There were distinct differences among IGS PCR-RFLP, RAPD, REP-ERIC-PCR. In dendrogram constructed using IGS PCR-RFLP, the strains tested were mainly grouped according to cultivars origins.

• IGS PCR-RFLP揭示菌株与宿主植物的相关性，而RAPD和REP-ERIC-PCR则表明菌株与地理来源的关系更为密切。