Prevention and Control of Underground Pests in Autumn Seedling Stage of Wheat

The main pests that damage wheat in autumn are seedlings, cockroaches and golden needles. According to observations, maggots harmed the wheat seedlings with bitter stems, and the fractures were not neat; the maggots damaged the rhizomes of the wheat seedlings, and the fractures were neat; the golden spear bored the wheat stems and the damaged part was numb, but the skin Still together. Observing the damages of the wheat seedlings carefully, it is possible to determine what kind of underground pests are occurring in the wheat field without digging the earth.

After the emergence of wheat, select a representative field survey, and when the rate of dead seedling reaches 3%, apply pesticide immediately.

Toxic soil uses 5% phoxim granules 2 kg per mu, or 3% phoxim granules 3 to 4 kg, or 2% methyl isofluosal powder 2 kg, 30 to 40 kg of fine soil, mixed Even after the uniform ditching, or after the sedge ridge application and then scratching and covering the earth, can effectively control the cockroaches and golden needles;

Pouring water with 40% methyl isofluosal or 50% phoxim 0.5 mg/mu, 750 kg/water, and pouring on ridges, which have special effects on cockroaches and wireworms;

Sprinkle the bait with 5 kg of wheat bran or cake flour, add the appropriate amount of water and 40% methyl isofluosal or 50% 1605 EC 50 grams after sauteing. Mix well and spread it in the field in the evening, 2 to 3 kg per mu. The control effect of earthworms can reach more than 90%.

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