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Shot hole borer: Damaged trunk


Pest: Xyleborus perforans


Symptoms

Adult females bore into the basal part of the stem and roots. The insect causes small shot holes on roots, main trunk, wilting and finally leads to death of the tree.


Control

  • Avoid water logging and rake the soil.

  • Infested young plants should be uprooted and burnt.

  • Drench the soil around main trunk with chlorpyriphos @ 2.5 ml + Tridomorph @ 1ml per liter (use 2-3 lt. per vine).

  • After 3 weeks rpeat with monocrotophos @ 1.5 ml + Carbendizim @ 2.5 g/l.

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