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随着人们环保呼声越来越强烈 ,安全、无公害的生物农药在新农药开发中大显身手 ,为农业的可持续发展和生态环境免遭破坏做出了积极贡献。在农业病害流行的年份 ,其产量损失 2 0— 50 % ,甚至更多。传统施用的农药多为高毒 ,且生物效力极低 ,大部分未发挥作用而残留于植物上、土
As people’s voice of environmental protection is getting stronger and stronger, safe and pollution-free biological pesticides play an active role in the development of new pesticides and made positive contributions to the sustainable development of agriculture and the protection of ecological environment. In years of epidemic of agricultural diseases, their production lost 20-50% or more. Most of the traditional application of pesticides is highly toxic, and the biological effectiveness of very low, most of the role of residues and remain on the plant, soil