Comparative Study on the Structure Characteristics of the Leaf,Stem,Root of Yunnan Wild Rice Species Isolation,Identification and Phylogenetic Analysis of Endophytic Diazotrophs in Tengxian Medical-use Oryza officinalis RAPD mapping of a brown planthopper(Nilaparvata lugens)resistance gene from Oryza officinalis Comparative Physical Mapping of Bph3 with BAC-FISH in Oryza officinalis and O. sativa Wild Rice Gene Expression in Response to Brown Planthopper (Nilaparvata lugens Stål) Feeding and Whitebacked Planthopper (Sogatella furcifera Horvath) Feeding CHROMOSOME IDENTIFICATION IN A HYBRID OF ORYZA SATIVA ×O.OFFICINALIS BY GENOMIC IN SITU HYBRIDIZATION Identification of Hybrid of Oryza sativa×O.meyeriana Using Genomic in situ Hybridization Analysis of a Mosaic Monosomic Alien Addition Line of Rice with Chromosome 7 of Oryza officinalis C-Genome and Its Backcross Progeny