The correctness of pest control in wheat filling stage

How to control pests and diseases in wheat filling stage? Recently, readers have called and consulted. For this reason, the reporter interviewed Wang Baotong, an expert on the prevention and control of diseases and insect pests in the Shaanxi Province's wheat industry technical system, and Professor Wang Baotong from the College of Plant Protection of Northwest Agriculture and Forestry University. He pointed out that this year, the wheat flowering and grain filling period is roughly in early May, and this period is the peak period of pests and diseases. Special attention should be paid to the control of wheat stripe rust, powdery mildew, head blight, and midge pests and aphids.

Disease prevention and treatment "Mu with 12.5% ​​wolfberry Lee WP 20-30 grams of water spray 10 kg, can prevent rust, powdery mildew." Wang Baotong said that scab disease should be prevention-based, if more than 3 days with rainy weather , should be immediately sprayed to prevent, can be used 50% carbendazim WP 100 grams per mu or mullet glue suspension 80 grams of water 10 kg spray. Wang Baotong reminded that in areas where resistance to carbendazim has been caused by the Fusarium head blight, benzoylimidazole such as carbendazim should be discontinued.

Insect pest control and prevention of spider mites can be used for each mu of 1.8% avermectin EC 8 ~ 10 ml, watered 10 kg spray control. It is worth noting that the occurrence of midge insect plots should use 3% phoxim granules per kilogram of 3 kg per mu, and 30 kg of fine soil mixed in the worm-eaten period, evenly spread on the surface, and timely cultivator watering. For the control of wheat ears, Wang Baotong pointed out that 50% of Kangweiwei 8 ~ 10g/mu or 10% imidacloprid 20 ~ 25g/mu can be sprayed and sprayed with 10kg of water. In areas where there are serious panicle blasts, acetamiprid, imidacloprid, and anticonvulsive agents can be used for spray control. The concentrations should be used in strict accordance with the recommended dosage of the pesticide package instructions.

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