Characterization of Rice High-Tillering and Dwarf 1 (HTD1) Gene Promoter in Transgenic Arabidopsis Cloning and Functional Analysis of a Vascular Tissue-specific Promoter from Populus tomentosa Assessment of Agrobacterium sensitivity for different soybean genotypes and excellent germplasm screening THE ESR STUDIES OF FUNGUS STAINED WOOD Research on the Factors Related to Agrobacterium-mediated Genetic Transformation of the Chinese Chive Factors affecting genetic transformation efficiency for stylo (Stylosanthes guianensis) with Agrobacterium tumefaciens Expression Profiles of Arabidopsis WRKY68 Transcription Factor Cloning and Functional Analysis of APETALA1 Promoter