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This pest has assumed serious proportions in all grape growing regions of India in recent years. The adults and young nymphs of hoppers suck sap exclusively from the lower side of the leaves.
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Carbaryl at 0.15 percent, Fenitrothion at 0.04 percent, Phosalone at 0.05 percent or Quinalphos at 0.05 percent are sprayed to control this pest. A mixture of Quinalphos at 0.05 percent and Phosalone at 0.05 percent is more effective on the nymphs while Tridemorph at 0.1 percent only is effective on the adults. |
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