Abstract:Isozymes in the seedlings of 12 combinations of hybrid rice and th-eir male-steriles,maintainers,and restorers were analysed with themethod of polyacrylamide gel electrophoresis.These isozymes were este-rase,peroxidase,cytochrome oxidase,polyphenol oxidase glutamie-oxalacetic transaminase,amylyse,gl