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经过近几年对大白菜田间栽培技术、主要病害发生与防治的调查、试验和示范,我们认为适合我省大白菜病虫害综合防治技术的要点如下: 农业防治 1.合理安排茬口精细整地,清除残株及杂草。大白菜的前茬应以早番茄、黄瓜、豆角、春菠菜等为主要茬口,尽量避免与十字花科作物重茬、迎茬,减少小菜蛾、菜青虫的为害。
After several years of Chinese cabbage field cultivation techniques, the occurrence of major diseases and prevention of the investigation, testing and demonstration, we believe that the suitable key technologies for comprehensive prevention and control of cabbage pests in our province are as follows: 1. Prevention and control of agriculture 1. Reasonable arrangements stubble fine soil preparation, removal of residue Strains and weeds. Chinese cabbage stubble should be as early as tomato, cucumber, beans, spring spinach as the main stubble, as far as possible to avoid cruciferous crop stubble, Yingcui, reduce the diamondback moth, cabbage caterpillar damage.