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Assessment of the genetic diversity in a collection of Erianthus arundinaceus

文献类型: 外文期刊

作者: Cai, Q. 1 ; Aitken, K. S. 4 ; Fan, Y. H. 2 ; Piperidis, G. 5 ; Liu, X. L. 2 ; McIntyre, C. L. 4 ; Huang, X. Q. 3 ; Jackso 1 ;

作者机构: 1.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China

2.Yunnan Acad Agr Sci, Yunnan Sugarcane Res Inst, Yunnan Prov Key Lab Genet Improvement Sugarcane, Kaiyuan 661600, Yunnan, Peoples R China

3.Minist Agr, Key Lab SW Crop Gene Resources & Germplasm Innova, Kunming 650223, Yunnan, Peoples R China

4.CSIRO, Div Plant Ind, St Lucia, Qld 4067, Australia

5.BSES Ltd Mackay, Te Kowai, Qld 4741, Australia

6.CSIRO Plant Ind, Davies Lab, Aitkenvale, Qld 4814, Australia

关键词: AFLPs;Erianthus arundinaceus;Genetic diversity;Sugarcane

期刊名称:GENETIC RESOURCES AND CROP EVOLUTION ( 影响因子:1.524; 五年影响因子:1.713 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Erianthus arundinaceus, a wild relative of sugarcane has a number of traits including tolerance to environmental stresses desired by sugarcane breeders. The value of genetic diversity studies in providing useful information for introgression breeding and germplasm conservation is well known. A previous study reported little genetic diversity in a number of Indonesian E. arundinaceus while Indian E . arundinaceus was more diverse. A small number of Chinese E. arundinaceus was observed as being relatively diverse. However, an assessment of the genetic diversity of E. arundinaceus from the major geographical areas in the world has not been reported before. In this study, 207 E. arundinaceus accessions from China, Indonesia, India, New Guinea, Philippines and Vietnam were sampled for genetic diversity analysis using AFLP markers. Three AFLP primer combinations generated 286 markers in total, with the percentage of polymorphism observed being 99.3%. A dendrogram and PCA diagram were constructed based on the matrix of similarity analyzed with UPGMA method by NTSYS software. The results showed that: (1) a high level of diversity found within the Chinese collection compared with the Indonesian collection and (2) there was a general division amongst clones from China based on those collected from eastern versus western parts of the country, and clones from Yunnan province (western China) were the most diverse.

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