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Interspecific hybridization in Lonicera caerulea and Lonicera gracilipes: The occurrence of green/albino plants by reciprocal crossing

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タイトル: Interspecific hybridization in Lonicera caerulea and Lonicera gracilipes: The occurrence of green/albino plants by reciprocal crossing
著者: Miyashita, Tomomi 著作を一覧する
Hoshino, Yoichiro 著作を一覧する
キーワード: Albino
Interspecific hybridization
Lonicera caerulea var. emphyllocalyx
L. gracilipes var. glabra
Nuclear–cytoplasmic incompatibility
発行日: 2010年 7月26日
出版者: Elsevier
誌名: Scientia Horticulturae
巻: 125
号: 4
開始ページ: 692
終了ページ: 699
出版社 DOI: 10.1016/j.scienta.2010.05.032
抄録: Lonicera caerulea L. var. emphyllocalyx (Maxim.) Nakai is a berry crop cultivated in cold regions. So far, commercial cultivars have been mainly introduced from selection of wild plants. Therefore, fruit traits and other agricultural characteristics have been limited. In this study, interspecific crosses between L. caerulea var. emphyllocalyx and Lonicera gracilipes var. glabra Miquel were examined to increase genetic variability of L. caerulea var. emphyllocalyx. Seedlings were obtained from reciprocal crosses between L. caerulea var. emphyllocalyx and L. gracilipes var. glabra. The hybrid nature of seedlings was confirmed with random amplified polymorphic DNA analysis. Viable green plants were obtained efficiently from L. gracilipes var. glabra×L. caerulea var. emphyllocalyx. In contrast, all plants produced from L. caerulea var. emphyllocalyx×L. gracilipes var. glabra were albino. These albino plants were very weak and only survived in culture condition. The chlorophyll deficiency was unilaterally observed, suggesting the occurrence of nuclear–cytoplasmic incompatibility. Viable F1 hybrids obtained from L. gracilipes var. glabra×L. caerulea var. emphyllocalyx are amphidiploid (2n=4x = 36) as showing same to both parents. The hybrid plants are expected to increase the variability of fruit traits, and may have heat tolerance from L. gracilipes var. glabra.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/43307
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 星野 洋一郎

 

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