[1]黄业伟,吴妙丹,杨丽,等.毛竹实生苗对不同浓度NaCl溶液的生理响应[J].西北林学院学报,2010,25(01):35-38.
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毛竹实生苗对不同浓度NaCl溶液的生理响应()
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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01期
页码:
35-38
栏目:
森林生物学
出版日期:
2010-01-30

文章信息/Info

作者:
黄业伟;吴妙丹;杨丽;张智俊;
浙江林学院浙江省现代森林培育重点实验室;
关键词:
NaCl胁迫毛竹生理响应
摘要:
以1 a实生毛竹苗为材料,通过测定在不同浓度NaCl胁迫条件下的各项生理指标,研究了NaCl胁迫对其生理机制的影响。结果表明:随着NaCl处理时间的延长,超氧化物歧化酶(SOD)活性呈先升高再下降、过氧化物酶(POD)和可溶性蛋白呈先下降后上升的趋势;丙二醛(MDA)含量呈上升-下降-再上升的趋势;叶绿素含量、苗高生长量、新发根数呈显著下降趋势。其中毛竹在中、低浓度(6 g.L-1左右)NaCl处理下能够维持较高的保护酶活性和可溶性蛋白含量(约29.49 mg.g-1)、较低的丙二醛(MDA)含量(约2.24μmol.g-1)以及较高的叶绿素含量(约3.32 mg.g-1)。

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备注/Memo

备注/Memo:
浙江省自然科学基金资助项目(Y307469);;
更新日期/Last Update: 2010-02-20