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作物学报

作物学报 ›› 1987, Vol. 13 ›› Issue (02): 163-170.

• 研究论文 • 上一篇    下一篇

冬小麦品种穗层整齐度的调查和分析

王婉仪; 薛民生   

  1. 北京市农林科学院作物所冬麦育种组
  • 收稿日期:1986-10-03 修回日期:1987-04-06 出版日期:1987-05-12 网络出版日期:1987-05-12

SOME INVESTIGATION AND ANALYSIS ABOUT THE SPIKE—LAYER UNIFORMITY IN WINTER WHEAT VARIETIES

Wang Wanyi; Xue Minsheng   

  1. Institute of Crop; Beijing Academy of Agricultural Sciences
  • Received:1986-10-03 Revised:1987-04-06 Published:1987-05-12 Published online:1987-05-12

PDF

842

被引次数

6

摘要： 本文定义穗层穗数分布曲线的宽度作为穗层整齐度的度量,并定义各层间某量(?)的平均比差值(?)作为该量(?)在各层间差异的度量。用此法定量分析了北京地区5个冬小麦品种的穗层整齐度与其产量构成因素间的关系。结果表明:通常直觉地把穗层欠整齐,一概当作不良性状的观点是不切合实际的。本结论可供正确地评价品种及选择分离世代

Abstract: In this paper the width of the distributional curve of spike-layer isdefined as the measurement of the spike-layer uniformity(S.L.U.) andtie difference of the average rate of certain quantity(?)among layers,R(?)as the measurement of the difference of thatquantity among layers.The correlation between

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