研究了晋A棉花质核不育系的天然异交与成铃。
Natural crossing and boll setting of a nucleo-cytoplasmic sterile line of cotton Jin-A were studied.
但叶枝数超过一定限度后，全株成铃数会减少。
But if the number of the nourishing shoots grew out of some limit, the bolls per plant would decrease.
综合来看，多茎株型单株成铃显著增加，但平均铃重较低。
Generally, the total boll numbers of multi-stem cotton was significantly increased, but single boll weigh on average was lower.
低密度下留叶枝单位面积成铃可以达到高密度下不留叶枝的水平。
The bolls per unit area of cotton leafy shoots retained at low density could reach the same level as cotton leafy shoots removed at normal density.
特别设计的凸排水板在防止累积的冷凝压缩空气鉆点成铃的最佳方法。
The specially designed convex drain plate prevents accumulation of condensate at the compressed air re-entry point into the bell reducer.
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。
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。
The development, boll - bearing time and spacial distribution, boll weight and fibre quality of leafy branch were studied.
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