Ovicidal/larvicidal activities of Bacillus thuringiensis spore-crystal proteins to Ovomermis sinensis Advances in the eco-safety researches of transgenic Bt maize Identification,Expression and Insecticidal Activity Analysis of cry Genes from Bacillus thuringiensis V4 THE MANAGEMENT STRATEGIES AGAINST RESISTANCE OF PESTS TO Bt-TRANSGENIC PLANT Proceeding in Plant Anti-Insect Genetic Engineering The Sub-cellular Localization of the Bt Crystal Protein in Transgenic Bt Cotton Cell A STUDY ON THE INTRODUCTION OF MALE STERILITY OF ANTIINSECT TRANSGENIC Populus nigra BY TA29-BARNASE GENE Enhanced resistance of transgenic tetraploid Isatis indigotica by Bt and CpTI to moths