|Table of Contents|

Screening of Drought-Tolerance Rhizobium and Its Influence on Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年03期
Page:
420-424
Research Field:
Publishing date:

Info

Title:
Screening of Drought-Tolerance Rhizobium and Its Influence on Soybean
Author(s):
PEI Xiao-feng1GUAN Da-wei2LI Jun2CAO Feng-ming2LI Li2MA Ming-chao2ZHU Bao-cheng1
1.College of Life Sciences,Agricultural University of Hebei,Baoding 071001,Hebei;
2.Institute of Agricultural Resources and Agricultural Regional Planning,Chinese Academy of Agricultural Sciences,Beijing 10081,China
Keywords:
RhizobiumDrought-toleranceBetaineMDASODChlorophyll
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.03.017
Abstract:
Seven soybean Rhizobia strains were screened under simulated drought with PEG-6000 from 21 Rhizobia strains(including two reference strains),which were isolated from Huanghuaihai area.Subsequently,three strains of B.japonicum 4788,B.japonicum 4792 and B.japonicum USDA110 were selected by their performance of nodulation and nitrogen fixing under drought stress including nodule numbers,plant dry weights and total N contents in soil pot experiment with simulated drought environment.Several parameters related with drought resistance of plant were determined when B.japonicum 4792 was inoculated under the condition mentioned above.The results showed that the contents of betain,chlorophyll and SOD in plant were increased but MDA was decreased compared with the uninoculated control,which were beneficial for accumulation of drought-resistance materials and improvement of drought-resistant for soybean plant.

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Last Update: 2014-08-16