The Prevention and Control Techniques of Soft Rot Disease in Chinese Cabbage

Chinese cabbage soft rot is a common disease worldwide. Its symptoms are characterized by the fact that it can be affected from the rosette stage to the heart-filling stage. In the initial stage of disease, waterlogging in the base of the outer petiole and the base of the stem are partially rotted and squeezed by hand. The pressure will flow out of gray-brown sap. The outer leaves of the plant will show wilting at the midday sunburn. The light-spotted plants will return to normal sooner or later. After the disease is aggravated, the decayed site will develop towards the rhizomes, overflowing the odor-rich thick material, and finally The strain rots to death. Pathogens spread through rain and insects. Control methods:
The first is planting disease-resistant seed varieties. The production practice shows that the resistance of Qingbang-class Chinese cabbage is relatively good.
The second is timely sowing, fine arable land. Fine arable land should be planted so that the soil is fine, flat and straight, which is conducive to drainage;
The third is to do a good job of preventing and controlling pests such as cabbage caterpillars and small tigers, so as to prevent pathogenic bacteria from invading the wounds.
The fourth is the prevention and treatment of the initial disease. When the diseased plants in the field were sprayed with 72% of agricultural streptomycin 1000-1500 times, spraying once every 7 days, sprayed 2-3 times continuously, and stopped spraying 10 days before harvest.

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