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以生物素(biotin-16-dUTP)标记的天蓝冰草(Agropyronintermedium(Host)P.B=Elytrigiaintermedia(Host)Nevski=Thinopyrumintermedium(Host)BarkworthandDewey)染色体组DNA为探针,普通小麦(TriticumoaestivumL.)“中国春”DNA为封闭,用荧光原位杂交(FISH)技术对小