不同地理种群紫茎泽兰种子萌发对干旱胁迫的响应

被引：40

作者：

苏秀红

宋小玲

强胜

段惠

机构：

[1] 南京农业大学杂草研究室

[2] 南京农业大学杂草研究室南京

[3] 南京

来源：

应用与环境生物学报 | 2005年 / 03期

关键词：

紫茎泽兰; 种群; 水分胁迫; 耐旱性;

D O I：

暂无

中图分类号：

Q945 [植物生理学];

学科分类号：

0903 ;

摘要：

以不同渗透势的PEG(6000)溶液模拟水分胁迫条件,通过相对发芽率、萌发抗旱指数、活力指数3个指标,研究了14个不同地理种群紫茎泽兰(EupatoriumadenophorumSpreng.)的耐旱能力,并采用模糊隶属法用上述3个指标对14个不同种群的耐旱性进行综合评价.结果表明,LP、PZH、YJ种群较为耐旱,耐旱隶属函数总平均值分别0.766、0.689、0.658,SM种群则较为敏感,耐旱隶属函数总平均值为0.065.图2表3参23

引用

页码：308 / 311

页数：4

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