Medicine prevention: First, seed disinfection. For every 100 kilograms of seeds, use 500 ml of fludioxonil suspended seed coating agent of 25 g/L of Suxamethonium, add 2 kilograms of water, and mix well. The second is soil or seedling disinfection.

Use 0.3 kilograms of 95% sodium disulfonate soluble powder per acre, mix with 30 kilograms of fine soil, apply it into the direct seeding trench, cover it with soil and then sow. You can also soak the vegetable roots with 800 times of 10% cyanazole suspension for 20 minutes before transplanting.

Extended information:

Club club spores can pass through soil, seeds, vegetables, agricultural machinery, transportation tools, irrigation water and rainwater, as well as other human factors and insect factors. Wait for dissemination. It mainly harms cruciferous vegetables such as Chinese cabbage, Chinese cabbage, cabbage, radish, rapeseed, and vegetable greens. The most susceptible vegetable type is Chinese cabbage.

Because Chinese cabbage is a crop with high water and fertilizer content and is fragile, it is the vegetable variety most susceptible to disease. Since the occurrence of cabbage clubroot, it has not only been prevalent in Heilongjiang, Yunnan, Liaoning, Fujian, Zhejiang, Jiangsu, and Guangdong and Guangxi regions in China, but clubroot has also occurred and become widespread in Europe, Japan and other countries as early as the 1970s. exist.

So Chinese cabbage clubroot has become a worldwide problem. In recent years, with the rise of global temperatures, drought and no rain, and the use of a large amount of chemical fertilizers and pesticides, the pH value (PH) in the soil has been seriously imbalanced. Coupled with the spread of human factors, Chinese cabbage roots have become The swelling is getting worse.

Reference: Baidu Encyclopedia - Chinese Cabbage Clubroot