Preliminary Detection of Polymorphisms of Expressed Sequence Tag in Pinus massoniana Data mining for simple sequence repeats in expressed sequence tags from Saruma heuryi Construction of Leave Library by SSH and Preliminary Analysis of Genes Responsible for Heat Sress in Incarvillea zhongdiannensis Expression of Special Genes Resistant to Powdery Mildew (Blumeria graminis f. sp. tritici) in Wheat Germplasm N9436 Construction on cDNA Library from Fertility-Related Genes of Male Sterile Wheat with Aegilops kotschyi Cytoplasm by SSH