[1]宋丽华,高彬.持续干旱胁迫对中宁枸杞水分生理的影响[J].西北林学院学报,2010,25(03):15-19.
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持续干旱胁迫对中宁枸杞水分生理的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第25卷
期数:
2010年03期
页码:
15-19
栏目:
森林生物学
出版日期:
2010-05-31

文章信息/Info

作者:
宋丽华;高彬;
宁夏大学农学院;
关键词:
土壤干旱胁迫枸杞生理响应水势
摘要:
选用1 a生中宁枸杞扦插苗为试验材料,在土壤持续干旱胁迫条件下,对中宁枸杞叶片叶绿素含量、质膜相对透性、自由水含量、束缚水含量、相对含水量和水分饱和亏缺、水势进行了测定与比较。结果表明:随着干旱胁迫程度的增加和持续时间的延续,枸杞叶片的叶绿素含量、自由水含量、相对含水量和叶水势均呈明显下降趋势,而质膜相对透性、束缚水含量、水分饱和亏均呈上升趋势,土壤含水量为3.56%时进行复水,枸杞叶片仍具有一定的活力,表明中宁枸杞具有很强的抗旱性。

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备注/Memo

备注/Memo:
国家自然科学基金项目(30860227);
更新日期/Last Update: 2010-05-20