One worm a day Vegetable pest popularization article - thrips
• Thrips
• It is a tauroptera, small in body, pale yellow to brownish yellow or black.
• Mainly harmful eggplant, peppers, but also harmful melons and legumes vegetables.
• File suction mouthpiece.
• Why is it called Thrips?
• Can fly good jump.
• 2. Hazards
• (1) Saliva venom: The toxin in the saliva causes plant deformities.
• (2) Bacterial and mycosis: Wounds caused by thrips feeding, creating opportunities for invasion.
• (3) Viral diseases: Virulents are poisoned in the larval stage, and both larvae and adults can transmit the disease. Smoking 30m to get poison, 8-10h latent, and then smoking 15m on the healthy plant, you can get infected.
• Thrips nymphs, adults
• Hazard characteristics and living habits
• Files suck the sap of the heart leaves and young shoots, the growth point shrinks and turns black, and the heart leaves cannot be unfolded; The back of the leaf is yellow and shiny.
• Relatively resistant to high temperatures, july-September entry occurrence and peak of harm.
• Generational overlap is severe, and hatching nymphs are clustered.
• 1-2 year old nymphs are mostly active and feeding in the upper part of the plant or on the back of the leaves.
Prevention and control methods:
• Cure flowers do not cure pods
• Spray flowers without spraying leaves
• Before 9:00 AM
• Handle floor flowers