MANAGEMENT OF SHOT HOLE BORER, Xylosandrus crassiusculus (Motschulsky) (COLEOPTERA: SCOLYTIDAE) ON GRAPES

G KESHAVA REDDY, ABRAHAM VERGHESE

Abstract


Grape (Vitis vinifera L.) is one of the important commercial fruit crops.
Bangalore Blue, a grape cultivar of South India is seriously affected by the shot hole borer, Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Scolytidae). The present investigation was conducted to assess scolytid complex, damage potential in grape in Bangalore and Kolar, and to develop management strategies for X crassiusculus. Swabbing with dichlorvos @ 0.228% + acephate @ 0.225% + carbendazim@ 0.30% was the best and cost-effective treatment against X crassiusculus with minimal harm to non-target organisms.


Keywords


Grapes; shot hole borer; Xylosandrus crassiusculus

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