After June, the weather gradually became hot. For vegetable growers, it was time for vegetables to prevent pests and diseases. Today, Xiaobian talks about the pests and diseases of cruciferous vegetables, late-season eggplant melons, beans and other vegetables. Prevention and control technology, I hope to help everyone.
1. Prevention and control of cruciferous vegetable diseases and insect pests
Cruciferous vegetables should be used for the prevention and control of pests such as Plutella xylostella, Pieris rapae, yellow-curved beetle, snails, etc. For the newly transplanted cruciferous crops, the soil should be treated with chemicals before the planting, and the way of pests and diseases should be predicted. .
2. Prevention and control of diseases and insect pests of late-season eggplant melons
Late-season eggplant melons should pay attention to the prevention and control of tomato early blight and powdery mildew, downy mildew, bacterial angular spot disease, etc. The pests should pay attention to the control of aphids, red spiders, Liriomyza sativae, and sassafras. .
3. Prevention and control of diseases and insect pests of legumes
Cowpea pay attention to the prevention of rust, powdery mildew, virus disease, etc., and control the bean wild carp in the flowering period of the cowpea.
Second, vegetable planting pest control agents
1, early blight: every 7-10 days using fluoride fungicides, azoxystrobin or dimethomorphs and other agents spray control, need to continue to use 3 times.
2. Downy mildew: 80% enoylmorpholine water-dispersible granules and 47% Chunleiwang copper wettable powder are sprayed every 7-10 days, and used continuously for 3 times.
3. Bacterial diseases: Spraying 20% ​​thiabend copper suspension, 6% spring leimycin, 50% chlorobromoisocyanuric acid soluble powder and other agents every 7-10 days, and using it continuously for 3 times.
4, rust, powdery mildew: every 7-10 days with tebuconazole, pyronium azoxystrobin, osthole drugs for drug control, continuous use 3 times.
5, aphids: using 0.5% matrine aqueous solution, thiamethoxam, 1.5% pyrethrin water emulsion or fluramide nitrile spray control.
6, red spider: the use of scorpion or emamectin benzoate spray control.
7. Liriomyza sativae: use the anti-mime pesticide spray to prevent and control.
8, cabbage caterpillar, Plutella xylostella: using 10% polychlortetracycline suspension, 150 g / l indoxacarb EC, 6% ethyl doxorubicin suspension, 32000 IU / mg Bacillus thuringiensis WP, 2 billion PIB /ml chloroforma nucleopolyhedrovirus suspension, 0.5% azadirachtin emulsifiable concentrate, 0.5% matrine aqueous solution, and 5.7% emamectin benzoic acid saline dispersion granules were sprayed and controlled.
9. Spodoptera exigua, Spodoptera litura: use of indoxacarb, ethyl doxorubicin, guanidinium, 12% acesulfame suspension, and emamectin benzoate The agent or the like is sprayed and controlled.
10. Bean wild carp: spray control with indoxacarb, guanidinium, and amifillin pesticides.
11, yellow curved stripe jumper: use 28% insecticidal? acetamiprid WP, ​​15% sputum emulsifiable concentrate for spray control.
12. Snail: Controlled with 6% tetraacetaldehyde granules.
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