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Effects of Exogenous Proline on the growth of Cucumber seedlings under the Salt Stress

Li Yu-qin1 Li Qian1 Zhang Yong-qing2*(1 College of life Science,Shanxi Teachers University;2 Collage of Urban and Environmental Science,Shanxi Normal University,Linfen 041004,China)  
The salt resistance effects of exogenous proline in the growth of cucumber seedlings were studied with sand culture.The results showed that exogenous proline could significantly improved the root length,the dry weight of root,chlorophyll content,increased the absorption surface area of root,activities of protected enzymes such as catacase(CAT).It is proposed that exogenous proline could induce salt resistance,salt tolerance and decrease alleviate damage degree of salt stress of cucumber seedlings.
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