Plant and Cell Physiology, 1986, Vol. 27, No. 2 187-192
© 1986
Article |
Effect of Sodium Application on Growth of Amaranthus tricolor L.
Plant Nutrition Laboratory, Department of Agricultural Chemistry, Faculty of Agriculture, Kyoto University Kyoto 606, Japan
Sodium application of 0.5 meq./liter to water-cultured Amaranthus tricolor L. cv. Tricolor plants brought about a three-fold increase in dry matter production compared with those of plants deprived of sodium. This increase was due to sodium itself and not to a supplementary effect of sodium on potassium shortage nor to the accompanying anion. In sodium-sufficient plants, the total nitrogen and potassium contents were lower and calcium, chlorophyll and betacyanin contents were higher than in the deficient plants.
(Received June 18, 1985; Accepted November 18, 1985)
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