Addition of alarm pheromone to insecticides and the possible improvement of the control of the western flower thrips, Frankliniella occidentalis Pergande (Thysanoptera: Thripidae)

Autor:	W. J. Bailey, Ian R. Dadour, David F. Cook
Rok vydání:	2002
Předmět:	Larva biology Thrips Thripidae biology.organism_classification Western flower thrips Toxicology chemistry.chemical_compound chemistry Dodecyl acetate Insect Science Botany Malathion PEST analysis Agronomy and Crop Science Fipronil
Zdroj:	International Journal of Pest Management. 48:287-290
ISSN:	1366-5863 0967-0874
DOI:	10.1080/09670870210149826
Popis:	This study represents the first attempt to improve insecticide contact using the dodecyl acetate component of the alarm pheromone of the western flower thrips ( Frankliniella occidentalis Pergande ). Dodecyl acetate dissolved in ethanol was added to both fipronil and maldison and used in three spray applications (7 days apart) against field infestations of F. occidentalis on strawberries in two separate trials. Fipronil alone was highly effective against larvae and to a lesser extent against adults; however, the addition of dodecyl acetate did not significantly enhance thrips mortality. Although maldison was significantly less effective against adults and larvae, the larval mortality rate was significantly increased with the addition of dodecyl acetate. In one trial, dodecyl acetate applied on its own caused a significant reduction in larval numbers. Frequent insecticide applications are recommended for control of F. occidentalis in Australia because of the short-term effectiveness of most insecticides. T...
Databáze:	OpenAIRE
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