研究了人工授粉条件下6个遗传背景差异较大、纯合度高的陆地棉亲本的异交亲合力及杂交铃主要性状差异。
With 6 different genetic background and high pure upland cotton lines as female parents, the variation of allogamous affinity and main traits of hybrid boll were analyzed under assisted pollination.
但是箭步挺撑铃的前后稳定角及平衡角大，稳定性高，稍有不慎也不会导致动作失败。
The stabilization Angle and balance Angle of drop jerk were big, which could not easily lead to movement failure.
结果表明，（1）高产棉田花铃期棉叶夜晚呼吸消耗比普通棉田低26．2％，但白天净光合总量比普通棉田高46．1％。
The results showed that (1) The R of high yield cotton was 26 2% lower than that of common cotton (CK) in night time, but total photosynthetic amount was 46 1% higher at bearing boll period.
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