Isolation of water-soluble gibberellins from immature seeds of Pharbitis nil |
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| Authors: | Saburo Tamura Nobutaka Takahashi Takao Yokota Noboru Murofushi Yukiyoshi Ogawa |
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| Institution: | (1) Department of Agricultural Chemistry, The University of Tokyo, Tokyo, Japan;(2) Faculty of Agriculture, Mie University, Mie, Japan |
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| Abstract: | Summary The presence of three water-soluble gibberellins was confirmed in immature seeds of morning-glory (Pharbitis nil). The structure of the main component has been elucidated as 2-O- -glucosyl-gibberellin A3. It shows marked growth-promoting activity on rice seedlings but is far less active on dwarf maize mutants d
1, d
2 and d
5. |
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