烟杈是影响烟叶产量、质量的一个主要因素。烟叶的抽薹、长叶、开花、结籽将耗费大量的养分。采用人工打杈抹芽一季需5－6次，这样不但费工费时，且抹不彻底，又有可能传播花叶病及其它传染病。使用抑芽灵药剂虽然可抑制烟腋芽的生长，但多数烟农对其喷施液的浓度不易掌握，且 Tobacco twigs affect the yield and quality of tobacco is a major factor. Tobacco bolting, long leaves, flowering, seed will cost a lot of nutrients. It takes 5-6 times in one season to wipe out the buds by hand, so that not only laborious and time-consuming work is required, but also wipes are not complete, and it is also possible to spread mosaic diseases and other infectious diseases. Although the use of suppository agent can inhibit the growth of smoke axillary buds, but most of the tobacco farmers on the spray liquid concentration is not easy to grasp, and