1. Prevention and control of plant diseases and pests at the seeding stage (late April-late May) Indications of pests: peanut root knot nematode disease, stalk rot, bacterial wilt, root rot, white peony disease, sclerotia, underground pests. Prevention and control measures: (1) Select good varieties that are resistant to pests and diseases, and rotate them in a reasonable manner. (2) The application of disease-free net fertilizer should not use unripe organic fertilizer, and increase phosphorus and potassium fertilizers. (3) Chemical control can use carbendazim seed dressing, or use carbendazim soaking to prevent peanut dumping diseases; available ammonia copper spraying roots to prevent bacterial wilt; available methyl isophosphorus ditch or acupuncture points to prevent root knots Nematode and underground pests. 2. Prevention and control of diseases and insect pests from the seedling stage to the next stage Indications of pests: peanut stalk rot, root rot, virus disease, aphids and so on. Control measures: Thiophanate can be used to prevent diseases; dimethicin powder and trichlorfon powder can be used to formulate toxic soil and peanuts can be used to kill and kill aphids in the rhizosphere. It is also possible to control aphids with 20% oxazolyl-acetophenone, 20% fenpropathrin EC, or 25% imidacloprid wettable powder. 3. Disease and Insect Pest Control during Fruiting Period (late June-late July) Indications of pests: leaf spot, stalk rot, white peony disease, sclerotinia, cotton bollworm, two-spotted spider mite, cricket, etc. Control measures: (1) Thiophanate can be used to prevent rot and white rot. (2) Acetaminophen or quick-release can be used to control Sclerotinia. (3) Thiophanate or carbendazim can be used to control leaf spot. (4) Phoxim, or beta-cypermethrin, can be used to control bollworms. (5) 20% fenpropathrin can be used, or kung fu to control the two-spotted spider mite. 4, pest control during harvest Indications of pests: peanut stem rot, leaf spot, root knot nematode disease. Control measures: Combine harvesting peanuts and pick up picks. Keep peanuts in a timely manner to prevent mildew.
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