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梵净山雷山杜鹃根部真菌分离与鉴定

Acta Agriculturae Boreali-occidentalis Sinica(2014)

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Abstract
对雷山杜鹃根部真菌进行分离、鉴定,以期为雷山杜鹃等高山常绿杜鹃优良菌株的筛选奠定基础.采用根段直接培养法分离真菌,根据形态学特征和rDNA ITS序列分析鉴定分离的菌株.结果表明,经形态学观察,分离菌株分为25个形态类型;rDNA ITS序列分析显示,25个形态类型的菌株中,除6个形态类型的菌株分类地位尚不能确定外,其余19个形态类型的菌株都属于子囊菌门(Ascomycota)的真菌.综上说明,雷山杜鹃根部真菌种类丰富,其中包括典型的欧石楠类菌根(ERM)真菌-树粉孢属(Oidiodendron,Myx otrichaceae)真菌.
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