So, transgenic insect-resistancehybrid poplar 741 showed positive effect on vertical structure of arthropod community.
综合分析表明，转双抗虫基因741杨对节肢动物群落垂直结构具有一定的正面效应。
2
Although resistance separation exists in transgenic pests resistancehybrid F2, pests damage might be avoided through suitable comprehensive protection measures.
转基因抗虫杂交棉f _ 2代虽然存在着抗性分离，但通过适当的综合防治措施，可以防止害虫的危害。
3
Transgenic insect-resistancehybrid poplar 741 had negative effect on target and non-target phytophagous pests, but had positive effect on natural enemies and neutral arthropod.