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Acta Prataculturae Sinica ›› 2015, Vol. 24 ›› Issue (12): 164-179.DOI: 10.11686/cyxb2015222

• Orignal Article • Previous Articles     Next Articles

Phenotypic variation of wild Arundinella hirta populations from Liaoning province

LIU Ying, BAI Long, LEI Jia-Jun*   

  1. College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
  • Received:2015-04-29 Online:2015-12-20 Published:2015-12-20

Abstract:

The phenotypic variation of eight Arudinella hirta populations collected from Liaoning province was determined. Ten phenotypic traits of eight wild populations were analysed using the coefficient of variation, principal component analysis and cluster analysis. There were significant differences in morphological characteristics within and between populations of A. hirta at P<0.01. The coefficients of variation were ranked as follows: total spikelet number/panicle (42.01%)>flag leaf depth (27.94%)>flag leaf length (26.83%)>flag leaf width (20.98%)>leaf number (19.64%)>stem diameter (19.70%)>panicle length (19.30%)>tiller dry weight (18.62%)>plant height (10.19%)>panicle dry weight (8.16%). Principal component analysis based on ten morphological characteristics showed that three principal components reflected most of the phenotypic characteristics; differences between populations were derived from panicle length, panicle dry weight, tiller dry weight and spikelet number. UPGMA cluster analysis identified three groups including tall plants with long and wide flag leaves, tall plants with long and narrow flag leaves and short plants with short and narrow leaves. Correlation analysis showed that some traits were strongly correlation with phenotypic traits and ecological factors.