The development, boll - bearing time and spacial distribution, boll weight and fibre quality of leafy branch were studied.
在主茎早打顶措施下，研究了单株叶枝的发育、叶枝成铃的时空分布、铃重以及叶枝铃的纤维品质。
Different flowering dates and bolling positions had a significant effect on the individual boll weight, boll period and fiber quality of cotton.
棉花的不同开花期和结铃部位对铃重、铃期和纤维品质有显著影响。
Generally, the total boll numbers of multi-stem cotton was significantly increased, but single boll weigh on average was lower.
综合来看，多茎株型单株成铃显著增加，但平均铃重较低。
The result shows the remarkable positive correlation between boll weight and lint length and negative correlation between boll weight and cotton lint.
结果表明：铃重与绒长呈显著的正相关，与衣分呈负相关。
Various pesticides have great impact on boll opening stage, and the boll opening stage are the latest after spraying mepiquat chloride and acetamiprid.
而不同种类农药的使用对棉花吐絮时间的影响较大，其中喷施克螨特、缩节胺和金世纪的棉花吐絮时间晚于其他药剂。
GGR can promote the development of cotton roots like rhizogenic powder. It can also help seedling height, the number of lateral roots, root dry weight, boll weight and boll number per plant.
双吉尔（GGR）象生根粉一样都能促进棉花根系的发育，对增加苗高、侧根数、根干重、铃重、单株结铃数均有一定的促进作用。
The nitrogen accumulation in cotton boll-shell, cottonseed, cotton fiber and single boll were significantly affected by the nitrogen application rates and their blooming stage.
铃壳、棉籽、纤维及单铃氮素累积受施氮水平和开花期的影响。
The aphid size at the cotton seedling, budding and boll setting stages was not significantly different in Nanjing, 1999. But in the boll opening stage the aphid size became smaller.
1999年江苏南京在棉花苗、蕾和铃期，棉蚜体型大小无显著差异，但到吐絮期后则显著变小。
In the correlation factors of production, boll weight was the greatest, followed by the boll number per plant and lint percentage.
产量构成因子的相关系数中铃重最大，其次是单株结铃数和衣分；
In the correlation factors of production, boll weight was the greatest, followed by the boll number per plant and lint percentage.
产量构成因子的相关系数中铃重最大，其次是单株结铃数和衣分；
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