Occurrence and control of cabbage soft rot
Cabbage is one of the most demanding vegetables in the local market, but soft rot has always been a key factor restricting the large-scale development of cabbage, which has a great impact on the growth quality of cabbage and the economic benefits of vegetable farmers. Cabbage soft rot is also known as rotten rot and rot disease. It is a devastating disease in the production of Chinese cabbage. If it occurs, it can be harvested in pieces. The following technical measures can be used for prevention and control:
(1) Changing the planting mode to change the traditional flat planting to ridge planting. The specific method is: ploughing the ploughed ground according to the row spacing required by the cabbage, generally 8-10 cm in height, and laying a layer of wheat mash mixed with phoxim or dichlorvos in the ditch between the ridge and the ridge. Broken wheat straw. It can prevent insects and prevent grass from getting out of the ditch. When the cabbage is watered, the amount of water should be equal to water and ditch.
(2) The selection of disease-resistant varieties generally uses high-barrel varieties or green leaves, such as Beijing New No. 3, Jincai No. 3, and Taiyuan Erqing. If it is necessary to plant a spherical variety, such as Feng Kang 80, etc., the sowing period can be appropriately postponed, and then planted again in 2-4 days after the beginning of autumn, or seedling transplanting. In this way, the cabbage can avoid the high temperature and high humidity period, and the soft rot of cabbage caused by high temperature and high humidity can be greatly alleviated.
(3) Choosing the right side to avoid heavy sputum. Generally, you should choose a plot of scallions, garlic or kidney beans. If it is wheat, it is better. In this way, it is possible to avoid infestation due to heavy soft rot.
(D) timely medication to prevent cabbage planting, with 72% agricultural streptomycin 3000-4000 times solution or 20% jinggangmycin water solvent, 25 grams per bag with 50 kg of water for spraying prevention. In addition to the whole field spray, it is also important to spray the liquid on the base of the cabbage, about 100 grams of each spray, so that the liquid penetrates into the root soil of the cabbage. Spray once every 7-10 days, even spray 2-3 times. If a sporadic soft rot strain is found, it should be immediately removed and taken out of the field, sprinkled with quicklime in the removed diseased plant pit, and continue to be sprayed with the above-mentioned agents.
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