Mustard planting: what harm does soft rot do to mustard?

What harm does soft rot disease have to mustard? What method can prevent mustard soft rot? It is also hoped that experienced netizens can help introduce the harm of soft rot to mustard: mustard soft rot is a bacterial disease, which usually begins to occur in the late growth stage of mustard; at the beginning of the disease, the outer leaves of the plant wilt, and can recover sooner or later. The base of the petiole and the pith of the rhizome of the seriously diseased plant were completely decayed, full of light grayish brown, sticky substances, and had a foul odor. Finally, the base of the stem rotted into a large cavity, which could cause the death of the whole plant. The cause of mustard soft rot disease: the condition of soft rot disease is bacterial disease, which is caused by bacterial infection. The pathogen overwintered in the residue of diseased plant and compost. In the following year, it was spread by Rain Water, irrigation water and fertilizer. Bacteria invade mainly through mechanical wounds, insect bites and so on. It occurs seriously when other diseases of the plant are serious, the growth is weak and the callus ability is weak. Under the low temperature of 15-20 ℃, the disease is easy to be prevalent under the climatic factors such as heavy rain, high temperature, poor light and so on. Prolonged drought in production, rain, or excessive squatting of seedlings, overwatering will cause wounds and disease. The disease is serious if there is stagnant water on the surface and lack of hydrogen in the soil, which is disadvantageous to the development of root system or cork of the wound. In addition, it is also related to varieties, stubble, sowing date, generally continuous cropping land or low-lying land and early sowing. Control methods of mustard soft rot: 1. All varieties that are resistant to downy mildew and virus disease are resistant to soft rot. You can refer to the article virus disease. 2. Rotation can be done with gramineous crops, legumes and other crops that are not susceptible to disease, but not with Cruciferae, Solanaceae and melons. 3. High-dry land is selected for soil preparation and fertilization, and low-lying, wet and sticky land is avoided. Application of high ridge, high border cultivation, avoid flat border. Increase the application of rotten organic fertilizer to prevent the fertilizer from carrying bacteria. 4. Field management should be suitable for late sowing to avoid the high temperature and rainy season. Timely drainage in the rainy season, waterlogging prevention, reduce the humidity in the field. Find diseased plants, remove them in time, take them out of the field, bury them deeply or burn them. The acupoints should be disinfected with lime powder. Field management should minimize mechanical damage. 5. Timely control of diseases and insect pests, timely control of underground pests and other leaf-eating pests, reduce wounds. Click to get more mustard planting techniques click to get more vegetable planting techniques