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大棚蔬菜发生病害以后,由于喷药操作不方便,防治效果往往不理想。北京市植保站新研制成功的百菌清烟雾剂,使用方便,效果较高。该剂含有效成份50％,为粉制剂,最适于大棚、温室等保护地预治蔬菜病害用,对黄瓜霜霉病有良好的防治效果,兼治炭疽病和白粉病等。一、使用方法: 百菌清烟雾制用于大棚、温室,一般每亩次用药200—250克,在发病前或发病初期使用,以后每隔7—10天使用一次。使用时,先密闭大棚或温室,然后按大棚或温室面积取适量烟雾剂,合理布点,放置于铁丝架上(粉剂需垫一纸片),然后,从内向外用蚊香等暗火点燃,点燃烟雾剂后至少要密闭4小时。若在傍晚收工时点燃,可密闭一夜,效果更好。
After the occurrence of greenhouse vegetable disease, due to inconvenient spray operation, prevention and control effects are often not ideal. Beijing Plant Protection Station newly developed chlorothalonil aerosol agent, easy to use, the effect is higher. The agent contains 50% of active ingredient, which is powder preparation. It is most suitable for pretreatment of vegetable diseases in greenhouse, greenhouse and other protected areas. It has good control effect on cucumber downy mildew and controls both anthracnose and powdery mildew. First, the use of methods: Chlorothalonil fume system used in greenhouses, greenhouses, generally 200-250 grams per acre medication, before onset or early onset of use, after every 7-10 days once used. Use, the first sealed greenhouse or greenhouse, and then by greenhouse or greenhouse area to take the right amount of aerosol agent, reasonable distribution point, placed on a wire holder (powder need to pad a piece of paper), then, from the inside out with dark incense and other mosquito lit, lit smoke After the agent must be sealed for at least 4 hours. If the evening off when lit, can be closed overnight, the effect is better.