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当前位置: 首页 > 文章 > 根际芽孢杆菌对水稻根系的促生效应 河南农业科学 2018 (4) 59-63
Position: Home > Articles > Promoting Effect of Bacillus Rhizobacteria on Rice Root Journal of Henan Agricultural Sciences 2018 (4) 59-63

根际芽孢杆菌对水稻根系的促生效应

作  者：
徐伟慧;刘泽平;符春敏;王志刚
关键词：
根际促生菌;芽孢杆菌;水稻根系;促生;微生物肥料
摘  要：
为研究不同根际芽孢杆菌及其复合菌剂对水稻根系的促生效应,采用盆栽试验筛出促生效果好的促生菌剂,研究其对水稻根系生长的影响。结果表明,经解磷菌(Bacillus pumilus sp.,J)、溶磷菌(Bacillus megateriun sp.,R)、解钾菌(Bacillus subtilis sp.,K)菌悬液处理后,水稻幼苗胚根长分别比未添加菌液处理提高161.2%、157.9%、110.5%;在未灭菌的土壤中,解钾菌(K,LZP06)菌悬液处理对水稻根系生长有较好的促生效应,水稻幼苗根干质量比清水对照提高了65.3%;在灭菌土壤中,解钾菌+解磷菌[(K+J)s]、解钾菌+溶磷菌+解磷菌[(K+R+J)s]菌悬液处理对水稻有较好的促生效应,水稻幼苗根干质量比灭菌水对照分别显著提高57.8%、69.2%。综上,K(LZP06)菌悬液、复合菌悬液(K+J)s和(K+R+J)s对水稻促生效果较好,可作为微生物肥料生产的候选菌剂。
译  名：
Promoting Effect of Bacillus Rhizobacteria on Rice Root
作  者：
XU Weihui;LIU Zeping;FU Chunmin;WANG Zhigang;College of Life Science and Agroforestry,Qiqihar University;
单  位：
XU Weihui%LIU Zeping%FU Chunmin%WANG Zhigang%College of Life Science and Agroforestry,Qiqihar University
关键词：
Plant growth-promoting rhizobacteria;;Bacillus;;Rice root;;Promoting effect;;Microbial fertilizer
摘  要：
To explore the promoting effect of different Bacillus rhizobacteria and their complex bacteria on rice root,in this study,better promoting strains were screened by germination experiment,and effects of single bacterium and complex bacteria on rice root were evaluated by pot experiment. Results showed that Bacillus pumilus sp.(J),Bacillus megateriun sp.(R) and Bacillus subtilis sp.(K) bacterium suspension significantly increased radical length of rice seedlings by 161. 2%,157. 9%,110. 5% compared to control without bacterium suspension,respectively. In unsterilized soil,the promoting effect of K(LZP06) on rice root was better than other treatments,and root dry weights of rice seedlings were increased by 65. 3%compared to control. The promoting effects of(K + J)Sand(K + R + J)Son rice root were better than other treatments in sterilized soil,and root dry weights of rice seedlings were increased by 57. 8%,69. 2%compared to control,respectively. This study indicates that K(LZP06) bacterium suspension,complex bacteria(K + J)sand(K + R + J)ssuspension can significantly promote the growth of rice root,and they can be used as candidate bacteria agents in microbial fertilizer production.

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