Efficient induction of flower-color mutants by ion beam irradiation in petunia seedlings treated with high sucrose concentration
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概要
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We examined the effect of pretreatment on the frequency of flower-color mutants induced by ion beams. We found that petunia seedlings treated with 3% sucrose from 8 days after sowing accumulated significant amount of pigments within 4 days compared to non-treated control seedlings. The petunia seedlings treated with sucrose were exposed to 320-MeV carbon ions. The sucrose treatment did not affect the survival rate and seed fertility of the M1 plants. In the M2 lines obtained by self-pollination of individual M1 plants, chlorophyll mutants were obtained in both treated and non-treated groups with a similar frequency. Flower-color mutants that included magenta, purple, light pink and white were obtained from the original violet color. The frequency of flower-color mutants was significantly higher in the sucrose-treated group than in the non-treated group. These results suggest that sucrose pretreatment specifically increases the frequency of flower-color mutation following ion beam irradiation.
- 2010-03-25
著者
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HASE Yoshihiro
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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OKAMURA Masachika
Plant Research Center, Kirin Agribio Company, Limited
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TAKESHITA Daigaku
Plant Research Center, Kirin Agribio Company, Limited
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NARUMI Issay
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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TANAKA Atsushi
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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Tanaka Atsushi
Quantum Beam Sci. Directorate Japan Atomic Energy Agency
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Narumi Issay
Quantum Beam Sci. Directorate Japan Atomic Energy Agency
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Narumi Issay
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Hase Yoshihiro
Quantum Beam Sci. Directorate Japan Atomic Energy Agency
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Hase Yoshihiro
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Hase Yoshihiro
Quantum Beam Science Directorate Japan Atomic Energy Agency (jaea)
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Takeshita Daigaku
Plant Research Center Kirin Agribio Company Limited
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Okamura Masachika
Plant Research Center Kirin Agribio Company Limited
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Okamura Masachika
Plant Laboratory Kirin Brewery Co. Ltd.
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Tanaka Atsushi
Quantum Beam Science Directorate Japan Atomic Energy Agency (jaea)
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Narumi Issay
Radiation-applied Biology Division Japan Atomic Energy Agency
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