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作物学报

作物学报 ›› 1964, Vol. 3 ›› Issue (01): 51-68.

• 研究论文 • 上一篇    下一篇

陆地棉变异与“退化”研究

朱绍琳; 黄骏麒   

  1. 中国农业科学院江苏分院
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1964-03-12 网络出版日期:1964-03-12

STUDIES ON VARIATION AND DEGENERATION OF THE UPLAND COTTON

Chu Shao-lin; Huang Chun-chi   

  1. The Kiangsu Affiliated Academy of the Chinese Academy of Agricultural Science
  • Received:1900-01-01 Revised:1900-01-01 Published:1964-03-12 Published online:1964-03-12

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摘要： 棉种“退化”是对环境条件的一种适应性,而不是生活力衰退。引起棉种“退化”的原因,主要由于棉种的变异性较大,在不良的农业技术和不利的气候因素的影响下,通过自然选择作用的结果。品种混杂对棉种“退化”也有很大影响,但只是加重“退化”的因素,而不是引起“退化”的主要原因。不断地加强人工选择,并改善栽培管理条件,做好

Abstract: 1.The variation and deterioration of important economic characters of a commercialvariety of upland cotton can be detected after being grown for several years.For instance,shorter fiber increases in proportion,the lint index and the ginning percentage become loweredreadily.Variations on growth habit

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