马缨杜鹃幼苗生长对土壤水分胁迫的响应及其生理机制
Growth response of Rhododendron delavayi seedlings to the soil water stress and its physiological mechanism
马缨杜鹃幼苗生长对土壤水分胁迫的响应及其生理机制 |
| 田奥, 李苇洁, 曹洋, 贾真真, 曾松 |
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Growth response of Rhododendron delavayi seedlings to the soil water stress and its physiological mechanism |
| TIAN Ao, LI Wei-Jie, CAO Yang, JIA Zhen-Zhen, ZENG Song |
| 图3 马缨杜鹃幼苗不同时段的生理指标随相对土壤含水量的变化趋势(平均值±标准差)。Ci, 胞间CO2浓度; CAT, 过氧化氢酶活性; gs, 气孔导度; MDA, 丙二醛含量; Pn, 净光合速率; POD, 过氧化物酶活性; Pro, 脯氨酸含量; SOD, 超氧化物歧化酶活性; Sp, 可溶性蛋白含量; Ss, 可溶性糖含量; Tr, 蒸腾速率。 |
| Fig. 3 Variation of physiological indices of Rhododendron delavayi seedlings with relative soil water content in different time periods (mean ± SD). Ci, intercellular CO2 concentration; CAT, catalase activity; gs, stomatal conductance; MDA, malondialdehyde content; Pn, net photosynthetic rate; POD, peroxidase activity; Pro, proline content; SOD, superoxide dismutase activity; Sp, soluble protein content; Ss, soluble sugar content; Tr, transpiration rate. |
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