中国农业气象

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气候因素对棉铃主要经济性状影响的初步研究

赵都利;许萱;王汉文;许玉璋;   

  1. 西北农业大学,西北农业大学,西北农业大学,西北农业大学,
  • 出版日期:1987-03-10 发布日期:1987-03-10

A PRELIMINARY STUDY ON EFFECT OF CLIMATIC FACTORS ON THE PRINCIPAL ECONOMIC CHARACTERS OF COTTON BOLLS

Zhan Duli Xu Xuan Wang Hanwenl Xu Yuzhang (North-west Agricultural University,)   

  • Online:1987-03-10 Published:1987-03-10

摘要: 利用相关和通径分析方法研究了不同播期棉株同部位棉铃的有关性状对铃重和衣分率直接贡献的大小。分析了棉铃各性状与主要气候因素的关系,得出了铃期温度是影响棉铃发育的最重要气候因素,并进一步对铃期平均昼温、夜温、最高温度、最低温度及铃发育前期和后期的日均温对铃重、衣分率、籽指和衣指直接影响的大小程度进行了讨论。

关键词: NULL

Abstract: That the some characters of cotton bolls which grew in the same sets of cotton plants of different sowing made contribution to boll weight and lint percentage was studied by means of correlation and path coeffient analysis. The relations of boll characters with the principal climatic factors were analysedo It was found that the temperatures during boll development was the most important factor affecting development of bolls. The effects of average' day and night temperatures, maximum and minimum temperatures during this period and the mean temperature during earlier and later periods of boll development on boll weight, lint percentage, seed index and lint index were also discussed.

Key words: NULL, NULL