Abstract
This dissertation studys Bom psPhaeria dothidea within biology foster properties
division, Pathogen division,VCGs(Vegetative compatibility grop)divison and
RFLP(Restriction Fragment Length PolyInorphism)division. The four results are got f
l. Four families can be distinguished from their foster biology properties.
2. The pathogen division within Hosts and Loci can be seen. The pathogen of
DongBeiQu cultures show the strongest virulen...