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Stem Fly

Pest● mediumStage 3: Vegatative stage

SYMPTOMS

The eggs are laid on leaves. After hatching from the egg yellowish maggots bore the nearest vein of the leaf. The maggot then reach the stem through petiole and bore down the stem. If the infected stem is opened by splitting, distinct zig zag reddish tunnel can be seen with maggot or pupae inside it. The maggots feed on cortical layers of the stem, may extend to tap root, killing of the plant.

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Stem Fly in Soyabean — Solutions | Katyayani Organics