奉小忧;曾清如;皮荷杰;王文;孙毓临;张伟华;廖建宇;

• 1:湖南农业大学资源环境学院

摘要(Abstract)：

在土壤(山西土)中加入不同种类、不同浓度的硝化抑制剂(氢醌、硫脲、双氰胺),研究了其对小麦发芽势、发芽率和幼苗生长的影响.结果表明:双氰胺对小麦发芽势和发芽率的抑制作用不明显,硫脲对小麦发芽势和发芽率有一定的抑制作用,而氢醌对小麦发芽势和发芽率抑制明显;双氰胺和氢醌对小麦幼苗生长的影响不大,而硫脲能显著降低小麦幼苗的根长、茎长、根重和茎重;双氰胺对小麦种子和幼苗毒性相对较小,硫脲毒性相对较大,小麦的根重、茎重和根伸长可以作为硫脲对小麦危害的敏感指标.

关键词(KeyWords)： 硝化抑制剂;发芽率;小麦;抑制率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(No.30770389)

作者(Author): 奉小忧;曾清如;皮荷杰;王文;孙毓临;张伟华;廖建宇;

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