The AFLP fingerprinting could reveal the minor genotypic diversity among the testedstrains and could be used as an useful molecular marker to identify the crossbreedings.

• 本研究还表明：供试菌株均各自有独特的AFLP带谱，能反映菌株间的微弱遗传差异，可以作为杂交菌株鉴定的可靠分子标记。