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茶叶是我省的特产之一,由于长期使用化学农药防治害虫,严重影响了茶叶的品质,且残毒危害人民健康。为了选育杀虫效率高,残毒低,生产性能好的菌株,用来防治茶树害虫,以提高茶叶的产量和质量,1979年5月起,我们先后到安化、桃源等五个县以及我院茶同进行茶树主要害虫病原微生物的调查和采集,从茶毛虫、茶细蛾、大尺蠖、茶卷叶蛾、茶刺蛾、茶蓑蛾等10种害虫采得自然罹病的病虫167头,从病虫屍体上分离纯化获得病原细
Tea is one of the specialties of our province. Due to the long-term use of chemical pesticides to control pests, the quality of tea has been severely affected, and residual poison endanger people’s health. In order to breed insecticidal high efficiency, low residue, good performance of the strains used to control tea pests to improve the yield and quality of tea, since May 1979, we have to Anhua, Taoyuan and other five counties and I In the same year, a total of 167 pests were collected from 10 species of pests such as tea caterpillars, tea moths, large scales, tea leaf roller moths, tea moths and tea moths. Disease and insect cadaver isolated and purified pathogen fine