关中棉花的品质提高,是当前植棉工作中的一个重要任务。提高品质的途径,可以从品种、栽培管理、分级拾花等方面着手。但从病虫害方面,来保护棉铃充分成熟,控制纤维变劣,和减少僵办烂铃比例,在目前还是一个比较容易取得效果的途径,而且也是个长期不可忽视的方向。殭瓣和烂铃与红铃虫为害的关系很大。固然没有红铃虫,也会有殭瓣烂铃,但红铃虫 Guanzhong cotton quality improvement is an important task in the current cotton plantation. Improve the quality of the way, from the species, cultivation management, grading and other aspects of picking up. However, from the perspective of pests and diseases, it is still a relatively easy way to protect cotton bolls from becoming fully mature, controlling fiber deterioration, and reducing the proportion of dead-stem rotten bells. It is also a long-term direction that can not be ignored. Cervical valve and rotten bell insects and pink bollworm harm a lot. Although there is no pink bollworm, there will be petal rotten bell, but pink bollworm