 1916) (Lepidoptera: Tortricidae) males W:iS evaluated in two commercial peach orchards cv Chiripá in Bento Gonçalves, RS. during June of 200U to July of 2002. The insects were cvaluated weekly using Delta traps (two/orchard) baíted with cornmercial synthetic sex pherornonc (E-8-dodecenyl-acetate + Z-8-dodecenyl-ac~tc + Z-8- dodccenol), Four peaks were observed during peach production period: last week of August, first of Novembcr and December and second of January. Médium temperature sevcn days before evaJuation was positivcly correlated with catches of G. molesta males in the traps. lnformation about seasonal fluctuation Ca.,11be uscd for growers as a tool to guide insecticide treatments for pest control in peach orchards. Key words: Oriental Fruit Moth, seasonal fluctuation, peach, Integrated Fruit Production.
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Produção Integrada de Pêssego, Bento Gonçalves, Rio Grande do Sul, Controle, Armadilha, Feromônio, Fruticultura, Inseto, Mariposa Oriental, Pêssego, Praga de Planta