一、药源筛选:自1972年以来对苍耳草等30多种野生植物进行灭蛆筛选。方法:将新鲜的苍耳草1市斤切碎,加等量的水,浸泡24小时后,制成50％的浸液。试验:将瓷盆内放大粪500克,蛆50条,将稀释成5％的药液置入盆内,拌匀(对照组方法同)。然后分别在6、12、24、48小时观察结果。苍耳草组,蛆在24小时大部分死亡,48小时全部死亡。假青麻等 First, drug screening: since 1972, such as Koraria 30 kinds of wild plants to kill maggot screening. Methods: Fresh Kombucha 1 kg chopped, add an equal amount of water, soak for 24 hours to make a 50% immersion. Test: The manure amplification porcelain 500 grams, maggots 50, will be diluted into 5% liquid into the basin, mix well (the same way as the control group). Then observe the results at 6, 12, 24, 48 hours respectively. Cocklebur group, most of the maggots died in 24 hours, 48 ​​hours all died. Fake green linen and so on