150亿孢子/g球孢白僵菌可湿性粉剂的研发及对西花蓟马的防治应用

doi:10.16409/j.cnki.2095-039x.2020.06.017

摘要/Abstract

摘要： 为了研发靶标害虫为西花蓟马的球孢白僵菌杀虫剂，我们首先通过筛选、纯化和复壮获得对西花蓟马高效的真菌菌株；其次，对液-固双相发酵条件和发酵工艺进行优化；然后，改良了产品剂型和配方；最后对产品进行环境和毒性评价。结果显示该产品各项指标均符合国家标准。150亿孢子/g球孢白僵菌可湿性粉剂于2018年在国内获审批登记。喷施1800～3000 g/hm²对辣椒上西花蓟马的防效均为74%以上。推荐用量为2400 g/hm²。该产品的研发和获批登记为西花蓟马的生物防治奠定了坚实的基础。

关键词: 球孢白僵菌, 可湿性粉剂, 西花蓟马

Abstract: In order to develop an insecticide of Beauveria bassiana against Western Flower Thrips (WFT), Frankliniella occidentalis, firstly, fungal strains with high efficiency to WFT were selected by screening, purification and rejuvenation; secondly, the liquid-solid two-phase fermentation conditions and fermentation process were optimized; thirdly, the product formulation and formula were improved; fourthly, environment and toxicity assessment of the product were evaluated. The results showed that all the indicators of the product were in line with national standards. The 15 billion conidia/g B. bassiana wettable powder was approved and registered in China in 2018. The control efficacies of spraying 1800―3000 g/ha on thrips on pepper are above 74%. The recommended dosage is 2400 g/ha. The development and registration of the product have laid a solid foundation for the biological control of WFT.

Key words: Beauveria bassiana, wettable powder, Frankliniella occidentalis

中图分类号:

S476.2

王海鸿, 刘胜, 王帅宇, 雷仲仁. 150亿孢子/g球孢白僵菌可湿性粉剂的研发及对西花蓟马的防治应用[J]. 中国生物防治学报, 2020, 36(6): 858-861.

WANG Haihong, LIU Sheng, WANG Shuaiyu, LEI Zhongren. Research and Development of Wettable Powder of Beauveria bassiana and Its Control and Application to Frankliniella occidentalis[J]. Chinese Journal of Biological Control, 2020, 36(6): 858-861.

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