In the hot weather in summer, the bowl of mung bean soup is cool and cool, and the beans are not forgotten to grow beans. So, what kind of diseases do we encounter during the cultivation of mung beans? How to prevent it?
Viral disease: more incidence in the seedling stage, mainly in the field of mosaic mottled, wrinkled mosaic leaves. When the disease is mild, plants with mosaic and mottled symptoms appear at the seedling stage. When the disease is heavy, the seedlings appear wrinkled and reduced leaves of the mosaic plants, the leaves are deformed, wrinkled, the lobe is uplifted, and the blister is formed, and there are obvious yellow-green wrinkles. Linyi Fertilizer Network Copyright
Control methods: 1. Choose disease-free or disease-resistant varieties. 2. Control mites in time. 3. In the early stage of the disease, use 20% virus sputum or 20% virus A500 times liquid spray control, spray once every 7-10 days, even spray 2-3 times. Linyi Fertilizer Network Copyright
When the leaf spot disease mung bean is onset, water-stained small spots appear on the leaves at first, and then expand into circular or irregular brown spotted spots, which later become large necrotic spots, causing dryness or defoliation. Diseases are generally heavier in the flowering stage of mung bean and high temperature after rain. Linyi Fertilizer Network Copyright
Control methods: 1. Agricultural control. Choose resistant varieties, reasonably close planting, keep the field well ventilated; strengthen field management, timely discharge and divergence after rain. 2. In the early stage of the disease, spray with 70% mancozeb 500 times solution, 41% special effect sterilization king 2000 times solution or 20% blue di 500 times solution spray, spray once every 7-10 days, even spray 2-3 Times. Linyi Fertilizer Network Copyright
At the beginning of the root rot disease, the heart leaves turn yellow. If the root system is removed, the lower part of the stem and the upper part of the main root are dark brown and slightly concave. When the stem is cut open, the vascular bundle becomes dark brown. When most of the roots rot, the plants die and die. Linyi Fertilizer Network Copyright
Control methods: 1. Agricultural control. Choose resistant varieties, and carry out rotation for more than 3 years with non-legume crops; timely tillage, drainage after rain, and increase ground temperature. 2. In the early stage of the disease, spray with 75% chlorothalonil 600 times solution, 15% rotted spirit 600 times solution or 70% methyl thiophanate 1000 times solution, spray once every 7-10 days, even spray 2-3 times. The effect is good. Linyi Fertilizer Network Copyright
Total 1 | <First <Prev 1 Next> Last> |
share to:
PVC Floor
Zhejiang Changxing Senda Bamboo & Wood Products Co.,Ltd , https://www.sendaflooring.com