棉花从现蕾到开花这段时间称为蕾期。这个时期棉田管理的中心是解决营养生长和生殖生长的矛盾,使二者协调发展,达到壮苗稳长现蕾多,枝粗节密开花早。具体标志是:主茎日增长量1—1.5厘米,三天左右长一个果枝,平均节间 Cotton from budding to flowering during this period known as the bud. This period cotton field management center is to solve the contradiction between vegetative and reproductive growth, so that the coordinated development of both to achieve strong seedlings grow strong buds, sticks thick and dense flowering early. Specific signs are: the main stem daily growth of 1-1.5 cm, about three days long a fruit branch, the average internode