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温室大棚使用烟雾剂防治病虫害效果明显,与喷雾相比具有以下优点:不增加棚室内湿度,能提高防效,残留量低,省工、省时、省药、不需药械,在连阴天条件下效果更佳。但在使用上必须注意以下几点:1.明确使用范围烟雾剂主要用于日光温室、塑料大棚及中小拱棚蔬菜病虫害的防治。棚面封闭越严,防治效果越好。2.选准用药时间宜在傍晚盖草苫之后点燃为好,尤其是阴、雨雪天气,效果更佳。因为在日
Greenhouse greenhouse using aerosol pesticide obvious effect, compared with the spray has the following advantages: do not increase the indoor humidity, can improve the control effect, low residue, labor-saving, time-saving, medicine, without medicine, even cloudy Better effect under the conditions. However, the use of the following points must be noted: 1. Clear the scope of use Aerosol mainly for solar greenhouse, plastic shed and small shed plastic plant diseases and insect pests prevention and treatment. Shed surface more stringent, better control effect. 2. Selection of medication time should be lit in the evening after littering grass as well, especially overcast, rain and snow, the effect is better. Because in the day