A new species of Malus in China, Malus shizongensis Liu sp. nov

doi:10.1016/S2095-3119(20)63282-8

Journal of Integrative Agriculture ›› 2020, Vol. 19 ›› Issue (10): 2451-2457.DOI: 10.1016/S2095-3119(20)63282-8

所属专题：园艺-栽培生理/资源品质合辑Horticulture — Physiology · Biochemistry · Cultivation

收稿日期:2019-12-30 出版日期:2020-10-01 发布日期:2020-09-08

A new species of Malus in China, Malus shizongensis Liu sp. nov

LIU Zhen-zhong¹, LI Zhong-xing², GAO Hua¹, BAO Cha-na²

¹ College of Horticulture, Northwest A&F University, Yangling 712100, P.R.China
² State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling 712100, P.R.China

Received:2019-12-30 Online:2020-10-01 Published:2020-09-08
Contact: Correspondence BAO Cha-na, Tel/Fax: +86-29-87082648, E-mail: baochana1996@163.com
About author:LIU Zhen-zhong, E-mail: liuzzes@sina.com;
Supported by:
This work was supported by the Shaanxi Provincial Science and Technology Project, China (K3310216042, K3360217106).

摘要/Abstract

Abstract:

Based on morphological, molecular biological, and molecular systematic studies, we describe here a new species of Malus from Yunnan, China. We compared the morphology of this new species, Malus shizongensis Liu sp. nov, with three Malus species, including M. hupehensis, M. baccata, and M. micromalus. Although the appearance of M. shizongensis was similar to these three species, it differed in height, branch color, branch hair, and flower color. To better identify the taxonomy of this new species, genome of M. shizongensis and that of seven Malus species, including M. prunifolia, M. sylvestris, M. sieversii, M. hupehensis, M. baccata, M. robusta, and M. micromalus were analyzed. A phylogenetic tree based on genome analysis indicated that M. shizongensis was close to M. hupehensis. Furthermore, M. shizongensis had its species-specific SNPs, and the number of species-specific SNPs was similar to that of three close species (M. hupehensis, M. baccata, and M. micromalus). Based on the above information, we named this new species as M. shizongensis Liu sp. nov.

Key words: Malus , new species , taxonomy

. [J]. Journal of Integrative Agriculture, 2020, 19(10): 2451-2457.

LIU Zhen-zhong, LI Zhong-xing, GAO Hua, BAO Cha-na. A new species of Malus in China, Malus shizongensis Liu sp. nov[J]. Journal of Integrative Agriculture, 2020, 19(10): 2451-2457.

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