How to cite this article:
Ravindra, J. Waghole, and Dattatraya, G. N. 2014. Attractant formulations for the management of grape mealy bug Maconellicoccus hirsutus (Green). Journal of Biopesticides, 7, 83-88.
The pinkhibiscus mealy bug Maconellicoccus hirsutus (Green) is a seriouseconomic threat to agriculture, forestry and the nursery industries. Highincidence of it observed in the grape vineyards resulted in a poor fruitquality, declined crop yields and substantial economic loss. Hence it isnecessary to develop an effective formulation for its control. Althoughinformation about the sex pheromones of mealy bug is reported, the informationabout attractant pheromone of mealy bug is not known. To isolate it, colony ofmealy bug, M. hirsutus was maintained and the crawler mealy bugs wereextracted. Bioassay of the crude extract obtained was carried out on thecrawlers. Results indicated dose dependant attractant properties. The activitywas marginal at low concentration and increased gradually with concentration,went through the maximum and then reduced. Formulations of higher concentration(> 1.5 mg / ml) were repellent.
How to cite this article:
Ravindra, J. Waghole, and Dattatraya, G. N. 2014. Attractant formulations for the management of grape mealy bug Maconellicoccus hirsutus (Green). Journal of Biopesticides, 7, 83-88.
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