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中国农学通报 ›› 2013, Vol. 29 ›› Issue (3): 199-202.doi: 10.11924/j.issn.1000-6850.2012-1170

所属专题: 生物技术

• 植物保护 农药 • 上一篇    下一篇

嘧菌酯对土壤脲酶活性的影响研究

乔思佳 侯志广 王利华 赵晓峰 逯忠斌   

  • 收稿日期:2012-03-29 修回日期:2012-04-25 出版日期:2013-01-25 发布日期:2013-01-25
  • 基金资助:
    吉林省科技厅青年基金资助 “高风险嘧菌酯和醚菌酯残留限量与安全使用技术研究” (2010-0142)。

Effect of Azoxystrobin on Soil Urease Activity

  • Received:2012-03-29 Revised:2012-04-25 Online:2013-01-25 Published:2013-01-25

摘要: 为了明确嘧菌酯对土壤生态环境的安全性,科学合理使用嘧菌酯。采用室内模拟法研究了嘧菌酯对土壤脲酶活性的影响。结果表明:有机质含量高的土壤脲酶活性高;土壤粘粒结构比例高的土壤对土壤酶有保护作用。低浓度的嘧菌酯对供试土壤的脲酶有激活作用,高浓度的嘧菌酯对土壤脲酶有抑制作用,但抑制作用不明显且可消除;随着培养时间的增长,嘧菌酯对土壤脲酶活性的抑制作用能够得到恢复。综合评价认为,嘧菌酯对土壤中的脲酶不具有明显毒性效应,对土壤环境安全性高。

关键词: 生理指标, 生理指标

Abstract: In order to judge of azoxystrobin on soil ecological environment safety, guide the scientific understanding and reasonable use of it, through indoor simulation method to study the azoxystrobin on soil urease activity effect. The results showed that: the urease activity of high organic content soil was high; a high protective effect on soil enzyme which the soil clay structure was high. Low concentrations of azoxystrobin to soil urease showed active effect, a high concentration of azoxystrobin on soil urease showed inhibition, but not obviously and could be eliminated; along with the culture time growing, azoxystrobin on activity of soil urease inhibition could be restored. Comprehensive evaluation, azoxystrobin was with no obvious toxic effects to soil environment, and with high safety.