The significance of carbohydrate metabolism on potassium uptake, especially compared with phosphorus uptake by rice plants

Mitsui, S.; Hiroshi, H.

Jap. Potassium Symp 1958: 6-20


Accession: 014271942

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When rice seedlings, germinated in distilled water for 15 days, were grown in culture solutions low in salts and sugars, addition of carbohydrates (glucose, ribose) and organic acids (malate, pyruvate, succin-ate, gluconate) increased the O2 uptake by roots; while the uptake of NH4-N and P was equally affected by carbohydrates and organic acids, K uptake was only increased by carbohydrate additions and was not affected or depressed by addition of organic acids.