Xia Qiuyu's pest control of rapeseed

Summer cultivation of rapeseed, generally sowing in June, July harvest; select heat-resistant, fast-growing white rape varieties, such as Jinan white help, arrow white and so on. Autumn wolfberry cultivation, general sowing in August, 9 to October harvest; choose Green Gang, white rape varieties can be. The summer and autumn cultivation of small rapeseeds are prone to diseases and pests, and scientific prevention and control should be paid attention to.
1. Pest control: The main pests are aphids, cabbage caterpillars, and diamondback moths. Control locusts, can be used 25% ikashi 1000 times or 50% banyan fog 2000 times liquid spray, or mu using 250 grams of scorpion smoke agent smoked, but also can be trapped with yellow armyworm board. The control of cabbage caterpillars and diamondback moths can be sprayed with 2.5% vegetable juice 1000-1500 times liquid or vegetable insects sweeping light 1000-1500 times liquid.
2. Disease prevention and control: focus on prevention of downy mildew, black spot, anthrax. For downy mildew, biological control methods can be adopted, that is, using 250 grams of sharp peppers, ginger, garlic and 50 kilograms of water to spray; 75% chlorothalonil wettable powder 600 times or 72.2% clomazone can also be used. Wettable powder 600 times or 40% EB aluminum wettable powder 500 times solution spray. For melasma, 50% carbendazim wettable powder 600 times spray can be used in the initial stage of disease. For anthracnose, it can be sprayed with 70% thiophanate-methyl WP 500 to 600 times or 80% anthrax DM WP 800 times.

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