北京,内蒙古、山西和云南省等省区的10个菌株,在黑麦琼脂培养基和立马豆V—8琼脂培养基上进行交配型试验,发现其中3个菌株为A2交配型,7个菌株为A1交配型。A2交配型菌株采自内蒙古自治区和山西省。对卵孢子、藏卵器和雄器的形态进行了描述。te,a*ffn.WhetherA,existsornotinChinahasneverbeenstudiedbefore.In1995webegantheillvestigationanddiscoveredA,inChina'Thepreliminaryresultsofthestudywerepresentasfollow.TheobjectivesofthisstudyistofindoutbysurveywhethertheA,matingtypeexistsinChina,andfurtherresearchontheimmigration,movement,reasonfordevelopmentandepidemiologyoftheA,wouldbecarriedoutlater.1Materialsandmethodsl'1COllectionofsamp