Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile

The non-target effects of biological control are a complex matter requiring a multi-approach analysis. A fungal biopesticide is under research to control the larval stages of the ghost moth Dalaca pallens Blanchard (Lepidoptera: Hepialidae) in southern Chile. A field experiment was conducted to comp...

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Autores principales:	Devotto,Luis, Cisternas,Ernesto, Carrillo,Roberto, Gerding,Marcos
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2008
Materias:	ghost moth entomopathogen biopesticide Lepidoptera Hepialidae
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392008000300002
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spelling	oai:scielo:S0718-583920080003000022018-10-01Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern ChileDevotto,LuisCisternas,ErnestoCarrillo,RobertoGerding,Marcos ghost moth entomopathogen biopesticide Lepidoptera Hepialidae The non-target effects of biological control are a complex matter requiring a multi-approach analysis. A fungal biopesticide is under research to control the larval stages of the ghost moth Dalaca pallens Blanchard (Lepidoptera: Hepialidae) in southern Chile. A field experiment was conducted to compare the effects of the biological control agent Beauveria bassiana (Balsamo) Vuillemin (10(12) spores ha-1) and the insecticide lambda-cyhalothrin (7.5 g active ingredient ha-1) on non-target invertebrate species belonging to different guilds. The soil invertebrates were collected by using pitfall trapping and soil coring before and after spraying the biocontrol agent or the insecticide. Caught individuals were assigned to predator, herbivore or decomposer guilds and then a relatively new multivariate technique called principal response curves (PRC) was adopted to track the potential treatment effects over time in the abundance or activity of the non-target guilds. The products targeting D. pallens caused different effects on guilds: lambda-cyhalothrin decreased the activity-density of the predator guild but not herbivore or decomposer guilds, while the biological control agent caused no reduction in the activity-density of the three examined guilds. The negative effects of the insecticide were present from 1 to 60 days after treatment.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.68 n.3 20082008-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392008000300002en10.4067/S0718-58392008000300002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	ghost moth entomopathogen biopesticide Lepidoptera Hepialidae
spellingShingle	ghost moth entomopathogen biopesticide Lepidoptera Hepialidae Devotto,Luis Cisternas,Ernesto Carrillo,Roberto Gerding,Marcos Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
description	The non-target effects of biological control are a complex matter requiring a multi-approach analysis. A fungal biopesticide is under research to control the larval stages of the ghost moth Dalaca pallens Blanchard (Lepidoptera: Hepialidae) in southern Chile. A field experiment was conducted to compare the effects of the biological control agent Beauveria bassiana (Balsamo) Vuillemin (10(12) spores ha-1) and the insecticide lambda-cyhalothrin (7.5 g active ingredient ha-1) on non-target invertebrate species belonging to different guilds. The soil invertebrates were collected by using pitfall trapping and soil coring before and after spraying the biocontrol agent or the insecticide. Caught individuals were assigned to predator, herbivore or decomposer guilds and then a relatively new multivariate technique called principal response curves (PRC) was adopted to track the potential treatment effects over time in the abundance or activity of the non-target guilds. The products targeting D. pallens caused different effects on guilds: lambda-cyhalothrin decreased the activity-density of the predator guild but not herbivore or decomposer guilds, while the biological control agent caused no reduction in the activity-density of the three examined guilds. The negative effects of the insecticide were present from 1 to 60 days after treatment.
author	Devotto,Luis Cisternas,Ernesto Carrillo,Roberto Gerding,Marcos
author_facet	Devotto,Luis Cisternas,Ernesto Carrillo,Roberto Gerding,Marcos
author_sort	Devotto,Luis
title	Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
title_short	Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
title_full	Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
title_fullStr	Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
title_full_unstemmed	Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile
title_sort	non-target effects of dalaca pallens blanchard control examined through principal response curves: a guild approach in southern chile
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392008000300002
work_keys_str_mv	AT devottoluis nontargeteffectsofdalacapallensblanchardcontrolexaminedthroughprincipalresponsecurvesaguildapproachinsouthernchile AT cisternasernesto nontargeteffectsofdalacapallensblanchardcontrolexaminedthroughprincipalresponsecurvesaguildapproachinsouthernchile AT carrilloroberto nontargeteffectsofdalacapallensblanchardcontrolexaminedthroughprincipalresponsecurvesaguildapproachinsouthernchile AT gerdingmarcos nontargeteffectsofdalacapallensblanchardcontrolexaminedthroughprincipalresponsecurvesaguildapproachinsouthernchile
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Non-Target Effects of Dalaca pallens Blanchard Control Examined Through Principal Response Curves: A Guild Approach in Southern Chile

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