植物农药是指用于防治作物病虫草害的植物体及植物体的提取物,有时也包括提取物的人工合成物。虽然植物农药占整个农药领域专利申请量的很少一部分,但其申请量呈逐年上升的趋势。短短十年来,申请量成倍增长,由最初每年申请三、四件增至1996年的近五十件。据统计,到1998年底,我 Plant Pesticide refers to the plant and plant extracts used to control crop pests and weeds, and sometimes artificial extracts of extracts. Although plant pesticides make up a very small part of the total number of patent applications in the entire pesticide field, their applications have been increasing year by year. In just 10 years, the number of applications has doubled, from the initial application of three or four applications a year to nearly 50 in 1996. According to statistics, by the end of 1998, I