Chinese cabbage should be highly productive and prevent four diseases
Now entering the autumn, when the Chinese cabbage grows, it is also a period of high incidence of diseases. In order to achieve high yields, it is important to pay attention to the four major diseases of downy mildew, soft rot, viral disease and white rust. It is necessary to focus on prevention and comprehensive prevention and control, and at the same time, scientifically carry out chemical prevention and biological control. In the early stages of the onset of downy mildew, use 70% wettable powder 800 times solution, and after the onset of the disease, apply the cream dimethoate (apoferroxin) 25% WP 800 times, or 55% cimar (enzoylmorpholine) Double) WP 800 times spray. Spraying is mainly based on leaves. The agents should be used interchangeably to improve the control effect. Virus disease prevention and control of pests in the morning to eliminate aphids before the spread, you can use Jacobs (70% imidacloprid) wet seed dressing seed dressing, strong seedlings kill insects. Found maggots or whitefly, whitefly and other transmission media, can use 70% of the gold 3000 times spray, 10% Wanli red WP 800 times foliar spray, in serious when mixed with vegetable oil additives Huanong special. For virus diseases, 10% of detoxification can be used for 800 times and Golden Shield can be used for 800 times to spray 2 or 3 times, each time for 5 to 7 days. Sprays can also be mixed with insecticides. The soft rot disease cabbage has a high temperature, more rain, more insects, more wounds, black rot, and low-lying land. At the beginning of the onset, spray or root with 24% fine 500 times liquid or 2% remedy (Kasugamycin) wettable powder 1000 times. At the beginning of the onset of white rust, spray 25% of Frosty WP 800 times, or 50% of Amethyst Copper wettable powder 600 times, 50 to 60 liters of spray liquid per acre, every 7 to 10 days, control 2~ 3 times, it is best to add high-potassium foliar fertilizer to improve the disease resistance of plants, and the control effect is ideal. Operating Table,Manual Surgical Table,Urology Surgery Table,Ent Surgery Table NINGBO TECHART MEDICAL EQUIPMENT CO.,LTD , https://www.techartmed.com