Changes of foliar δ13C value of Quercus fabric in different root underground habitat types in Karst area. Sequence Analysis of ITS Regions and ndhA Gene for Determining Phylogenetic Relationship of Diospyros kaki(persimmon) With Other Related Wild Diospyros(Ebenaceae) Species Transformation of Antisense Wheat Mlo (Ta-Mlo) Gene and Wheat Powdery Mildew Resistance Analysis of Transgenic Plants