3种重金属不同浓度对烤烟生长及产值量的影响
详细信息 查看官网全文
摘要
本试验采用盆栽方式,研究了不同浓度汞(Hg)、镉(Cd)、铅(Pb)对烤烟生长及产值量的影响。结果表明:在3种重金属不同浓度处理下,烤烟生长均受到抑制,特别在高浓度(Hg和Cd为3.5 mg·㎏-1~4.0mg·㎏-1﹑Pb为800 mg·kg-1~900 mg·kg-1)上,烤烟的农艺性状均受到明显抑制,均造成烤烟不同程度的减产。
A pot experiment was conducted to study the influence of different concentration of Hg,Cd and Pb on growth and quantity of flue-cured tobacco.The results showed that the growth of flue-cured tobacco was inhibited under different heavy metals pollution.Under Hg and Cd pollution the remarkable influence of heavy metals consistency on agronomic attributes of flue-cured tobacco was 3.5~4.0mg·kg-1 and under Pb,The biomass falling lead to lower the output and quantity.The concentrations of heavy metals in different parts of tobacco increased with the increase of heavy metals added in the soil.The concentration of heavy metals in different parts of tobacco followed the orders:root>leaf>stem(Hg,Pb):leaf>root>stem(Cd).
A pot experiment was conducted to study the influence of different concentration of Hg,Cd and Pb on growth and quantity of flue-cured tobacco.The results showed that the growth of flue-cured tobacco was inhibited under different heavy metals pollution.Under Hg and Cd pollution the remarkable influence of heavy metals consistency on agronomic attributes of flue-cured tobacco was 3.5~4.0mg·kg-1 and under Pb,The biomass falling lead to lower the output and quantity.The concentrations of heavy metals in different parts of tobacco increased with the increase of heavy metals added in the soil.The concentration of heavy metals in different parts of tobacco followed the orders:root>leaf>stem(Hg,Pb):leaf>root>stem(Cd).
引文
[1]张艳玲,尹启生,周汉平,等.中国烟叶铅、镉、砷的含量及分布特征[J].烟草科技,2006(11):49~52,57.
[2]秦松,王正银,刘明竞.喀斯特边远农区正安县植烟土壤重金属含量及其特征[J].水土保持学报,2007,21(1):72~98.
[3]王海龙,李小平.重金属污染对烟草生理生化和结构的影响[J].楚雄师范学院学报,2006,21(9):39~45.
[4]周会光、罗战勇、陈俊标,等.中华人民共和国烟草行业标准烟草农艺性状调查方法[M].国家烟草专卖局,1998.
[5]宋玉芝.土壤铅污染对水稻生长影响的研究[J].南京气象学院学报,2005,28(4):536~542.
[6]匡少平,张书圣.作物对土壤中环境激素铅的吸收效应及污染防治[J].农业环境保护,2002,2l(6):481~484.
[2]秦松,王正银,刘明竞.喀斯特边远农区正安县植烟土壤重金属含量及其特征[J].水土保持学报,2007,21(1):72~98.
[3]王海龙,李小平.重金属污染对烟草生理生化和结构的影响[J].楚雄师范学院学报,2006,21(9):39~45.
[4]周会光、罗战勇、陈俊标,等.中华人民共和国烟草行业标准烟草农艺性状调查方法[M].国家烟草专卖局,1998.
[5]宋玉芝.土壤铅污染对水稻生长影响的研究[J].南京气象学院学报,2005,28(4):536~542.
[6]匡少平,张书圣.作物对土壤中环境激素铅的吸收效应及污染防治[J].农业环境保护,2002,2l(6):481~484.