Effects of a New Plant Growth Regulator Prohexadione Calcium (BX-112) on Shoot Elongation Caused by Exogenously Applied Gibberellins in Rice (Oryza sativa L.) Seedlings
スポンサーリンク
概要
- 論文の詳細を見る
The effects of a novel plant growth regulator (PGR) prohexadione calcium (BX-112; calcium 3,5-dioxo-4-propionylcyclohexanecarboxylate) on shoot elongation caused by exogenously applied GA_1, GA_3, GA_4, GA_<19> and GA_<20> were investigated in rice (Oryza sativa L. cv. Nihonbare and cv. Tan-ginbozu) seedling test. Depending on the dose, BX-112 reduced shoot elongation in both cultivars caused by GA_<19> and GA_<20>, but not by GA_1. When a high dose of BX-1 12 (e.g. 250 ng/plant and over) was applied with GA_1 or GA_4, shoot elongation was even promoted. This pro-motive effect, however, was not observed with GA_3. These results suggest that BX-112 inhibits gibberellin (GA) biosynthesis in the rice plant at the 3β-and 2β-hydroxylation of GAs, namely steps of activation and inactivation, respectively.
- 日本植物生理学会の論文
著者
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SAKURAI Akira
The Institute of Physical and Chemical Research
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Kamiya Y
Riken Plant Science Center
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Sakurai A
The Institute Of Physical And Chemical Research (riken)
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Sakurai Akira
The Inst. Of Phys. And Chem. Res.
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Abe H
Riken
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Nakayama Ishizue
Life Science Research Institute, Kumiai Chemical Industry Co., Ltd.
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Kobayashi Masatomo
The Institute of Physical and Chemical Research
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Kamiya Yuji
The Institute of Physical and Chemical Research
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Abe Hiroshi
Life Science Research Institute, Kumiai Chemical Industry Co., Ltd.
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Miyazawa Takeshige
Life Science Research Institute, Kumiai Chemical Industry Co.
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Kamiya Yuji
Riken Frp.
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Kobayashi Masatomo
The Inst. Of Phys. And Chem. Res.
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Sakurai Akira
Fac. Sci. & Eng. Saitama Univ.
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Nakayama I
Kumiai Chemical Ind. Co. Ltd. Shizuoka Jpn
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Nakayama Ishizue
Life Science Research Institute Kumiai Chemical Industry Co. Ltd.
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Katsumi M
The Inst. Of Phys. And Chem. Res.
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Kobayashi Masaru
Plant Nutrition Laboratory Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto Univers
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Miyazawa Takeshige
Life Science Research Institute Kumiai Chemical Industry Co.
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Abe Hiroshi
Life Science Research Institute Kumiai Chemical Industry Co. Ltd.
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