High R/S lines had thicker basal root, longer maximum root length and less root number, more root fresh weight and root dry weight than low R/S lines;

 
  • 对高根茎比和低根茎比株系根系进行比较,除根数外,其他性状的均值均为根茎比大的株系大于根茎比小的株系,说明根茎比可以作为作物根系抗旱性的一个指标;
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