Through constructing genomic cosmid library of F. oxysporum f. sp. cubense race 4, two pathogenicity mutants, 865 and B1233 were studied further.

• 在构建香蕉枯萎病菌4号生理小种基因组cosmid文库的基础上，对致病突变体865和B1233进行了深入研究，获得致病相关基因的基因序列（包括外显子和内含子）；