Genetic Diversity of Cultivated Populations of Lilium davidii.var.unicolor at Different Altitudes

doi:10.7522/j.issn.1000-694X.2016.00063

JOURNAL OF DESERT RESEARCH ›› 2016, Vol. 36 ›› Issue (4): 1029-1033.DOI: 10.7522/j.issn.1000-694X.2016.00063

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Genetic Diversity of Cultivated Populations of Lilium davidii.var.unicolor at Different Altitudes

Li Mouqiang^1,3, Chen Junliang², Huang Yanwei², Bian Xiaorong^1,2, Ye Shuhui³, Shi Guiying^1,2

1. Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement Gansu Agricultural University, Lanzhou 730070, China;
2. College of Hoticulture, Gansu Agricultural University, Lanzhou 730070, China;
3. Lintao Agricultural Extension Center, Lintao 730500, Gansu, China

Received:2016-01-04 Revised:2016-05-13 Online:2016-07-20 Published:2016-07-20

Abstract

Abstract: To investigate the genetic diversity of Lanzhou Lily in different altitude regions. nter simple sequence repeat(ISSR) molecular technique was used to evaluate the genetic diversity and population structure with 8 primers for 175 from 4 populations at different altitudes at Qidao Liang Hills. Fifty one polymorphic loci were detected from total 59 loc. ISSR analysis results showed that: (1) Genetic diversity at the species level is higher, and the PPF was 86.44%, h is 0.2163, and I is 0.3413. (2) The cultivated populations demonstrated relatively high genetic identity with similarity coefficient was 0.9860-0.9951; The variation between and within populations was accounted for 11.3% of total variance, respectively. The Gst value was 0.113, which indicated genetic differentiation level of populations was medium. (3) The mean of gene flow (Nm) was 3.9247 based on the Gst value estimation. Selection and migration were the primary reasons that affected genetic equilibrium of populations, gene flow (Nm), and population genetic structure between different populations.

Key words: Lilium davidii.var.unicolor, ISSR, genetic diversity, altitude

CLC Number:

Q311

Li Mouqiang, Chen Junliang, Huang Yanwei, Bian Xiaorong, Ye Shuhui, Shi Guiying. Genetic Diversity of Cultivated Populations of Lilium davidii.var.unicolor at Different Altitudes[J]. JOURNAL OF DESERT RESEARCH, 2016, 36(4): 1029-1033.

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Genetic Diversity of Cultivated Populations of Lilium davidii.var.unicolor at Different Altitudes

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