Abstract
Genetic diversity is a useful parameter that facilitates production of more efficient plant species under different conditions. Accordingly, the most common bread wheat (Triticum aestivum L. emend, Fiori & Paol.) genotypes including 10 diverse parents with their F1s were grown in late sown condition and analyzed for genetic diversity and heritability. The high narrow sense heritability was observed for days to 75% flowering (45.63), days to maturity (37.55), chlorophyll fluorescence (Fv/Fm) (39.90) and protein content (31.52). The divergence analysis based on Euclidian methods indicated the presence of adequate genetic diversity in the experimental materials. The fifty five wheat genotypes were grouped into eight clusters. Cluster I had maximum (14) genotypes, while Cluster VI contained only one genotype. The maximum inter-cluster distance was observed among cluster VI and cluster VIII. The result of the principal components analysis revealed that six principal components (PC1 to PC6) accounted for nearly 81.75% of the total variation. The information so generated could be used to plan crosses and study the extent of heterosis.
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