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Effects of Cadmium on Germination of Six Ipomoea aquatica Breeds
Author(s): 
Pages: 101-104
Year: Issue:  1
Journal: Journal of Zhangzhou Teachers College(Natural Science Edition)

Abstract: 土壤中的高镉对农作物有重要影响,而关注镉对种子发芽作用的研究较少. 本试验模拟了9个不同镉(Cd2+)离子浓度对6种不同空心菜品种的种子发芽的影响. 结果表明:6个空心菜品种中,台湾白骨柳叶空心菜的发芽情况最好,并在加入重金属Cd2+之后仍有95%以上的发芽率、发芽势和发芽指数,可以用来作为受镉污染土壤修复的备选品种;另外,低浓度Cd2+对大部分空心菜品种的种子发芽有促进作用,而高浓度则有一定的抑...
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