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1.果株环剥后,留2叶1花,则开花后的幼铃不管受精与否,都保证不会脱落。2.完全黑暗情况下,断绝幼铃其他养料以后,供给蔗糖虽不能阻止幼铃的脱落,但能延迟脱落,有了有机养料供应的幼铃,再供给蔗糖,则幼铃的脱落率能因供糖而减少。3.不脱落的棉铃,开花后可溶性醣继续增加,因而能维持较高的呼吸强度,继续进行一切合成过程,使幼铃不断生长;脱落的棉铃开花后可溶性醣类大减,不能维持高度的呼吸过程,并因此加速了铃里的水解过程,棉铃也不能继续生长。4.棉花蕾铃脱落的内在基本原因是有机养料的不能及时供应。在开花当天由于强烈的呼吸作用和强烈的生长过程,耗损了大量有机养料,以后如不能及时供应,便发生幼铃的脱落现象。5.棉花开花期间,一切足以调节有机养料加速流向蕾铃的措施,例如喷磷、整枝、施用生长刺激剂等,都能减少蕾铃的脱落。
1. After the fruit is girdling, leave 2 leaves 1 flower, then after the young bell regardless of fertilization or not, are guaranteed not to fall off. 2. Under the condition of complete darkness, if the supply of sucrose does not prevent the shedding of the young bell, the shedding of the young bell can be delayed, and the young bell supplied by the organic nutriment supplies the sucrose again, Reduced for sugar. No boll boll, soluble sugar after flowering continues to increase, which can maintain a high respiration intensity, continue all the synthesis process, so that young bell continue to grow; shed bolls after the soluble sugar greatly reduced, can not maintain a high degree of Breathing process, and thus speed up the process of hydrolysis bell, cotton bolls can not continue to grow. 4 cotton buds fall off the basic reason is that organic nutrients can not be timely supply. In the flowering day due to strong breathing and a strong growth process, consumed a large number of organic nutrients, if not in a timely manner after the supply, the emergence of young bell off phenomenon. 5. Cotton flowering, everything enough to regulate organic nutrients to speed up the flow of budding measures, such as spraying phosphorus, pruning, the use of growth stimulants, etc., can reduce the fall off the buds.