凯撒是目前最新的拟除虫菊酯类杀虫剂,有效成分是四溴菊酯。凯撒除具有菊酯类农药的共有特点——广谱、高效、击例如力强、对作物安全外,其用量更少。防治棉铃虫、红铃虫,每亩仅需10～15毫升,已在美国、日本等多个国家广泛使用。使用凯撒防治蔬菜蚜虫、菜青虫,每亩用量为5～7.5毫升。防治烟草烟青 Caesar is the latest pyrethroid insecticide, the active ingredient is tralomethrin. In addition to the common features of pyrethroid pesticides, Caesar is broad-spectrum, high-efficiency, high-impact, and less safe for crop safety. Control bollworm, pink bollworm, only 10 to 15 ml per acre, has been widely used in many countries such as the United States, Japan. Use Caesar control aphids vegetables, cabbage caterpillar fungus, the amount of 5 to 7.5 ml per acre. Tobacco smoke prevention and control