一种新型抗生素农药-瑞拉菌素最近在西安通过省级鉴定。它的问世标志着我国防治农作物病虫害生物技术得到进一步发展。据了解,目前我国每年使用较多的高毒、高残留化学农药,由此带来的生态失衡和环境污染日趋严重。开发、生产和运用具有独立知识产权的高新技术、无公害 A new antibiotic pesticide-lerebacterium recently passed provincial-level accreditation in Xi’an. Its advent marks the further development of biological techniques for preventing and controlling pests and diseases of crops in our country. It is understood that at present, China uses more high-toxic and high-residual chemical pesticides every year, resulting in increasingly serious ecological imbalances and environmental pollution. Development, production and use of high-tech with independent intellectual property rights, pollution-free