铜对黄瓜、玉米种子萌发及其幼苗生长的影响

Northern Horticulture(2009)

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Abstract
以黄瓜和玉米为材料,采用溶液培养法,研究了铜对种子萌发、幼苗生长及叶绿素含量等的影响。结果表明:低浓度的铜溶液对黄瓜和玉米种子的萌发有一定的促进作用,但不利于幼苗的生长,且随着处理浓度的升高,抑制作用增强,当铜溶液浓度达到150 mg/L时黄瓜和玉米的根均不再生长;此外,过量的铜会引起黄瓜和玉米叶绿素a和叶绿素b含量的下降;玉米对铜的耐受性较黄瓜弱。
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Key words
Adult plant growth,Chlorophyll content,Seed germination,Corn,Cu,Cucumber
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