This book is the result of finding of a research conducted on rice seeds collected from Syangja district of Nepal. There were forty-five different varieties of rice seed including improved, hybrid and local; collected from farmers and tested in laboratory to find different fungal pathogens. Seven different species of fungal pathogens were detected with various level of seed infection. Improved and hybrid varieties were found to be infected higher than that of local varieties. Nine different treatments including chemicals and different local botanicals were tested for their efficacy to control those pathogens also.