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《Journal of Shanxi Agricultural Sciences》 2015-09
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Selection of Salt Tolerance Indices and Salt Tolerance Evaluation of Various Sorghum at Its Seedling Stages

ZHOU Fu-ping;LIU Qing-shan;ZHANG Yi-zhong;ZHANG Xiao-juan;YAN Feng-xia;GUO Qi;LIANG Du;Key Laboratory of Sorghum Genetic and Germplasm Innovation of Shanxi Province,Institute of Sorghum,Shanxi Academy of Agricultural Sciences;  
To screen and evaluate the salt tolerance index of the sorghum lines at seeding period, to provide theoretica foundation for breeding new varieties of sorghum, this study based on 20 sorghum strains, analyzed the salt tolerance of the different sorghum lines with subjection value and cluster analysis. The results showed that 0.6% was the appropriate salt concentration during the process of sorghum salt resistance appraisal, the salt tolerance index range of sorghum strains was different, it presented normal distribution, the coefficient of variation was in the range of 0.295 to 0.808. Correlation analysis indicated that the correlation between the index and the average subjection value reached significant level. The 20 sorghum lines were divided into five categories: highly tolerant type, salt tolerant type, medium tolerant type, salt sensitive and highly salt sensitive by cluster analysis. Relative bud, relative plant fresh weight and relative dry weight can be used as identification indicators in the seedling stage of sorghum.
【Fund】: 山西省科技攻关项目(20130311003-3)
【CateGory Index】: S514
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