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首页> 外文期刊>Acta Horticulturae >Induction of flower-colour mutation by synchrotron-light irradiation in spray chrysanthemum
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Induction of flower-colour mutation by synchrotron-light irradiation in spray chrysanthemum

机译：喷雾菊上的同步辐照诱导花色突变

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摘要

Chrysanthemum is one of the most important ornamental plants. Mutation breeding is an important tool in breeding of chrysanthemum, and many cultivars have been produced through mutation breeding by using radiation such as gamma ray, etc. Although ion-beam irradiation is now widely used as a mutagen in the mutation breeding of plants, synchrotron light, another form of radiation, has not been used as a mutagen. Therefore, this study was conducted to clarify whether synchrotron light can be used as a new mutagen in chrysanthemum breeding. Five cultivars of spray chrysanthemum were subjected to synchrotron-light irradiation. As a result of the irradiation, the survival rate decreased as the absorbed dose increased. Flower-colour mutations were observedin three cultivars. There were varietal differences in survival rates and the frequencies of flower-colour mutation. Flowers of the mutants showed various colour patterns such as a deeper and paler colour than the original flowers. In the mutant of a cultivar with a marginal picotee, the proportions of picotee changed. A moderate absorbed dose of synchrotron-light irradiation for flower-colour mutation was found to be 11 to 23 Gy. These results indicate that synchrotron light can be used as a new mutagen in the mutation breeding of chrysanthemum.
机译：菊花是最重要的观赏植物之一。突变育种是培育菊花的重要工具，并且通过使用诸如γ射线等的抗静脉等来产生许多品种。尽管现在离子束照射现在广泛用作植物突变育种中的诱变繁殖，同步辐射光，另一种形式的辐射，尚未用作诱变。因此，进行该研究以阐明同步rotron光是否可以用作菊花育种中的新诱变。对喷雾菊花的五种品种进行同步辐照。由于照射的结果，随着吸收剂量的增加，存活率降低。观察到花色突变三种品种。生存率差异和花色突变的频率存在杂色差异。突变体的花朵表现出各种颜色图案，例如更深，更易于较大的鲜花。在具有边缘小区的品种的突变体中，Picotee的比例改变了。发现一种适度的吸收剂的花色突变的同步辐射，是11至23gy。这些结果表明，同步rotron光可以用作菊花的突变育种中的新诱变。

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