棉花根系生长与叶片衰老的协调性
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王素芳,薛惠云,张志勇,汤菊香
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Coordination of root growth and leaf senescence in cotton
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Su-Fang WANG,Hui-Yun XUE,Zhi-Yong ZHANG,Ju-Xiang TANG
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表4 2011年9月20日不同基因型棉花根系长度密度、面积密度、体积密度及纵向分布
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Table 4 Longitudinal distribution of RLD, RSD, RVD for the two cotton genotypes at September 20th of 2011
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土层深度
Soil depth | 根长度密度RLD (mm cm-3) | | 根表面积密度RSD (mm2 cm-3) | | 根体积密度RVD (mm3 cm-3) | | DP99B | 百棉1号Baimian 1 | | DP99B | 百棉1号Baimian 1 | | DP99B | 百棉1号Baimian 1 | | 0-20 cm | 3.27 a | 2.76 a | | 4.62 a | 3.37 b | | 0.51 a | 0.33 b | | 20-40 cm | 1.55 b | 3.47 a | | 2.34 b | 4.61 a | | 0.28 b | 0.48 a | | 0-40 cm | 2.41 b | 3.12 a | | 3.48 a | 3.99 a | | 0.39 a | 0.41 a | | 纵向分布LD (%) | 47.33 b | 125.98 a | | 50.63 b | 136.56 a | | 55.00 b | 146.15 a |
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