FUNCTION OF CALCIUM IN THE CELL WALL OF RICE LEAVES
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概要
- 論文の詳細を見る
Rice plants were grown in nutrient solutions containing 0.5, 20, and 500 ppm of calcium as CaO. Microscopic observation revealed that the mesophyll structure in the leaves was disordered at the lowest Ca level and became healthy with increasing supply of calcium in the culture solution. The chemical constitution of cell wall and the composition of sugar in each chemical constituent of wall differed little among the leaves grown with different levels of calcium. The calcium con-tents in the walls of calcium deficient leaves were extremely low as compared with those of normal leaves. The amount of calcium extract-able in the lignin fraction of Ca 0.5 leaves was only about one-sixth of that of Ca 500 leaves. Furthermore, calcium in the lignin fraction was leached out by treating the wall previously with 2% acetic acid solution. These results suggest a close association of calcium with ligneous substances in combined forms of physiological importance in the cell walls.
- 日本植物生理学会の論文
著者
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FUJIWARA AKIO
Faculty of Agriculture, Tohoku University
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ITO Akira
Faculty of Engineering, Yamaguchi University
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Ito Akira
Faculty Of Agriculture Tohoku University
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Fujiwara Akio
Faculty Of Agriculture Tohoku University
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