The diseased peanut root-knot nematode diseased plant roots produce insects and fleas, the roots are tangled like fibrous roots, and soil particles are difficult to shake off. The plants are dwarf leafy yellow, resulting in serious reduction of yield. Control methods: Use 5% aldicarb (grain extermination grams) granules 3 kg per 1667 square meters or 15% aldicarb Granules 1 kg or 10% grams of Phosphorus granules 3 kg etc. Combined with peanut sowing, directly or Fine soil (sand) 5~10 kilograms are planted or spread around the seeds, which is safe for seeds and has obvious control effect. At the same time, we will treat various species of insects such as terrapins, root lice and ground-feeding stems and leaves. The main methods for the control of peanut bacterial wilt and the sowing of peanut variety Luhua No. 3 with high resistance to bacterial wilt can basically control the occurrence of diseases. Peanut stalk rot commonly known as rickets, peanut black rot commonly known as crown rot. Both of these diseases were infested by fungi and the seeds were carried. Control methods: Forbidden seeds used for seeding. Seeds used for seeding must not become moldy at any point in the collection, drying and storage process. If the seed is “boiledâ€, 50% carbendazim wettable powder can be used to seed 0.3% of the seed amount. Insect pest control methods, can use 35% seed coating No. 4 according to the seed amount of 2% seed dressing, or peanut seed sowing every 667 square meters with 10% octopine (812) powder granules 0.5 kg, or 3% 2 kg of methyl isofluosaphos granules, or 5% of diclofenac granules, 2 kg, etc. with the functions of absorption, contact killing, stomach poisoning, etc., directly or with fine soil (sand) 5~10 kg Back cover species. It is safe for peanut seed, rooting, germination, emergence and growth. For aphid prevention and control methods, if the above crop cover species is not used to control root knot nematode disease or fleas, or the field is poor after the application of pesticides, when 100 berths are found to reach 1000 heads, 50% methylamine should be sprayed in time. Phosphorus EC is 1000-1500 times, or 20% GSK, 1500-2000 times, or 40% omethoate EC 800-1000 times.
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