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不同浓度硒处理对彩叶草铅胁迫的EDXS和XRD分析
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Journal Article
不同浓度硒处理对彩叶草铅胁迫的EDXS和XRD分析
2014
Overview
以彩叶草（ColeusblumeiBenth．）为材料，用营养液培养方法，研究了不同浓度硒（se）处理对浓度为1．0mmol·L-1Pb2＋胁迫下彩叶草根、叶的形貌变化及其组分形态等变化，从光谱学角度初步探讨了硒对重金属铅毒害的缓解机制。结果表明：铅胁迫下的彩叶草根系c、K、ca含量减少，O、Mg、Al、Si、Fe、Pb含量增加，叶片中的C、Mg、Al、si、K、Ca、Fe含量减少，O、Cl含量增加。铅胁迫下硒处理的彩叶草根元素种类及其元素含量均发生了明显变化；根中晶体情况及其晶相也发生了相应变化。
Publisher
农业农村部环境保护科研监测所,中国农业生态环境保护协会
Subject
