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Hg、Cd及共同作用对烟草叶绿素含量及抗氧化酶系统的影响
2007/8/29
摘要本文报道了Hg、Cd及二者共同作用明显不同程度地影响烟草叶绿素含量及抗氧化酶系统。受Hg、Cd胁迫后，随着土壤中Hg、Cd浓度的增加，叶绿素含量、叶绿素a／b值、CAT活性逐渐减小，SOD活性先升后降，POD活性则逐渐增加。同时也表现出单一Hg、Cd对烟草叶绿素含量及抗氧化酶系统的影响明显大于Hg、Cd二者的共同作用。
CHRONIC Cd TOXICITY OF BEAN PLANTS CAN BE PARTIALLY REDUCED BY SUPPLY OF AMMONIUM SULPHATE
ammoniun sulphate oxidative stress photosynthesis
2010/12/1
The effect of ammonium sulphate supply on plant Cd uptake, growth and photosynthesis of bean plants (cv. Limburgse vroege) grown in Cd-contaminated artifi cial soil was studied. The experiments were p...