高粱不同器官生长对NaCl胁迫的响应及其耐盐阈值

被引：23

作者：

王宝山

邹琦

赵可夫

机构：

[1] 山东师范大学逆境植物研究所!济南

[2] 山东农业大学基础部!山东泰安

来源：

西北植物学报 | 1997年 / 03期

关键词：

高粱; NaCl胁迫; 生长; 耐盐阈值;

D O I：

暂无

中图分类号：

Q945 [植物生理学];

学科分类号：

0903 ;

摘要：

用砂基培养研究高粱不同器官生长对NaCl胁迫的响应及其耐盐阈值。NaCl胁迫下，独角虎和糖高粱均表现为生长叶叶鞘鲜重下降最大，其次是生长叶叶片、成熟叶叶鞘和叶片变化最小。长期胁迫单株叶片数及叶面积也明显下降。相同胁迫情况下，糖高梁的生长抑制明显大于独角虎。独角虎和糖高粱耐盐阈值分别为135和82mmol／LNaCI。以上结果表明独角虎耐盐能力明显大于糖高粱。讨论了不同器官生长抑制的机制。

引用

页码：279 / 285

页数：7

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