重金属对植物种子萌发的影响研究进展
首发时间:2005-10-31
摘要:重金属在自然环境下很难被降解,环境中的重金属污染往往会影响到植物的生长、发育以及种子的萌发,国内外很多学者和专家对重金属影响种子萌发生长等方面做了大量的实验研究:其中一些重金属在低浓度时对某些种子的萌发有促进作用,但是基本所有的重金属在超过一定的浓度范围后都抑制种子的萌发,本文对国内外关于Hg、Pb、Cd和Cr等重金属在影响种子萌发方面所做的研究进行了概述。
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Effects of Heavy Metals on Seed Germination
Abstract:Heavy metals are difficult to be decomposed under natural environment ,those heavy metals must take some negative effect to environment and ecosystem, a lot of domestic and international scholars have made a large number of experiment research about the influence of heavy metals to seed germination .Many results suggested that when at low density some heavy metals may be accelerate seed germination ,but when exceeding certain density range nearly all heavy metals inhibit seed germination ,In this paper, A summary has been done about heavy metals such as Hg、Pb、Cd、and Cr influence seed germination domestic and internationally.
Keywords: heavy metal;seed;germination
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No.3428357881130728****
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