| 盐胁迫对紫花地丁植株生长及生理特性的影响 |
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| 引用本文： | 刘玉艳,于凤鸣,曹慧颖,张锐.盐胁迫对紫花地丁植株生长及生理特性的影响[J].西北林学院学报,2011,26(3):36-40. |
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| 作者姓名： | 刘玉艳 于凤鸣 曹慧颖 张锐 |
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| 作者单位： | 1. 河北科技师范学院,园艺科技学院,河北,昌黎,066600
2. 河北科技师范学院生命科技学院,河北,昌黎,066600 |
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| 摘 要： | 以紫花地丁幼苗为试验材料,用不同浓度的NaCl、Na2SO4处理,测定了处理植株叶片中光合色素、蛋白质、可溶性糖、脯氨酸、丙二醛含量以及POD和SOD的活性。结果表明:盐胁迫下紫花地丁叶片中光合色素含量减少,蛋白质、可溶性糖及脯氨酸含量增加,POD活性上升,SOD活性下降,丙二醛含量与对照差异不显著。紫花地丁植株能够正常生长的抗盐阈值为NaCl 0.2%、Na2SO40.4%,其存活阈值为NaCl 0.41%、Na2SO40.67%。紫花地丁的主要耐盐性指标为渗透调节物质和POD。
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| 关 键 词： | 紫花地丁 盐胁迫 生理特性 |
Effects of Salt Stress on Plant Growth and Physiological Changes of Volia yedoensis |
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| LIU Yu-yan,YU Feng-ming,CAO Hui-ying,ZHANG Rui.Effects of Salt Stress on Plant Growth and Physiological Changes of Volia yedoensis[J].Journal of Northwest Forestry University,2011,26(3):36-40. |
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| Authors: | LIU Yu-yan YU Feng-ming CAO Hui-ying ZHANG Rui |
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| Institution: | 1(1.College of Horticulture and Technology,Hebei Normal University of Science and Technology,Changli,Hebei 066600,China;2.College of Life and Technology,Hebei Normal University of Science and Technology,Changli,Hebei 066600,China) |
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