[1]孙庆元,蒙敏,张雪崧,等.尿素酶抑制剂NBPT对大豆幼苗生长的影响[J].大豆科学,2007,26(06):897-901.[doi:10.3969/j.issn.1000-9841.2007.06.017]
　SUN Qing-yuan,MENG Min,ZHANG Xue-song,et al.EFFECT OF UREASE INHIBITOR NBPT ON GROWTH OF SOYBEAN SEEDLINGS[J].Soybean Science,2007,26(06):897-901.[doi:10.3969/j.issn.1000-9841.2007.06.017]
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尿素酶抑制剂NBPT对大豆幼苗生长的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第26卷 期数: 2007年06期 页码: 897-901 栏目: 出版日期: 2007-12-25
Title:
EFFECT OF UREASE INHIBITOR NBPT ON GROWTH OF SOYBEAN SEEDLINGS
文章编号:
1000-9841(2007)06-00897-05
作者:
孙庆元; 蒙敏; 张雪崧; 赵略; 刘娜
大连工业大学 生物与食品工程学院,大连 116034
Author(s):
SUN Qing-yuan; MENG Min; ZHANG Xue-song; ZHAO Lue; LIU Na
College of Bio ＆ Food Technology，Dalian Polytechnic University，Dalian 116034
关键词:
尿素; 尿素酶抑制剂; NBPT; 大豆幼苗生长
Keywords:
Urea; Urease inhibitor; NBPT; Growth of soybean seedling
分类号:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.06.017
文献标志码:
A
摘要:
尿素作为底肥在土壤尿素酶的作用下快速水解，对大豆幼苗生长产生不良影响。尿素酶抑制剂NBPT可抑制土壤尿素酶的活性，但是如何施用NBPT 既抑制了土壤尿素酶的活性，又不影响大豆幼苗的生长还少有报道。采用盆栽方法研究了NBPT对尿素水解速度、大豆出苗、幼苗生长的影响。结果表明，NBPT对土壤脲酶具有较强的抑制作用，有效浓度在0.1%～2%之间。与尿素配合施用NBPT有效地减缓了只施用尿素对幼苗的毒害作用，NBPT与尿素配比为1∶100时对大豆出苗有较大的促进作用，可提高20.7%。配施NBPT对大豆幼苗的生长都有明显的促进作用，将NBPT比尿素先施2 d显示了更好的效果。
Abstract:
The growth of soybean（Glycine max(L.) Merr.）seedlings could be decreased with urea applied as base fertilizer soon hydrolyzed with catalysis of soil urease.Urease inhibitor NBPT was known to inhibit urease activity.However，few reports were found how to apply NBPT for decrease the soil urease activity and increase soybean seedling growth.Using pot experiment to study the effects of NBPT on the urea hydrolysis，the seed emergence and seedling growth of soybean.The results showed that NBPT could inhibit efficiently the soil urease activity in the range of 0.1%~2%.The soybean seed emergence rate and seedling growth was increased when NBPT was applied with urea at 1∶100.NBPT applied 2 days earlier than urea showed a higher inhibition activity and a promotion to soybean seed emergence rate and seedling growth.

参考文献/References:

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备注/Memo

基金项目：辽宁省教育厅科研项目(2004D203)；大连市重点科研项目（大连计发\[2003\]99号）；辽宁省发酵工程重点实验开放课题(辽发2006-009号)

作者简介：孙庆元（1957-），男，教授，博士，从事尿素酶抑制剂应用及其作用机理研究。 Email: qsun@dlpu.edu.cn

更新日期/Last Update: 2014-10-19