棉花现蕾至开花这一段时间称为蕾期。蕾期长短随品种、气候条件和栽培管理不同而有差异。一般中熟棉品种蕾期约25—30天。一般在6月上、中旬现蕾,7月上旬开花。一、棉花蕾期生育特点棉花现蕾后,开始进入营养生长和生殖生长并进时期,但仍以营养生长为主,根、茎、叶的增长为中心。蕾期的光合产物,主要向主茎和果枝前端生长旺盛的部位输送,供给蕾的很少。随气温不断上升,棉花的根、茎、叶、果枝、花蕾的生长 Cotton buds to blossom this period of time known as the bud. Bud length varies with species, climatic conditions and cultivation management. Generally mature cotton varieties buds about 25-30 days. Generally in June, the middle of budding, flowering in early July. First, cotton budding characteristics of cotton Budding, began to enter the vegetative and reproductive growth and into the period, but still mainly vegetative growth, root, stem and leaf growth as the center. Budding photosynthetic products, mainly to the main stem and fruiting branches of the front of the strong growth of the site delivery, supply buds rarely. With the rising temperature, cotton roots, stems, leaves, fruit branches, flower buds grow