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《Acta Prataculturae Sinica》 2009-04
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Effect on physiological characteristic of Medicago sativa under saline-alkali stress at seeding stage

ZHANG Yong-feng1,2,3,LIANG Zheng-wei1,SUI Li2,CUI Yan-ru2(1.Northeast Institute of Geography and Agricultural Ecology,Chinese Academy of Sciences,Changchun 130012,China;2.Jilin Academy of Agricultural Sciences,Changchun 130124,China;3.Graduate School of Chinese Academy of Sciences,Beijing 100039,China)  
Under different saline-alkali stress,the physiological biochemistry response of Medicago sativa Gongnong No.1 leaves were studied.The content of soluble sugar and proline were increased with saline-alkali concentration increasing,could be up to 87.16% and 753.49 μg/g respectively;The rate of bound water increases gradually when increasing saline-alkali concentration,but the rate of free water had no remarkable change,the rate of bound water/free water was 0.94;Water retaining capacity of isolated leaves decreased 12%-48%,when increasing saline-alkali concentration.
【CateGory Index】: S541.9
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