In this dissertation, heredity, variation and pathogenicity differentiation of Curvularia lunata in maize leaf spot were firstly studied from interaction between plant and pathogen. Pathogenicity and physiological differentiations of this pathogen were investigated systemically in the four ways including isoenzyme analysis, identification on differential hosts, RAPD analysis and artificial mutation.
By screening the prominent maize inbred-lines and the widely-planted cultivars in China, author est...