Peroxidase Isozyme of Young Leaves of Genus Fagopyrum Plants at Three-leaf Stage Esterase Isozymes of Young Leaves at Three-leaf Stage of Genus Fagopyrum Plants Esterase isozyme on sprouting seeds of genus Fagopyrum Analysis of Karyotypes and Evolutionary Features of Wild Species of Buckwheat Genetic diversity of buckwheat and its wild species Peroxidase isozyme in sprouting seeds of genus Fagopyrum