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Effect of chemical additives on Bacillus thuringiensis (Bacillales: Bacillaceae) against Plutella xylostella (Lepidoptera: Pyralidae)
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SYSNO ASEP 0393872 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of chemical additives on Bacillus thuringiensis (Bacillales: Bacillaceae) against Plutella xylostella (Lepidoptera: Pyralidae) Author(s) Zhang, L. (CN)
Qiu, S. (CN)
Huang, T. (CN)
Huang, Z. (CN)
Xu, L. (CN)
Wu, C. (CN)
Gelbič, Ivan (BC-A) RID, ORCID
Guan, X. (CN)Number of authors 8 Source Title Journal of Economic Entomology. - : Oxford University Press - ISSN 0022-0493
Roč. 106, č. 3 (2013), s. 1075-1080Number of pages 6 s. Language eng - English Country US - United States Keywords additives ; Bacillus thuringiensis ; biocontrol Subject RIV GF - Plant Pathology, Vermin, Weed, Plant Protection CEZ AV0Z50070508 - ENTU-I, BC-A (2005-2011) UT WOS 000320111300002 EID SCOPUS 84878888651 DOI 10.1603/EC12288 Annotation To examine the effect of chemical additives on Bacillus thuringiensis (Berliner) against Plutella xylostella (L.), inorganic salts, nitrogenous compounds, protein solubilizing agents, and organic acids were selected and tested. The chosen materials are low in cost and environmentally safe. Results show that many inorganic salts can increase the activity of B. thuringiensis in a range of 1.31- to 3.08-fold. These include calcium acetate, calcium chloride, calcium hydroxide, calcium sulfate, calcium carbonate, sodium carbonate, sodium acetate, potassium hydroxide, potassium carbonate, potassium acetate, magnesium chloride, magnesium sulfate, and zinc sulfate. Nitrogenous compounds, including peptone, sodium nitrate, and ammonium nitrate, can enhance the activity of B. thuringiensis 1.62-, 1.32-, and 1.37-fold, respectively. Among the protein solubilizing agents, EDTA, urea, mercaptoethanol and dipotassium hydrogen phosphate increased the activity of B. thuringiensis 1.62- to 2.34-fold. Among the organic acids, maleic and citric acids boosted the activity 1.45- and 1.55-fold, respectively. Meanwhile, sodium benzoate and resorcinol led to 1.74- and 1.44-fold activity gains, respectively. Use of appropriate additives could provide great beneŢt not only in reducing the cosi for Ţeld applications of biological insecticides but also by boosting the efŢcacy of B. thuringiensis. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2014 Electronic address http://www.bioone.org/doi/pdf/10.1603/EC12288
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