华南风铃木类植物种质资源的形态与分子鉴定

doi:10.11924/j.issn.1000-6850.casb18100035

中国农学通报 ›› 2019, Vol. 35 ›› Issue (7): 36-41.doi: 10.11924/j.issn.1000-6850.casb18100035

所属专题：资源与环境

华南风铃木类植物种质资源的形态与分子鉴定

金海湘¹, 戴金宏², 黄桂莲¹, 陈峥³, 黄颂谊¹

1.广州市绿化公司;2.中山大学生命科学学院广州;3.广州市绿化公司广州

收稿日期:2018-10-12 修回日期:2018-11-27 接受日期:2018-11-28 出版日期:2019-03-04 发布日期:2019-03-04
通讯作者: 黄颂谊
基金资助:
广州市绿化公司科研项目“风铃木类植物种质资源鉴定”(GZLC-Z201806)。

Germplasm Resources of Tabebuia and Handroanthus in South China: Morphology and Molecular Identification

Received:2018-10-12 Revised:2018-11-27 Accepted:2018-11-28 Online:2019-03-04 Published:2019-03-04

摘要/Abstract

摘要： 原产于中南美洲的风铃木类植物(紫葳科)因具有很高的观赏价值广泛栽培于华南地区。然而这些植物的种源目前还有疑问。本研究对栽培于华南的风铃木类植物进行了系统的形态和分子鉴定。结果表明,这七个分类单元的植物来自于两个属(Tabebuia和Handroanthus)的四个物种(T. rosea,T. aurea,H. chrysanthus 和H. impetiginosa),其中H. chrysanthus 包括两个亚种(H. chrysanthus subsp. chrysanthus和H. chrysanthus subsp. meridionalis)。其中,紫花/洋红/粉红风铃木在分子水平上无法区分,支持其作为一个物种。正确的物种鉴定为杂交育种、科学管理和园林应用奠定了基础。

关键词: 干热风, 干热风, 发生规律风险预报

Abstract: Tabebuia and Handroanthus (Bignoniaceae) are native to central and south America, and widely cultivated in south China because of the high ornamental value, but the provenance of these plants is still unclear. We carried out the morphology and molecular identification of these plants cultivated in south China. The results indicated that: 7 taxa belonged to 4 species from 2 genera (Tabebuia and Handroanthus), including T. rosea, T. aurea, H. impetiginosa and 2 subspecies of H. chrysanthus (H. chrysanthus subsp. chrysanthus and H. chrysanthus subsp. meridionalis). 3 taxa with main difference in petal color could not be distinguished at the molecular level, supporting them as one species. Correct classification of these species will contribute to the hybrid breeding, scientific management and landscape application.

金海湘,戴金宏,黄桂莲,陈峥,黄颂谊. 华南风铃木类植物种质资源的形态与分子鉴定[J]. 中国农学通报, 2019, 35(7): 36-41.

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华南风铃木类植物种质资源的形态与分子鉴定

Germplasm Resources of Tabebuia and Handroanthus in South China: Morphology and Molecular Identification

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