Key factors affecting the population dynamics of Aphis gossypii in transgenic insect-resistant cotton fields Labeled Bt toxin Cry1Ac protein with green fluorescent protein and its locating and distributing in midgut of larvae of Helicoverpa armigera 粉纹夜蛾离体细胞对Bt CrylAc毒素的抗性发展及其交互抗性 Studies on cry1Ac Gene Transgenic Plants of Saccharum Complex by Particle Bombardment Obtaining High Pest-resistant Transgenic Upland Cotton Cultivars Carrying cry1Ac3 Gene Driven by Chimeric OM Promoter Transformation of Chrysanthemum with a Synthetic Cry1Ac Gene Mediated by Agrobacteriumtum efaciens Effects of Bt toxin Cry1Ac on biochemical responses of Eisenia fetida in an artificial soil STUDY ON RADIOIMMUNOASSAY OF Bt Cry1Ac PROTEIN Effect of Different LED Light Qualities on Bt Toxic Protein Content and Chlorophyll Fluorescence of Transgenic Poplar Leaves ISOLATION AND IDENTIFICATION OF Cry1Ac PROTEIN-DEGRADING BACTERIA AND ITS DEGRADATION CHARACTERISTICS Transformation of 741 Poplar with Double Bt Genes and the Insect-Resistance of the Transgenic Plant Evaluating transgenic cry1Ac maize for resistance to Ostrinia furnacalis (Guenée) Effects of Cry1Ac and Cry2Ab proteins on the growth and enzyme activities of Chrysopa pallens Obtainment of Transgenic ‘Xueqing’ Pear Plants with a Synthetic Cry1AcGene Mediated by Agrobacterium tumefaciens IMMUNOTOXICOLOGIC ASSESSMENT OF RICE GENETICALLY MODIFIED WITH Cry1ac/Sck GENE Effect of artificial diet containing Cry1Ac toxin on growth, development and population increase of Ostrinia furnacalis (Güenée) (Lepidoptera: Crambidae) Effects of fluorescent brightener on the peritrophic membrane of Cry1Ac-resistant and Cry1Ac-susceptible Helicoverpa armigera larvae and the synergistic effects Stability of resistance to Cry1Ac and its effects on relative fitness in Helicoverpa armigera Cross-resistance of Cry1Ac-selected Asian corn borer to other Bt toxins