Clonal Structure and Genetic Diversity of Natural <em>Syringa pinnatifolia</em> var.<em>alanshanica</em> Assessed by ISSR

YANG Ya-Jun; LI Ji-Ning; GONG Lei; ZHOU Jian

doi:10.3724/SP.J.1142.2013.10085

Plant Science Journal > 2013 > 31(1): 85-92. > DOI: 10.3724/SP.J.1142.2013.10085 CSTR: 32231.14.SP.J.1142.2013.10085

YANG Ya-Jun, LI Ji-Ning, GONG Lei, ZHOU Jian. Clonal Structure and Genetic Diversity of Natural Syringa pinnatifolia var.alanshanica Assessed by ISSR[J]. Plant Science Journal, 2013, 31(1): 85-92. DOI: 10.3724/SP.J.1142.2013.10085

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Clonal Structure and Genetic Diversity of Natural Syringa pinnatifolia var.alanshanica Assessed by ISSR

1.
School of Life Science,Ningxia University, Yinchuan 750021, China
2. College of Forest Resources and Environment,Nanjing Forestry University, Nanjing 210037, China

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Received Date: April 04, 2012
Revised Date: June 13, 2012
Published Date: February 27, 2013

Graphical Abstract

Abstract

Abstract

Clonal diversity,growth structure,and genetic diversity of 8 natural Syringa pinnatifolia var.alanshanica populations were assessed by ISSR molecular markers.Results showed that 16 ramets of 3 individual genets shared the same genotype,whereas 136 genotypes were differentiated among the other 239 samples from 7 populations.Clonal diversity revealed that S.pinnatifolia var.alanshanica was a phalanx clonal species and each population was composed of several clones.Most genets contained one ramet and the highest quantity of one genet consisted of 8 ramets.A relatively high clonal diversity of genotype Simpson’s index (D=0.994) and distributional uniformity of genotype Fager’s index (E= 0.985) was detected.Individuals per genotype (N_C) and mean genotype proportion (PD) were 1.729 and 0.578,respectively,at the species level.In addition,high genetic diversity was detected at both population and species level.The coefficient gene differentiation (G_ST) was 0.320,indicating less differentiation among populations than within populations.
- Syringa pinnatifolia var.alanshanica,
- ISSR,
- Clonal diversity,
- Growth structure,
- Genetic diversity

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References (25)

References

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