棉花害虫的化学防治法具有效果高、收效快、成本低、易于推广等很多优点。但在棉苗成长封垅后,人、畜及施药器械出入不便,且易折断果枝撞脱蕾铃。在耕地面积大、动力不足、施药器械少的棉区,不能及时扑灭害虫,直接影响单位面积产量的提高,降低产品质量。因此,必需寻求高效价廉、节省劳力的施药方法。鉴于国内外利用烟剂防 The chemical control method of cotton pests has many advantages such as high effect, quick efficiency, low cost and easy popularization. However, after the growth of cotton seedlings sealed, people, livestock and facilities for access inconvenience, and easy to break off fruiting branches break off the bell. In the cotton area where the cultivated area is large, the motive force is insufficient, and the pesticide is applied less, the pests can not be extinguished in time, which directly affects the yield per unit area and the product quality. Therefore, we must seek efficient and cheap, labor-saving methods of application. In view of the domestic and international use of anti-smoking agent