呋喃丹又称卡巴呋喃,属广谱性杀虫剂,具有残效期长,用药量少等优点,在取代有机氯农药上很有推广价值。1981年我站在7个单位进行了4种农药防治玉米蚜兼治玉米螟的药效试验。各药均制成颗粒剂,在玉米心叶末期施药,施药前调查玉米蚜基数,施药后调查有蚜株率、百株蚜量、天敌种类及数量等,并调查对玉米螟的 Carbofuran, also known as carbofuran, is a broad-spectrum insecticide, with long residual period, the advantages of less dosage, the replacement of organochlorine pesticides is very promotional value. In 1981, I stood in seven units for four kinds of pesticides to control corn aphid and corn borer efficacy test. The drugs were made into granules, the end of the corn leaf application, survey before the application of aphid base, aphid strain rate after investigation, a hundred aphids, natural enemy species and quantity, and the investigation of the corn borer