Study of genetic variation in cultivars and landraces of chickpea based on agronomic traits in dryland conditions

Document Type : Research Paper

Authors

1 Islamic Azad University of Kermanshah

2 Razi University of Kermanshah

3 Dryland Agricultural Research Sub-Institute of Sararood

Abstract

In order to study of genetic variation in cultivars and landraces of chickpea, a trial consisted of 96 accessions of chickpea received from Iranian gene bank (Seed and Plant Improvement Institute) along with five checks (Araman, Bivanij, Jam, Hashem and ILC-482) was conducted based on an augmented design in 2005-06 cropping season at research farm of agricultural college, Razi University, Kermanshah, Iran. For evaluating of accessions, the morphological, physiological and phonological traits during plant growth were measured. The results of ANOVA and mean comparisons showed that there were significant differences among accessions for the studied traits. The results of cluster and discriminant function analyses based on grain yield showed that the chickpea genotypes can be classified in four groups, where the first to fourth groups consisted of 72, 27, 1 and 1 genotypes, respectively. The results of principalcomponent analysis and biplot analysis showed that there were genetic variation among chickpea genotypes for the studied traits. According to biplot analysis, 24 genotypes with high yield and earliness were separated from 13 genotypes with high yield and late maturity. Twenty one genotypes were fall in the group with low yield and late maturity and 24 genotypes with low yield and earliness.

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