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茶叶是人们不可缺少的饮料之一,也是我国传统的出口商品,对国计民生有着重要的作用。随着茶叶生产水平的提高,茶园病虫害的防治也受到了重视。但由于长期使用较稳定性的化学农药,使害虫产生抗药性,伤害了昆虫天敌,造成某些害虫的再猖獗,同时增加了茶叶中的农药残留量,从而影响到茶叶生产和人体健康。为了探索新的茶园害虫防治方法,自1983年来,中国科学院武汉病毒研究所利用苏云金杆菌对茶毛虫、茶尺蠖进行了毒力筛选,现将结果作一报道。
Tea is one of the indispensable drinks for people and also a traditional export commodity of our country, which plays an important role in national economy and people’s livelihood. With the improvement of the level of tea production, the control of pests and diseases in the tea plantation has also been taken seriously. However, due to the long-term use of more stable chemical pesticides, pests produce resistance and harm natural enemies of insects, resulting in the re-rampancy of certain pests and pesticide residues in the tea leaves, thereby affecting tea production and human health. In order to explore a new method of pest control tea, since 1983, Wuhan Institute of Virology, Chinese Academy of Sciences using Bacillus thuringiensis on tea caterpillars, tea scrofa virulence screening, the results for a report.