植物切り枝によるブドウ糖または塩化カリの吸収及びその組織内含度の変化について

概要

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Studies were made in order to compare the daily variation, in the culling, of the absorption of glucose or KC1 and their contents in the tissues with the daily variation in the intact plants, using Max Merrill and Solidago serotina Ait. The daily increase of content of both these substances in leaves and stemsand their absorptions from external solutions had a tendency to be larger in the cutting than in the intact plant This tendency was more remarkable with the increase of concentration of external solutions. Both of the absorbed substances accumulated more in leave than in stem, and it was noticeable in connection with root regeneration of cutting that the accumulations of both these substances in stem were greater in the cutting than in the intact plant. The increase of the absorption degree and the content in the tissue was larger when the materials were put in glucose solution than in KC1 solution, and this tendency was greater with the increase of concentration of external solutions. It seems 1o be obvious from the above results that the contents of glucose or KC1 in the tissues and their absorbed amounts varied by the presence or the absence of root systems and by the difference in species and concentration of external solutions.
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