Biological activities of gibberellin biosynthesis-related substances in the barley endosperm test

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概要

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• The biological activities of various gibberellin biosynthesis-related substances; mevalonic acid, kaurene derivatives, steviol, GA_<18>, GA_<38>, GA_<23>, GA_<28> and GA_3, were examined using the barley endosperm test, with the "paper disc method", which respond to a very small amount of gibberellin. Mevalonic acid was inactive. Kaurene was slightly active and its activity levelled off at a relative small dosage. Though the activity of kaurenol after a short period was similar to that of kaurene after a longer period, the former showed an optimum curve of activity after a longer period. Kaurenoic acid, steviol and GA_<18> also showed an optimum activity curve, after a short period in which the highest activity increased in the sequence given. The activities of GA_<38>, GA_<23> and GA_3 were found to be high after a very short period, increasing in the sequence given and linearly with an increase in dosage although GA_<28> was very slightly active after a longer period.

• 日本植物生理学会の論文

著者

• Ogawa Yukiyoshi

  Faculty Of Agriculture Mie University

関連論文

• The Inhibition of Flowering by Non-Induced Cotyledons of Pharbitis nil
• Biological activities of gibberellin biosynthesis-related substances in the barley endosperm test
• Stimulation of the Flowering of Pharbitis nil Chois. by Gibberellin A_3 : Time Dependent Action at the Apex

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