切根对羊草营养生长期内植物功能性状的影响
代景忠1, 白玉婷2, 卫智军3, 张楚4, 闫瑞瑞4,*(
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Effects of root-cutting in the vegetative phase on plant functional traits of Leymus chinensis
DAI Jing-Zhong1, BAI Yu-Ting2, WEI Zhi-Jun3, ZHANG Chu4, YAN Rui-Rui4,*()
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图4. 羊草植株功能性状的差异及变化趋势(平均值±标准误)。AB, 单株质量; PDMC, 单株干物质含量; PH, 株高; SLR, 茎质量/总叶质量。y, 二次曲线拟合方程(对照); Y, 二次曲线拟合方程(切根)。*表示在0.05水平上差异显著。
Fig. 4. Dynamics of plant functional traits of Leymus chinensis (mean ± SE). AB, aboveground biomass; PDMC, aboveground dry matter fraction; PH, plant height; SLR, stem mass/total leaf mass. y, the quadratic curve fitting equation for control (CK); Y, the quadratic curve fitting equation for root-cutting (CR). * indicate significant correlation at the 0.05 level.
