Transgenic insect-resistance hybrid poplar 741 had negative effect on target and non-target phytophagous pests, but had positive effect on natural enemies and neutral arthropod.

• 研究表明，转基因741杨对目标昆虫和非目的植食性害虫存在负效应，而对天敌和中性节肢动物组成和发生无明显负作用。