Among the varieties of pear tested there were to or to corresponding gene pairs resistant to the pear scab: to , ,o其中，鸭梨不含抗病基因，菊水梨只含个抗病基因，金川梨、金花梨、苍溪梨可能分别含～、～ 、～个抗病基因，其余品种可能分别含有～或～个抗病基因；