棉花开花时,遇到不利气候,部分花粉会失去生活力,花朵因授粉数量不足而影响受精,胚珠内的生长素形成受阻,影响有机养料向棉铃输送,最后导致幼铃脱落。通过对棉花授予不同数量的花粉及人工辅助授粉,研究花粉数量对棉花的成铃率、每铃种子数和衣分等性状的关系。 Cotton flowering, unfavorable weather, some pollen will lose its viability, the flowers due to the lack of pollination affect fertilization, the formation of auxin within the ovule blocked, affecting the organic nutrients to the cotton bolls, and eventually lead to the shedding of young bell. Through the different numbers of pollens and artificially assisted pollination on cotton, the relationship between the number of pollen and the boll forming rate, the number of seeds per bell,