NARESH, K. D. SEHRAWAT* AND YOGENDER KUMAR
Department of Genetics and Plant Breeding,
CCS Haryana Agricultural University, Hisar 125004 (Haryana), India
*(e-mail:krishanssehrawat@gmail.com)
(Received : 18 January 2023; Accepted : 10 September 2023)
SUMMARY
A number of fourty five genotypes of barley and six checks were evaluated in augmented design. The non-hierarchical Euclidean cluster analysis grouped the genotypes including checks into seven different clusters. Maximum number of genotypes were centered in cluster VI and VII, nine each. Clusters III, IV and V collected eight genotypes in each group. Lowest number of genotypes were studied to be in cluster II i.e. four. The highest intra-cluster distance was recorded for cluster II, indicating the existence of higher genetic variability within this cluster. The maximum inter cluster distance was recorded between cluster IV and cluster V, pointing to the higher genetic diversity for genotypes included in these clusters. The genotypes viz., IBYT-18-4, IBYT-18-21, IBYT-18-8, IBON- 18-46 and 5th GSBYT-18-6 were scored to be promising for their further exploitation in barley breeding programmes.
Key words: Barley, clusters, euclidean distance, genetic divergence