Cloning and Functional Identification of Promoter Region of GhWRKY64Induced by Multi-stresses in Cotton (Gossypium hirsutum) Responses of Antioxidant Enzyme and PSII Electron Transport in Leaf of Transgenic Tobacco Carrying 2-Cys Prx to Salt and Light Stresses Function Deletion Analysis of Light-Induced Gacab Promoter from G.arboreum in Transgenic Tobacco Cloning and Functional Analysis of a 9-Cis-Epoxycarotenoid Dioxygenase Gene(SgNCED1) from Stylosanthes Guianensis Specific Expression of Cry1A Gene Driven by Cotton arf1 Promoter in Tobacco Enhanced resistance to Tobacco mosaic virus in transgenic tobacoo plants with lec-s from soybean Cloning of 6-SFT Gene from Leymus racemosus and Analysis of Tolerance to Drought and Cold Stresses in Transgenic Tobacco