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我国是世界上最早应用生物防治的国家。但生防在我国农业生产上大面积地推广应用,成为防治病虫害的重要手段之一,这还是近十多年来的事。据1981年统计,全国生防面积已达1亿3千万亩,各地的实践已证明,生物防治病虫害,已收到了除害增产、保护生态平衡、减轻环境污染、节省能源、降低生产成本的效益。
China is the first country in the world to apply biological control. However, biocontrol has been popularized and applied extensively on agricultural production in our country and has become one of the important measures to prevent and control pests and diseases. This is still a matter for more than a decade. According to the statistics of 1981, the total area of biocontrol prevention and control in the country has reached 130 million mu. Practice in various places has proved that biological control of pests and diseases has received pest and disease stimulation, protection of ecological balance, reduction of environmental pollution, energy saving and production cost reduction benefit.