STIMULATIVE EFFECT OF HALOGENATED TYROSINE ON ROOT GROWTH OF RICE SEEDLING

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概要

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• The effect of iodotyrosine and its related compounds on the root elongation was studied using intact roots of rice seedlings grown on an agar medium and in a culture solution. MIT (3- monoiodotyrosine ) , DIT ( 3,5-diiodotyrosine ) markedly stimulated the growth of seminal root, but tyrosine itself was not active. Both iodinated amino acids doubled the length of seminal root in comparison with the control when used at the concentration of 106<-5>M, where the growth of shoot and crown root was not affected. And above 10^<-5>M, the deveioplnent of lateral root and root hairs was inhibited. DBT (3,5-dibromotyrosine) also notably increased the length of seminal root. Potassium iodide did not accelerate the growth of root.

• 日本植物生理学会の論文
• 1965-06-00

著者

• Mukai Noboru

  Tokyo Research Laboratory Kyowa Hakko Kogyo Company Ltd.

• KINOSHITA SHUKUO

  Tokyo Research Laboratory, Kyowa Hakko kogyo Company, Ltd.

関連論文

• STIMULATIVE EFFECT OF HALOGENATED TYROSINE ON ROOT GROWTH OF RICE SEEDLING

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