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The American pinworm [Tuta absoluta] is one of the major and important pests of tomato. Tuta absoluta is a serious pest that is highly harmful in all stages of its life cycle. IPM practices can be adopted to avoid and manage the pest throughout its life cycle. The crop losses are as high as 60 to 100% due to the infestation by Tuta absoluta. Its infection is visible on buds, leaves and stems, flowers and fruits, on which a fine powdery layer with black spots appears.
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It burrows in the leaves and eats the lamina of the leaves, affecting the photosynthetic activity, as well as making them inedible by piercing the fruits.
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For its management follow crop rotation with non-solanaceous crops (preferably cruciferous crops).
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Infested leaves need to be removed before the caterpillar inside the leaf is able to pupate and become an egg-laying adult moth.
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The use of pheromone traps is beneficial.
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For Chemical Control Spray Cyantraniliprole 10.26 % Od @ 240 ml + Neem oil 10000 ppm @ 200 ml or Quinalphos 25% Ec 400 ml + Abamectin 1.9% Ec 150 ml + Neem oil 10000 ppm @ 200 ml or Lambda Cyhalothrin 5% Ec + Neem oil 10000 ppm @ 200 ml per acre.
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