由河北省石家庄市环业生物农药厂研制成功专治蔬菜害虫小莱蛾的生物病毒农药“环业2号”．经农业部和国家石化工业局批准，近日正式投入批合生产。小菜蛾是一种对白菜、甘蓝．菜花和油菜等十字花科植物危害十分严重的群翅目类害虫．由于它对各种气候条件适应性很强，一年间可繁 Shijiazhuang City, Hebei Province by the Central Biological Biotechnology Pesticide Factory developed a successful vegetable pest insects Levin moth biological virus pesticide “ring industry on the 2nd.” Approved by the Ministry of Agriculture and the State Petrochemical Industry Bureau, recently formally put into batch production. Plutella xylostella is a kind of cabbage, cabbage. Cruciferae such as cauliflower and rape are very harmful to the group of pests of the order group of insects. Because of its adaptability to a variety of climatic conditions, can be complex throughout the year