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Scientia Silvae Sinicae ›› 2014, Vol. 50 ›› Issue (11): 147-157.doi: 10.11707/j.1001-7488.20141120

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A Review of Research Progress on Molecular Phylogeny and Biogeography in Juglans

Zhao Peng1, Zhou Huijuan1, Liu Zhanlin1, Hu Dongfeng3, Dang Meng1, Li Zhonghu1, Wang Mali1, Zhao Guifang1   

  1. 1. Key Laboratory of Resource Biology and Biotechnology in Western China of Ministry of Education College of Life Sciences, Northwest University Xi'an 710069;
    2. United States Department of Agriculture Department of Forestry and Natural Resources, Purdue University West Lafayette, IN 47907, USA;
    3. Shaanxi Environmental Monitoring Station Xi'an 710054
  • Received:2014-01-13 Revised:2014-04-29 Online:2014-11-25 Published:2014-12-04

Abstract:

The genus Juglans (Juglandaceae) consists of about 21 species, which are disjunct groups and distributed mainly in Asia, Europe, and America. The germplasm resources are rich and the varieties are wide in Juglans, which are with long cultivation history. Many species in Juglans are of biological and economical importance because of their high quality timber and nutritious nuts. In this article, the history and progress of molecular phylogeny and biogeography were reviewed. The confused phylogenetic issues were summarized and discussed for Chinese endemic species J. hopeiensis, J. cathayensis, and J. mandshurica, also endangered species of J. cinerea that belongs to section Cardiocaryon. This review made some prospects for future researches on the genetic diversity, origin and distribution, and evolution history in Juglans. With the rapid development of molecular biological technology, the next generation sequencing techniques would be useful tools in studying the phylogeny and biogeography of Juglans (non-model plants).

Key words: Juglans, phylogeny, taxa, evolution, genome, biogeography

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