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Whitefly Control on Tomatoes: Insecticide Rotation and Monitoring

Whiteflies suck sap, excrete honeydew causing sooty mold. Control requires breaking life cycle: spray every 2 days for 21 days at 70–80°F. Rotate insecticides: dichlorvos, thiodan, malathion, naled. Combine pyrethroid + organophosphate or soap + pyrethroid. Use M-Pede (potassium salts) for better coverage. Azatin EC (biological) targets nymphs. Yellow sticky cards monitor adults. Tolerate ≤25 nymphs/leaf; act at ≥50.

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