Research Progress on the Sexual Stage of Setosphaeria turcica;

Cloning of CaM(Calmodulin) gene and inhibitory effect of trifluoperazine on Setosphaeria turcica;

Regulation of MAPK Signal Pathway on the Production and Biological Activity of HT-toxin in Setosphaeria turcica;

Study on Preparation Methods of Exserohilum turcicum for Intact Chromosome DNA;

Cloning and functional analysis of scytalone dehytratase gene in Exserohilum turcicum;

Effects of HT-toxin produced by Exserohilum turcicum on lipoxygenase activity in corn leaf cells;

The study on mechanism of resistance to northern corn leaf blight showed the infection speed of E.

Methods of isolation, culture and sporulation for northern corn leaf blight were assessed.

Northern corn leaf blight caused by Setosphaeria turcica is one of the important corn leaf diseases.

Bacterium strain ST-87-14 which have significant effecacy to control corn leaf spot(including corn curvalaria leaf spot,northern leaf blight of corn and southern leaf blight of corn) was screened through dual culture,experiments in greenhouse and field plot.

The Northern Leaf Blight of Corn is one of the important leaf diseases of corn in the world.

Study on Structural Identification and Inactivation of HT-toxin Produced by Exserohilum turcicum;

Efffect of HT-toxin from Exserohilum turcicum onActivity of Ascorbate Oxidase in Corn Leaves;

The thesis adopt the inoculation method, studied the maize yield loss and component influence of different grade of diseases and the amount of worm, and studied the mixed damage of maize Ostrinia furnacalis (A), Curvularia lunata (B), Exserohilum turcicum(C), Sphacelotheca reiliana(D) and economic threshold.

Studies on models of northern leaf blight lesion expansion with time in maize;

isolates of Northern leaf blight (Helminthosporium turcicum )were isolated from the 123 samples collected in six regions of Hebei provin be from 1992 to 1993.