Shatalova Elena I, Grizanova Ekaterina V, Dubovskiy Ivan M
Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences, 630501 Krasnoobsk, Russia.
Laboratory of Biological Plant Protection and Biotechnology, Novosibirsk State Agrarian University, Dobrolubova Str. 160, 630039 Novosibirsk, Russia.
Nanomaterials (Basel). 2022 May 4;12(9):1558. doi: 10.3390/nano12091558.
Three types of modified silicon dioxide nanoparticles (SiO2, 10−20 nm) with additives of epoxy, silane and amino groups, used independently and in combination with the entomopathogenic bacteria Bacillus thuringiensis subsp. morrisoni and fungus Metarhizium robertsii were tested against Colorado potato beetle (Leptinotarsa decemlineata) and cabbage beetles (Phyllotreta spp.). All three nanoparticles were found to have an entomocidal effect on Colorado potato beetle larvae and crucifer flea beetles when ingested. Increased susceptibility of insects to B. thuringiensis or M. robertsii blastospores and their metabolites was shown after exposure to the modified silicon dioxide nanoparticles. The potential of modified silicon dioxide nanoparticles to enhance the efficiency of biopesticides based on the bacteria B. thuringiensis and fungi M. robertsii is considered in the paper.
三种带有环氧基、硅烷基和氨基添加剂的改性二氧化硅纳米颗粒（SiO₂，10 - 20纳米），单独使用以及与昆虫病原细菌苏云金芽孢杆菌莫里森亚种和真菌罗伯茨绿僵菌联合使用，对科罗拉多马铃薯甲虫（Leptinotarsa decemlineata）和甘蓝叶甲（Phyllotreta spp.）进行了测试。发现所有这三种纳米颗粒在被摄入时对科罗拉多马铃薯甲虫幼虫和十字花科跳甲都有杀虫作用。在接触改性二氧化硅纳米颗粒后，昆虫对苏云金芽孢杆菌或罗伯茨绿僵菌芽生孢子及其代谢产物的易感性增加。本文探讨了改性二氧化硅纳米颗粒提高基于苏云金芽孢杆菌和罗伯茨绿僵菌的生物农药效率的潜力。
