0467744 - BC 2017 RIV GB eng J - Journal Article
Zhang, L. - Zhang, X. - Zhang, Y. - Wu, S. - Gelbič, Ivan - Xu, L. - Guan, X.
A new formulation of Bacillus thuringiensis: UV protection and sustained release mosquito larvae studies.
Scientific Reports. Roč. 6, DEC 22 (2016), č. článku 39425. ISSN 2045-2322. E-ISSN 2045-2322
Institutional support: RVO:60077344
Keywords : Bacillus thuringiensis * pest control * UV protection
Subject RIV: EE - Microbiology, Virology
Impact factor: 4.259, year: 2016
http://www.nature.com/articles/srep39425

Persistence of Bacillus thuringiensis is an important factor in determining the success of this product as a pest control agent. In this report we present the development of a highly active mosquitocidal formulation with high resistance to UV. LLP29-M19 strain of Bt, selected by repeated exposure to UV was found to be highly resistant to UV. The product was optimized and the methods used were statistically analyzed. The results showed that the most favourable composition was sodium alginate 0.78%, CaCl2 4.52%, hollow glass bead 3.12%, bacterial powder 3.0%, melanin 0.015%, sodium benzoate 0.2%, and mouse feed 0.5%, resulting in the immobilization time of 4.5 h, at which time the corrected sustained-release virulence rose 2391.67 fold, which was 6.07-fold higher than the basic formulation and deviated only 5.0% from the value predicted by RSM.
Permanent Link: http://hdl.handle.net/11104/0266601