棉花蕾铃脱落的现象在新疆棉区很为普遍,阿克苏棉区脱落50%左右: 吐鲁番棉区脱落则更严重,海岛棉达40～70%,陆地棉达60—90%,在很大程度上更进一步地影响棉花产量.因此,如何防止或减少棉花蕾铃脱落,是目前棉花生产上最主要的关键.一、棉花蕾铃脱落的原因:棉花蕾铃脱落的原因是极其复杂的,除病虫引起的脱落外,凡一切影响棉花生活的因素,在不能满足棉株生活的需要和对棉株的作用过度时,都能引起蕾铃的脱落.兹简单分述如下:1.气温过高,超过棉株所需要的范围,即会 Cotton boll drop off in the cotton area is very common in Xinjiang, Aksu cotton area off about 50%: Tulufan cotton off more serious, up to 40 to 70% of the island cotton, cotton up to 60-90%, to a large extent Therefore, how to prevent or reduce the loss of cotton bolls is the most important key point in cotton production at present. The reason why the cotton bolls fall off is that the reason for the fall of cotton bolls is extremely complicated. Pests and diseases caused by shedding, all the factors that affect the life of cotton, cotton can not meet the needs of life and cotton plants over-effect, can cause the fall off the bell. Here is a brief summary: 1. The temperature High, exceeding the range required for cotton plants, that is