【摘要】 九十年代世界农药表现出三个特点：１．各大化学公司通过兼并、合并、分化，强化农业化学品的研究开发。２．生物工程研究在植保领域异常活跃。３．与七、八十年代不同，化学农药新的化合物系列并不明显，但是高性能的新品种不断出现。更多还原

【Abstract】 The global pesticides in the nineties show some new distinguishing feature.By merging,combining and splitting of the major agrochemical corporations,the R & D of agrochemicals are enhanced.The genetic engineering research is quite lively in the field of the crop protection.The new pesticides do not have distinct compounds series,like in the seventies and eighties,but give very high activities.更多还原