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作物学报 ›› 1983, Vol. 9 ›› Issue (01): 45-52.

• 研究论文 • 上一篇    下一篇

棉花秋桃发育与温度的关系

刘新民; 刘艺多   

  1. 江苏省农科院经济作物研究所
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1983-01-12 网络出版日期:1983-01-12

DEVELOPMENT OF AUTUMN COTTON BOLL IN CONNEXION WITH TEMPERATURE

Liu Xinmin; Liu Yiduo   

  1. Jiangsu Academy of Agricultural Sciences
  • Received:1900-01-01 Revised:1900-01-01 Published:1983-01-12 Published online:1983-01-12

摘要: 秋天低温,使棉铃体积和壳重的日增长高峰及达到最大值所需天数,分别延长到开花后的第24天和38天左右,比伏桃长10~15天。秋桃发育前中期温度的高低,对铃重的影响,可能大于全铃期有效积温的作用。发育初期具有较高的温度,可以获得较大的启动速度,有利获得较高的铃重。温度低于18℃,铃体积、壳干重停止增长。最后单铃籽棉重的高

Abstract: Under the lower temperature conditions of Jiangsu Province,in au-tumn,the weight of autumn cotton’bolls are usually significantly ligh-ter than summer bolls.It was observed that the peak of the daily inc-rement and the maximum value of autumn bolls and hulls were at the 24thand 38th day after flowe

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