Characterization of Three Homoeologous cDNAs Encoding Chloroplast-targeted Aminolevulinic Acid Dehydratase in Common Wheat The resistance to tribenuron-methyl in Galium aparine in winter wheat fields in northern China Effect of Lentinus Edodes root water-extractionon on rape seed vigor and stress resistance Ecological Risks of Herbicide-tolerant Genetically Modified Crops and Associated Management Protocol Establ ishment of Tall Fescue Transgene by Biolistics Development of cytoplasmic herbicide resistance foxtail millet and its difference to the susceptible general varieties