Many farmers like to grow mustard vegetables, and then mustard is easy to get. How should the mustard soft rot be controlled?
Mustard soft rot symptoms: root mustard, stem mustard, heart mustard, leaf mustard have occurred. The upper part of the leaf clumps gradually wilted, and the open leaf clumps can be seen as water-stained irregular lesions at the base of the stem or near the roots and neck. After that, the lesions expand and expand inward, causing internal soft rot and mucus outflow. The diseased department has a bad smell and is different from black rot. Sometimes it rots down, the appearance is still intact, but the inside and the epidermis have festered. The rate of diseased diseased plants is as high as 29% to 67%.
Pathogen of mustard soft rot: It is called carrot soft rot and Erwinia carrot soft rot pathogenic type, belonging to the bacterial border of the thin wall bacteria.
Transmission route and disease conditions: The disease is transmitted by soil bacteria and invaded by wounds. It is cultivated in the sorghum, and there are many insect pests. In case of cold currents or high humidity, the incidence is heavy.
Mustard soft rot prevention and control methods: (1) 20 days before sowing, turn the soil, apply bio-organic compound fertilizer or decomposed organic fertilizer. (2) Reasonable mastering of the sowing date, not suitable for early sowing, using sorghum cultivation to prevent freezing damage and reduce wounds. (3) Chemical control. At the beginning of the disease, spray 20% quinoflazer wettable powder 1300 times, or 3% carbendazim wettable powder 600 times solution, 72% agricultural high-efficiency streptomycin soluble powder 3000 times solution, every 7 to 10 days, Continuous control 2 to 3 times.
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