Virus disease: 1. Seed treatment: soaking with 10% trisodium phosphate for 20 minutes, and germination after washing. 2. Shade net nursery: In the nursery bed with pest control net cover tightly, do not invade aphids, its shelves shade net. 3. Chemical control: spraying NS-83 sensitizer 100 times before seedling colonization, spraying 1.5% plant disease Ling emulsion 1000 times in the initial stage of disease, 5% strain of venom toxin 400 times, and 20% virus AWP500 times solution.
Powdery mildew: spray 405 Fuxing emulsion oil 8000~10000 times, 40% polysulfide suspension 200 times, 25% enemy demulsifier oil 4000 times, 2% agricultural anti-120 or 2% Wuyimycin 150 times, 70% Thiophanate-methyl wettable powder 600 to 1000 times.
Stem rot: In the early stages of disease, 64% anti-virus WP 500 fluid, 70% thiophanate-methyl wettable powder 80 times, 50% carbendazim WP 500 times, 77% can be killed Wet powder 500 times Irrigation root.
Verticillium wilt: 1. Seed treatment: immersed for 2 hours with 60% anti-mildew lotion 1000 times liquid, or soaked with 50% carbendazim wettable powder for 1~2 hours. 2. Seed bed and soil treatment: Seed bed soil with 10 to 15 grams per square meter with 10 to 15 grams of fine soil and 15 kilograms of fine soil, spread in the seedbed, into the soil about 15 cm, flooding film, fumigation 10 Day after sowing. The soil to be planted in the field was sprayed with 50% carbendazim at a rate of 2 kg per acre and ground was poured into the soil. 3. Grafting: The splicing method is used in many cases. The disease-resistant rootstocks used are CRP and Tolubam. 4. Irrigation: Irrigate the roots at the early stage of disease. The commonly used agents are 10% for treating Weiling Ling 300 times, 50% DT for sulfur suspension 350 times, and 50% Benbendrin 1000 times for 50%. Sulphur suspension was mixed with 500 times and 150 ml per strain. It is best to plant potting seedlings before planting.
Brown spot: 50% mixed sulfur suspension 500 times, 50% polysulfide suspension 500 times continuous spraying 2 or 3 times.
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