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棉花在生长发育过程中,由于病虫草害种类多、危害大,需要反复、多次进行药剂防治,在防治过程中往往出现棉花长得很高、很旺,但花蕾小、落蕾较多,棉花产量低的现象,轻则影响生长发育,严重时植株变态甚至死亡。因此,棉花病虫害的早期识别和适时防治是夺取棉花高产的关键环节。
Cotton in the process of growth and development, due to the many types of pests and diseases, harmful, need repeated, multiple chemical control, cotton often appear in the prevention and treatment process is very high, very prosperous, but buds small, more buds, The phenomenon of low cotton yield, ranging from the impact of growth and development, severe plant metamorphosis or even death. Therefore, the early identification of cotton pests and diseases and the timely prevention and control is the key to seize the high yield of cotton.