Effect of the Cultivar Characteristics on the Appearance of Flower Color Mutants by C-ion Irradiation in Chrysanthemum

Tamaki Katsutomo, Yamanaka Masahito, Hayashi Yoriko, Abe Tomoko, Koyama Yoshihiko

doi:10.2503/hrj.16.117

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キクの品種特性が炭素イオンビーム照射による花色突然変異体の出現に及ぼす影響
キクノヒンシュトクセイガタンソイオンビームショウシャニヨルハナイロトツゼンヘンイタイノシュツゲンニオヨボスエイキョウ

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Abstract

<p>We irradiated 17 cultivars of large-mum, 19 cultivars of small-mum, and a single cultivar of spray-mum. As a result of inducing flower color mutation, there was a cultivar-specific difference in mutation frequencies, regardless of the flower type. The mutation spectrum of the flower color varied according to the color of the used cultivar. Various colors were obtained from pink or reddish purple cultivars. They had a wide mutation spectrum. On the other hand, a specific color was obtained from yellow, brown, or white cultivars. In pink or reddish purple cultivars, there was a cultivar-specific difference in the obtained flower color or the number of mutation varieties. In this report, we show that the selection of a cultivar as a material is the most important to obtain flower color mutants by C-ion irradiation. It is also important to check the flower color of the material cultivar, in order to get the expected flower color mutants. The results of this research are useful for the selection of the cultivar as a material for C-ion irradiation. So, ion-beam breeding of flower color in chrysanthemum could be conducted efficiently.</p>

Journal

Horticultural Research (Japan)

Horticultural Research (Japan) 16 (2), 117-123, 2017

THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE

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