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磷高效利用杉木对低磷胁迫的适应性与内源激素的相关性
邹显花1,2,胡亚楠1,韦丹1,陈思同1,吴鹏飞1,2,马祥庆1,2,*()
Correlation between endogenous hormone and the adaptability of Chinese fir with high phosphorus-use efficiency to low phosphorus stress
ZOU Xian-Hua1,2,HU Ya-Nan1,WEI Dan1,CHEN Si-Tong1,WU Peng-Fei1,2,MA Xiang-Qing1,2,*()

图4. 不同磷高效利用杉木在不同处理时间的根系形态变化比较(平均值±标准偏差)。A, M1根长增量。B, M4根长增量。C, M1根表面积增量。D, M4根表面积增量。E, M1根体积增量。F, M4根体积增量。G, M1根平均直径。H, M4根平均直径。L-P代表低磷处理, H-P代表高磷对照。不同小写字母表示低磷处理条件下不同处理时间的根系形态变化差异达到显著水平(p < 0.05), 不同大写字母表示高磷对照条件下不同处理时间的根系形态变化差异达到显著水平(p < 0.05)。

Fig. 4. Root morphological changes of different Cunninghamia lanceolata with different high phosphorus-use efficiency at different sampling periods (mean ± SD). A, Root length increments of M1. B, Root length increments of M4. C, Root surface area increments of M1. D, Root surface area increments of M4. E, Root volume increments of M1. F, Root volume increments of M4. G, Averaged root diameter of M1. H, Averaged root diameter of M4. L-P and H-P represent the low and high P treatments, respectively. Different lower- and upper-case letters indicate significant differences (p < 0.05) in each variables across different treatment periods under L-P and H-P conditions, respectively.