Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels

Biological control techniques are commonly used in many horticultural crops in Spain, however the application of these techniques to Spanish strawberries are relatively recent. In this study the effectiveness of augmentative biological control techniques to control the two main strawberry (Fragaria...

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Autores principales:	Albendín,Gemma, Del Castillo García,María, Molina,José María
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2015
Materias:	Biological control combined releases Fragariaxananassa Frankliniella occidentalis Orius laevigatus Phytoseiids Tetranychus urticae
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000100009
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spelling	oai:scielo:S0718-583920150001000092018-10-01Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnelsAlbendín,GemmaDel Castillo García,MaríaMolina,José María Biological control combined releases Fragariaxananassa Frankliniella occidentalis Orius laevigatus Phytoseiids Tetranychus urticae Biological control techniques are commonly used in many horticultural crops in Spain, however the application of these techniques to Spanish strawberries are relatively recent. In this study the effectiveness of augmentative biological control techniques to control the two main strawberry (Fragaria xananassa Duchesne) pest: the two-spotted spider mite (TSSM), Tetranychus urticae Koch (Acari: Tetranychidae), and the western flower thrips (WFT), Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), through releases of the predatory mites Phytoseiulus persimilis Athias-Henriot, Neoseiulus californicus (McGregor), Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae), and Orius laevigatus (Fieber) (Heteroptera: Anthocoridae) were tested. Two-year results on the performance of treatments using combinations of these biocontrol agents are presented. In both years, all treatments resulted in the reduction of TSSM numbers; but no treatment was better than the release of P. persimilis alone (P < 0.05). TSSM suppression varied among crop phases being greater early in the season. None of the treatments reduced significantly WFT numbers (P < 0.05), and the established economic injury level (EIL) was surpassed from March to late April in both years. However, EIL was surpassed less times when treatment included O. laevigatus (2009: 20.7%; 2010: 22.7% of samples). No effect of A. swirskii was observed when this mite was released. Results corroborate that biological control techniques for TSSM and WFT are feasible for high-plastic tunnel strawberries. Under the conditions in our study no additive effects were observed, and there was not advantage in the release of multiple natural enemies.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.75 n.1 20152015-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000100009en10.4067/S0718-58392015000100009
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Biological control combined releases Fragariaxananassa Frankliniella occidentalis Orius laevigatus Phytoseiids Tetranychus urticae
spellingShingle	Biological control combined releases Fragariaxananassa Frankliniella occidentalis Orius laevigatus Phytoseiids Tetranychus urticae Albendín,Gemma Del Castillo García,María Molina,José María Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
description	Biological control techniques are commonly used in many horticultural crops in Spain, however the application of these techniques to Spanish strawberries are relatively recent. In this study the effectiveness of augmentative biological control techniques to control the two main strawberry (Fragaria xananassa Duchesne) pest: the two-spotted spider mite (TSSM), Tetranychus urticae Koch (Acari: Tetranychidae), and the western flower thrips (WFT), Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), through releases of the predatory mites Phytoseiulus persimilis Athias-Henriot, Neoseiulus californicus (McGregor), Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae), and Orius laevigatus (Fieber) (Heteroptera: Anthocoridae) were tested. Two-year results on the performance of treatments using combinations of these biocontrol agents are presented. In both years, all treatments resulted in the reduction of TSSM numbers; but no treatment was better than the release of P. persimilis alone (P < 0.05). TSSM suppression varied among crop phases being greater early in the season. None of the treatments reduced significantly WFT numbers (P < 0.05), and the established economic injury level (EIL) was surpassed from March to late April in both years. However, EIL was surpassed less times when treatment included O. laevigatus (2009: 20.7%; 2010: 22.7% of samples). No effect of A. swirskii was observed when this mite was released. Results corroborate that biological control techniques for TSSM and WFT are feasible for high-plastic tunnel strawberries. Under the conditions in our study no additive effects were observed, and there was not advantage in the release of multiple natural enemies.
author	Albendín,Gemma Del Castillo García,María Molina,José María
author_facet	Albendín,Gemma Del Castillo García,María Molina,José María
author_sort	Albendín,Gemma
title	Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
title_short	Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
title_full	Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
title_fullStr	Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
title_full_unstemmed	Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
title_sort	múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392015000100009
work_keys_str_mv	AT albendingemma multiplenaturalenemiesdonotimprovetwospottedspidermiteandflowerwesternthripscontrolinstrawberrytunnels AT delcastillogarciamaria multiplenaturalenemiesdonotimprovetwospottedspidermiteandflowerwesternthripscontrolinstrawberrytunnels AT molinajosemaria multiplenaturalenemiesdonotimprovetwospottedspidermiteandflowerwesternthripscontrolinstrawberrytunnels
_version_	1714205343535333376

Múltiple natural enemies do not improve two spotted spider mite and flower western thrips control in strawberry tunnels

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