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Why does cauliflower suffer from Spodoptera exigua? How to prevent and treat it?

Cauliflower, also known as cauliflower, is a very popular vegetable with fresh taste, high nutrition and high medicinal value. It is very rich in vitamin C and has anti-cancer effects. Its average nutritional value and disease prevention effects are far better than other vegetables. The best choices for seedlings are disease-free and Xinjiang. If old-fashioned soil is used, special attention must be paid to the prevention and treatment of stubborn diseases, the use of nutrient blocks for planting saplings and grounding operations. For 10 seedbeds, use 30-40 grams of 70% manganese, 40-50 grams of 10% chlorofluorocarbon oil or 40-50 grams of mixed water and 12% snake oil. The soil is evenly mixed and the film is stuffed.

During the disease: 1. White powder: Use 50% vinylmorpholine 800-1000 times solution or 25% pyrazocillin ester for prevention in the early stage. 2. Botrytis and Sclerotinia: 40% of these two bacteria are used during disease attacks. Use fungal dazzling agent or 20% Lijun, carbendazim, 1500-2000 times of dazzling agent or 75% Baijunqing. 3. Black fungus: Black fungus is also called black spot. You can use 20% benzene ether methyl ring emulsion 1000-1500 times liquid, 75% Baijunqing moisturizing powder 600-700 times liquid, or 50% moisturizing powder 1000 times liquid spray for prevention. Cabbage Insects: 1. Diamondback, Spodoptera litura, Brassica brassicae: Ignore other cabbage insects and attract adults with black light or soup.

After the entire crop is harvested, it is necessary to promptly handle the stumps or cultivate them immediately to eliminate large amounts of supplements. Preventive drugs should control the erection of larvae, father is 5.2%. Use high chloride, 3.2% onychofluoride or 5% abamectin preventive spray. 2. Vegetable caterpillars: Use 10% mesocarpa, 10% high-efficiency chlorofluorocarbon ester or thuringin suspension to prevent them. 3. Mites: Use 5% acetaldehyde, 20% hemp, etc. to prevent them. 4. Small moths: Clear weeds around vegetable gardens in early spring to prevent adult moths from laying eggs.