Using morphological traits for identification of Populus nigrastands in Kermanshah and Zanjan provinces of Iran

Document Type : Research article

Authors

1 Ph.D. student., Islamic Azad University, Research and Science Branch

2 Assistant Prof., Research Institute of Forests and Rangelands

3 Professor, Islamic Azad University, Research and Science Branch

4 Associate Prof., Research Institute of Forests and Rangelands

5 Associate Prof., Islamic Azad University, Research and Science Branch

Abstract

In order to adopt strategies for conservation and development, it is necessary to estimate the amount and distribution of genetic diversity in existing populations of poplar. In this study, for estimating genetic diversity between and within 12 stands of Populus nigra established at Kermanshah and Zanjan provinces in Iran, morphological traits were measured. In order to assimilate environmental conditions, seedling were planted under randomized complete blocks design with 3 replications. In the middle of growing season, 23 morphological traits were measured and data were analyzed using analysis of variance, cluster and principal component analysis. Results showed significant differences between stands. Principal component analysis introduced traits with high weight in components. Finally, by using cluster analysis, stands were classified in 2 groups based on 2 different provinces. Results showed that in homogeneous conditions, morphological traits could reveal diversity and similarity in poplar stands.

Keywords

References

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Iranian Journal of Forest and Poplar Research
Volume 17, Issue 3 - Serial Number 37
October 2009
Pages 381-369

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