研究了不同剂量苯氧威对两个世代玉米象和谷蠹的杀虫效果。结果表明,苯氧威不仅能有效地防治敏感品系的储粮害虫,亦对抗性品系有效,且持效期长,对粮食、环境无污染。 The insecticidal effect of different doses of phenoxyvitamin on two generations of Zea mays and Rhododendron simonii were studied. The results showed that phenoxygen not only can effectively control the stored grain pests in sensitive lines, but also has the effective antagonistic lines with long lasting effect and no pollution to food and environment.