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《Chinese Journal of Tropical Crops》 1994-02
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Lin Meixing Yang Hangjin(Dept. of Biol., Xiamen Univ.)  
Under the refrigerating conditions ( low temperatures of above oC ) , the permeability of plasma membrane in Hevea brasiliensis was rising steadily with the prolongation of low temperature treatment, and the rising rates of chilling resistant clones were slower than those of chilling-sensitive clones, The respiratory intensity and ATP content were dropping with the prolongation of treatment time, and the dropping rates of chilling resistant clones were slower than those of chilling sensitive clones.The resistant clones alones also displayed a noticeable change in the activities of chloroplasts Mg ++-ATPase, obviously different from those of the sensitive clones. It is thus seen that the changes of the permeability of plasma membrane, respiratory intensity, ATP content and Mg++-ATPase activity are related to the chilling resistance of clones. The respiratory intensity and ATP content under low temperature negatively related to .the change of plasma membrane permeability which has a bearing on the supply of energy.
【CateGory Index】: S794.1
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