Test of the Cold Res stance of the Tea Varieties by the Plasmolytic Permeability of their Leaf Cells

概要

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Some experiments were carried out if the cold resistance of the tea varieties could be tested by measuring the plasmolytic.permeability of the tea leaf cells, and the following results were obtained.<BR>1. The tea varieties which were more resistant to cold showed more permeable of the cell membrane for water and solute and needed shorter time for deplasmolysis of the cells.<BR>2. The deplasmolysis time was shorter in the triploid plants which showed higher cold resistance in spite of their lower osmotic pressure than the diploid ones.<BR>3. It was practically useful that the cold resistance of any tea variety could be judged under the same treating solution and time as in the case of Yabukita.<BR>4. It was recognized that this method was available to judge the cold resistance of the tea varieties.
日本茶業技術協会の論文