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我国北方冬季温室主要种植番茄、茄子、黄瓜和青椒等茄果类蔬菜,近年来灰霉病发生较为严重。灰霉病的主要防治技术如下:1.农业措施:一是清洁田园。及时摘除老叶、带虫叶、病果、病叶,带出田外集中深埋,减轻病虫发生基数;二是合理灌水。采取地膜覆盖,膜下灌水或滴灌,降低温室湿度。2.生态控病:晴天上午适当早揭草帘或保温被,延长光照时间,并注意通风,使棚室湿度降到80%以下;午后闭棚,使短时间棚温升至33℃以上,以高温抑制病菌发生发展,然后再放风排
In the winter greenhouse in northern China, tomato, eggplant, cucumber and green pepper are the main types of solanaceous vegetables. In recent years, gray mold disease has become more serious. The main prevention and treatment of gray mold disease are as follows: 1. Agricultural measures: First, clean the pastoral. Timely removal of the old leaves, with the worm leaves, sick fruit, diseased leaves, out of the field concentrated deep buried to reduce pest occurrence base; Second, a reasonable irrigation. Take mulching, mulching or drip irrigation to reduce greenhouse humidity. 2. Ecological control disease: sunny morning Appropriate early exposure to the curtain or insulation to extend the light time, and pay attention to ventilation, shed humidity to 80% or less; afternoon closed shed, so that a short period of shed temperature rose above 33 ℃, To inhibit the development of germs at high temperatures, and then let the air row