Genetic Diversity Analysis of Morphological Characters of Allium caeruleum with Different Geographical Distributions in Xinjiang

doi:10.11924/j.issn.1000-6850.casb16100088

Abstract

Abstract: In this study,the phenotypic traits of 45 A.caeruleum germplasm resources were analyzed by the genetic diversity in order to effective evaluation and utilization of Allium resources. [Result]The results showed that A.caeruleum distributed in mountain grasslands,arid desert and arid grasslands,81°09′N - 86°38′ N,48°15′ E - 43°15′E,altitude 320- 1896 m,along the north of the Tian Shan Mountains and the south of Altai Mountains that were divided into seven ecological zones. The coefficient of variation were between 21.19-700％,genetic diversity index were between 0.10 and 1.68 of 15 quantitative traits. The principal component analysis showed that the total loading of the bulbil number,bulbil size,bulblet size,bulblet number and root size was above 0.90,respectively. The differences appearing in root, bulb and inflorescence were among them response to their habitats. [Conclusion]A.caeruleum has geographically widespread distribution zones. Its habitat is diverse and the adaptation is strong. The result revealed that the broad genetic diversity existed among these quantitative traits.

CLC Number:

S633.3

张馨,叶远荣 and 邱娟. Genetic Diversity Analysis of Morphological Characters of Allium caeruleum with Different Geographical Distributions in Xinjiang[J]. Chinese Agricultural Science Bulletin, 2017, 33(31): 39-45.

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