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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?
Beijing, Inner Mongolia, Shanxi and Yunnan provinces and autonomous regions of 10 strains of rye agar and Vimax V-8 agar medium for mating type test and found that three strains A2 mating type, seven strains For the A1 mating type. A2 mating strains were collected from Inner Mongolia Autonomous Region and Shanxi Province. The morphology of oospores, oviparous and male species is described. te, a * ffn. WhetherA, existsornotinChinahasneverbeenstudiedbefore. In1995webeganthevestigvestiganddiscoveredA, inChina’Thepreliminaryresultsofthestudywerepresentasfollow. TheobjectivesofthisstudyistofindoutbysurveywhethertheA, matingtypeexistsinChina, andfurtherresearchontheimmigration, movement, reasonfordevelopmentandepidemiologyoftheA, wouldbecarriedoutlater. 1Materialsandmethodsl’1COllectionofsamp?