Cloning and Sequence Analysis of α/β-gliadin Genes from Common Wheat Variety Xiaoyan 54 Primary Study of Rice AFLP Analysis-Optimization of Reaction Conditions and Analysis of Thermo sensitive Genic Male Sterile Rice Allelic Mutant Lines Construction of a Brassica napus Bacterial Artificial Chromosome Library and Identification of Clones Linked to Boron Efficiency Gene Development of Method for Preparation of High Molecular Weight DNA from Citrus grandis (L.) Osbeck‘Guanximiyou’ Development of Method for Preparation of High Molecular Weight DNA from Citrus grandis (L.) Osbeck‘Guanximiyou’ Construction and Characterization of a Bacterial Artificial Chromosome Library for Triticum boeoticum