The present study was carried out to assessment of genetic diversity and screening of sheath blight at the Research Farm of Department of Genetics and Plant Breeding, . University of Agriculture & Technology, Narendra Nagar (Kumarganj), Faizabad. Results revealed that 22 genotypes were grouped into five different non-overlapping clusters. Cluster V, having 6 genotypes, emerged with highest number of entries. The maximum intra-cluster distance was found for cluster II () and highest inter-cluster distance was recorded between cluster IV and V (). Out of eighty-two genotypes tested under natural conditions, none was found to be immune and resistant. However, 30 genotypes, were found moderately resistant, 47 genotypes moderately susceptible, while 3 genotypes susceptible and rest 2 genotypes were found to be highly susceptible. | Genetic diversity based on cluster analyses and sheath blight study of rice Oryza sativa L. genotypes for breeding strategies
