期刊
JOURNAL OF INVERTEBRATE PATHOLOGY
卷 130, 期 -, 页码 133-135出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jip.2015.08.002
关键词
Water molds; Oomycetes; Entomopathogens; Mosquitoes; UV-A radiation
类别
资金
- Coordination for the Improvement of Higher Level -or Education- Personnel (CAPES, MERCOSUR) [PPCP-016/2011]
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)
- National Agency for Technology and Science, ANPCyT [PICT 0622]
Impact of UV-radiation in entomopathogens in aquatic environments remains little investigated. The present study reports on the effect of UV-A on the larvicidal activity of Leptolegnia chapmanii zoospores in Aedes aegypd; on the production of zoospores in larvae killed by the pathogen and then exposed to UV-A; and on the activity of these zoospores against healthy larvae. Whereas the virulence of free zoospores in A. aegypti larvae was affected by a UV-A exposure time longer than 10 min, production of zoospores in larvae and their virulence were not hampered at a maximal 8 h exposure of dead larvae to UV-A. Findings suggest that dead larvae and zoosporangia provide a certain protection to zoospores against UV-A and emphasize the susceptibility of free encysted zoospores to such radiation. (C) 2015 Elsevier Inc. All rights reserved.
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