Key Techniques for Prevention and Control of Peanut Major Pests and Pests
Do you know how to prevent and cure the main pests and diseases of peanuts? If you understand these, you can plant peanuts. Next, we will introduce you to the prevention and control methods of the main pests and diseases of peanuts in detail. I hope that all the peanuts planted can be produced at high yield.
Prevention and treatment methods of main pests and diseases of peanuts:
(1) Brown spot disease, black spot disease. In the initial flowering stage of peanuts, when the diseased leaf rate reaches 10%-15%, spraying control is started, and spraying once every half month, three times in a row, can achieve better results. It can be sprayed with 50% carbendazim administrable powder, 50% methyl thiophanate 1000 times solution, or sprayed with 75% chlorothalonil or 70% sensitized zinc 600 times solution. Spray from the bottom up when spraying.
(2) Root rot. Seed disinfection can be carried out with 3% Guanglinglings or 50% carbendazim.
(3) Bacterial wilt. First, high-yield and disease-resistant varieties should be selected. Secondly, the seeds should be sterilized before sowing. In the onset period, os- Sterling water can be used for 300-400 times to fill the roots 1-2 times; 600-800 nights can also be used for spraying. Spray once every 7-10 days; spray 2-3 times continuously.
(4) Peanut leaf aphids. Commonly known as red spider. The specific control method is the single occurrence of the red spider, which can be controlled by spraying 15% broom emulsifiable concentrate 2500-3000 times liquid, 73% gram emulsifiable concentrate 1000 times liquid or 20% sterilizing emulsifiable concentrate 2000 times liquid; The plot where the spider and the white spider are mixed can be controlled by spraying with 1% 7051 insecticide emulsifiable concentrate (avermectin) 3000 times.
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