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Study on ultrastructurel of mesophyll cell of Polygonum sibiricum and Triglochin palustre in Qinghai Lakeside

DU Jun hua,FAN Ping,MA Yong gui,DIAO Zhi min (Qinghai Normal University,Xining 810008,China)  
This paper discusses the difference of ultrastructure of Polygonum Sibiricum and Triglochin Palustre response to saline environments in order to answer the question of what adaptation to saline soils on mesophyll cell of two species grown in Qinghai Lakeside A few mesophyll cells and chloroplasts have been disrupted in leaf of T palustre and their expansion of thylakoids are more obvious than that of thylakiods of normal chloroplasts Add in the fact which there are the expansion of thylakiods in region of chloroplasts of undisrupted cell,The results indicated that the expansion of thylakiods in chloroplasts is the characteristic of which chloroplasts would be disrupted in salt stress
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