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烤烟在整个生长发育过程中,受到多种害虫的为害,在我县尤以小地老虎、烟青虫和烟蚜为害严重,严重影响了烤烟产量和质量。笔者近几年在烤烟主要害虫的防治方面做了些工作,且收到良好的效果。现将烤烟主要害虫发生及其防治介绍如下,供参考。 1、小地老虎 烤烟返苗期至伸根期的主要害虫。在我县以4月上旬至5月中旬为发生为害期,为害猖獗期为4月中旬至5月上旬。受害严重的田块断棵率达30％以上,影响烟苗全苗。
Flue-cured tobacco throughout the growth and development process, by a variety of pests, especially in my county small tiger, tobacco budworm and tobacco aphid serious damage, seriously affecting the yield and quality of flue-cured tobacco. In recent years, the author has done some work in the prevention and control of major flue-cured tobacco pests and has received good results. Now the main foci of flue-cured tobacco and its prevention and treatment are introduced below for reference. 1, the small tiger flue-cured tobacco to seedling to the root of the main pests. In our county from early April to mid-May for the damage period, rampant rampant period from mid-April to early May. Damaged severely damaged plots of more than 30%, affecting the whole seedlings of tobacco seedlings.