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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha : |
10/09/2020 |
Actualizado : |
01/02/2021 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
GARCÍA, L. F.; NÚÑEZ, E.; LACAVA, M.; SILVA, H.; MARTÍNEZ, S.; PÉTILLON, J. |
Afiliación : |
LUIS FERNANDO GARCÍA, Grupo multidisciplinario en Ecología para la Agricultura, Centro Universitario Regional del Este (CURE), UDELAR, Treinta y Tres; ERIKA NÚÑEZ, PDU - Estudios Interdisciplinarios de Sistemas Territoriales Complejos, CENUR Noreste, Universidad de la República, Rivera Uruguay. Programa para el Desarrollo en Ciencias Básicas (PEDECIBA, UDELAR, Montevideo, Uruguay.; MARIÁNGELES LACAVA, PDU Estudios Interdisciplinarios de Sistemas Territoriales Complejos, CENUR Noreste, UDELAR, Rivera, Uruguay.; HORACIO SILVA, Estación Experimental Mario A. Cassinoni, Facultad de Agronomía, UDELAR, Paysandú, Uruguay.; SEBASTIÁN MARTÍNEZ KOPP, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JULIEN PÉTILLON, UMR CNRS Université de Rennes, Rennes, France. |
Título : |
Experimental assessment of trophic ecology in a generalist spider predator: implications for biocontrol in uruguayan crops. [Original contribution]. |
Fecha de publicación : |
2021 |
Fuente / Imprenta : |
Journal of Applied Entomology, February 2021, Volume145, Issue1-2, p.82-91. Doi: https://doi.org/10.1111/jen.12811 |
ISSN : |
0931-2048 |
DOI : |
doi.org/10.1111/jen.12811 |
Idioma : |
Inglés |
Notas : |
Article history: Received: 22 April 2020; Revised: 15 July 2020; Accepted: 17 July 2020; First published: 05 September 2020. |
Contenido : |
Conservative biological control promotes the use of native natural enemies to limit the size and growth of pest populations. Although spiders constitute one of the most important groups of native predators in several crops, their trophic ecology remains largely unknown, especially for several generalist taxa. In laboratory, we assessed the predatory behaviour of a wandering spider (the wolf spider Lycosa thorelli (Keyserling, 1877) against several arthropods varying in size and trophic positions, all found in South American soybean and rice crops. As prey we used the bug Piezodorus guildinii (Westwood, 1837) as well as larvae and adults of the moth Spodoptera frugiperda (Smith, 1797), both being considered important pests in Uruguayan crops. We also used several non‐pest arthropods as prey, sarcophagid flies, carabid beetles and wolf spiders. All prey were attacked in more or less high, although not statistically differing, proportions. However, carabids were not consumed, and bugs were consumed in significantly lower proportions than flies. A negative correlation was found between prey size and acceptance rate. Immobilization times were longer against larvae when compared to moths and flies, while predatory sequences were longer for bugs when compared to flies, moths and spiders. In addition, we found a positive effect of prey size on predatory sequence length and complexity. Our results confirm the ability of spiders to attack and feed upon prey with different morphologies, included well‐defended arthropods, and their potential use as natural enemies of several pests in South American crops. MenosConservative biological control promotes the use of native natural enemies to limit the size and growth of pest populations. Although spiders constitute one of the most important groups of native predators in several crops, their trophic ecology remains largely unknown, especially for several generalist taxa. In laboratory, we assessed the predatory behaviour of a wandering spider (the wolf spider Lycosa thorelli (Keyserling, 1877) against several arthropods varying in size and trophic positions, all found in South American soybean and rice crops. As prey we used the bug Piezodorus guildinii (Westwood, 1837) as well as larvae and adults of the moth Spodoptera frugiperda (Smith, 1797), both being considered important pests in Uruguayan crops. We also used several non‐pest arthropods as prey, sarcophagid flies, carabid beetles and wolf spiders. All prey were attacked in more or less high, although not statistically differing, proportions. However, carabids were not consumed, and bugs were consumed in significantly lower proportions than flies. A negative correlation was found between prey size and acceptance rate. Immobilization times were longer against larvae when compared to moths and flies, while predatory sequences were longer for bugs when compared to flies, moths and spiders. In addition, we found a positive effect of prey size on predatory sequence length and complexity. Our results confirm the ability of spiders to attack and feed upon prey with different morpho... Presentar Todo |
Palabras claves : |
ARAÑA LOBO; BEHAVIOURAL SEQUENCE; BIOLOGICAL CONTROL; CONDITIONAL PREY ACCEPTANCE; RICE; SOYBEAN; WOLF SPIDER. |
Thesagro : |
ARROZ; CONTROL BIOLÓGICO; SOJA. |
Asunto categoría : |
F01 Cultivo |
Marc : |
LEADER 02792naa a2200337 a 4500 001 1061305 005 2021-02-01 008 2021 bl uuuu u00u1 u #d 022 $a0931-2048 024 7 $adoi.org/10.1111/jen.12811$2DOI 100 1 $aGARCÍA, L. F. 245 $aExperimental assessment of trophic ecology in a generalist spider predator$bimplications for biocontrol in uruguayan crops. [Original contribution].$h[electronic resource] 260 $c2021 500 $aArticle history: Received: 22 April 2020; Revised: 15 July 2020; Accepted: 17 July 2020; First published: 05 September 2020. 520 $aConservative biological control promotes the use of native natural enemies to limit the size and growth of pest populations. Although spiders constitute one of the most important groups of native predators in several crops, their trophic ecology remains largely unknown, especially for several generalist taxa. In laboratory, we assessed the predatory behaviour of a wandering spider (the wolf spider Lycosa thorelli (Keyserling, 1877) against several arthropods varying in size and trophic positions, all found in South American soybean and rice crops. As prey we used the bug Piezodorus guildinii (Westwood, 1837) as well as larvae and adults of the moth Spodoptera frugiperda (Smith, 1797), both being considered important pests in Uruguayan crops. We also used several non‐pest arthropods as prey, sarcophagid flies, carabid beetles and wolf spiders. All prey were attacked in more or less high, although not statistically differing, proportions. However, carabids were not consumed, and bugs were consumed in significantly lower proportions than flies. A negative correlation was found between prey size and acceptance rate. Immobilization times were longer against larvae when compared to moths and flies, while predatory sequences were longer for bugs when compared to flies, moths and spiders. In addition, we found a positive effect of prey size on predatory sequence length and complexity. Our results confirm the ability of spiders to attack and feed upon prey with different morphologies, included well‐defended arthropods, and their potential use as natural enemies of several pests in South American crops. 650 $aARROZ 650 $aCONTROL BIOLÓGICO 650 $aSOJA 653 $aARAÑA LOBO 653 $aBEHAVIOURAL SEQUENCE 653 $aBIOLOGICAL CONTROL 653 $aCONDITIONAL PREY ACCEPTANCE 653 $aRICE 653 $aSOYBEAN 653 $aWOLF SPIDER 700 1 $aNÚÑEZ, E. 700 1 $aLACAVA, M. 700 1 $aSILVA, H. 700 1 $aMARTÍNEZ, S. 700 1 $aPÉTILLON, J. 773 $tJournal of Applied Entomology, February 2021, Volume145, Issue1-2, p.82-91. Doi: https://doi.org/10.1111/jen.12811
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INIA Treinta y Tres (TT) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó; INIA Treinta y Tres. |
Fecha actual : |
21/02/2014 |
Actualizado : |
31/10/2019 |
Tipo de producción científica : |
Boletín de Divulgación |
Autor : |
CARÁMBULA, M.; AYALA, W.; CARRIQUIRY, E.; BERMÚDEZ, R. |
Afiliación : |
RÓMULO MILTON CARÁMBULA CAUNEGRE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; WALTER FELIZARDO AYALA SILVERA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ESTEBAN CARRIQUIRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RAÚL ENRIQUE BERMÚDEZ COQUARD, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Siembra de mejoramientos en cobertura |
Fecha de publicación : |
1994 |
Fuente / Imprenta : |
Montevideo (Uruguay): INIA, 1994. |
Páginas : |
19p |
Serie : |
(INIA Boletín de divulgación; 46) |
ISBN : |
9974-38-015-4 |
ISSN : |
1510-7396 |
Idioma : |
Español |
Palabras claves : |
PASTURA NATURAL. |
Thesagro : |
ABONOS FOSFATADOS; APLICACION DE ABONOS; FECHA DE SIEMBRA; MATERIAL ORGANICO DE COBERTURA; MEJORA DE PASTIZALES; PASTIZAL NATURAL; PLANTAS FORRAJERAS; PRODUCCION DE PIENSOS; SIEMBRA. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/2745/1/111219240807155745.pdf
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Marc : |
LEADER 00821nam a2200301 a 4500 001 1002715 005 2019-10-31 008 1994 bl uuuu u00u1 u #d 020 $a9974-38-015-4 022 $a1510-7396 100 1 $aCARÁMBULA, M. 245 $aSiembra de mejoramientos en cobertura 260 $aMontevideo (Uruguay): INIA$c1994 300 $a19p 490 $a(INIA Boletín de divulgación; 46) 650 $aABONOS FOSFATADOS 650 $aAPLICACION DE ABONOS 650 $aFECHA DE SIEMBRA 650 $aMATERIAL ORGANICO DE COBERTURA 650 $aMEJORA DE PASTIZALES 650 $aPASTIZAL NATURAL 650 $aPLANTAS FORRAJERAS 650 $aPRODUCCION DE PIENSOS 650 $aSIEMBRA 653 $aPASTURA NATURAL 700 1 $aAYALA, W. 700 1 $aCARRIQUIRY, E. 700 1 $aBERMÚDEZ, R.
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