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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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Title: Interspecific hybridization in Lonicera caerulea and Lonicera gracilipes: The occurrence of green/albino plants by reciprocal crossing
Authors: Miyashita, Tomomi Browse this author
Hoshino, Yoichiro Browse this author →KAKEN DB
Keywords: Albino
Interspecific hybridization
Lonicera caerulea var. emphyllocalyx
L. gracilipes var. glabra
Nuclear–cytoplasmic incompatibility
Issue Date: 26-Jul-2010
Publisher: Elsevier
Journal Title: Scientia Horticulturae
Volume: 125
Issue: 4
Start Page: 692
End Page: 699
Publisher DOI: 10.1016/j.scienta.2010.05.032
Abstract: 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.
Type: article (author version)
URI: http://hdl.handle.net/2115/43307
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 星野 洋一郎

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