The three major diseases of cabbage are: viral disease, downy mildew, and soft rot. First, the virus disease. The incidence of seedling stage is dominant, and the adult stage can also be affected. The symptoms are manifested in the transparent veins of the heart and the chlorosis of the veins, resulting in pale green and dark green leaves. The diseased leaves shrink, the heart leaves twist, and the growth is slow. The diseased seedlings died early. In the adult stage, the leaves showed wrinkled mosaic leaves, brown stripes or dark brown necrotic spots on the main veins on the back of leaves. When the disease is heavy, the growth stops. The plants are obviously dwarfed and malformed. They cannot pack or loosen their hearts, and the leaves shrink into groups, commonly known as cramps. Prevention and control measures: In the early stage of disease, 8% spores are used to spray 250 times solution of virus or virus A, and the virus is sprayed at K500 times. The spray is sprayed three times at intervals of 6-7 days; Second, downy mildew is commonly known as "frost leaf." Occurred mainly in the leaves, first to produce watery green small lesions, and gradually expanded into yellow-green irregular lesions, white moldy back surface. In case of dry weather, the spots are dry and dark brown. In severe cases, the lesions are enlarged and the outer leaves are all dead. If the temperature is low and the shower is cloudy, the disease is serious. Control measures: 72% Kelu 800 times, 52.5% fast and net 2000 times liquid alternately, spray 3 times at intervals of 5-6 days. Third, soft rot commonly known as "rotten vegetables" is cabbage disease heart disease, bacteria from the wound invasion and destruction of short stems, causing root rot odor. The wilting of the leaves caused the whole plant to die, which is a bacterial disease. Prevention and control measures: Chemicals prevention and promotion Use 77% to kill 800 times or 72% of agricultural streptomycin 3000 times spray. Lishida Superior Soy Sauce,as a popular condiment for cooking,is brewed from non-GMO soybeans and other high quality ingredients.We adhere to brew naturally and Chinese traditionally for 20 years,and all of our products are packaged by advanced production line.Lishida Superior Soy Sauce Series includes Light Soy Sauce,Dark Soy Sauce,Mushroom Dark Soy Sauce,Steamed Fish Soy Sauce,Gluten-Free Light Soy Sauce,Gluten-Free Dark Soy Sauce,Less Salt Light Soy Sauce,Less Salt Dark Soy Sauce and so on.
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Three Diseases of Chinese Cabbage and Prevention Methods
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