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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
20/11/2015 |
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Actualizado : |
09/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
CAJARVILLE, C.; BRITOS, A.; ERRANDONEA, N.; GUTIÉRREZ, L.; COZZOLINO, D.; REPETTO, J.L. |
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Afiliación : |
DANIEL COZZOLINO GÓMEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Diurnal changes in water-soluble carbohydrate concentration in lucerne and tall fescue in autumn and the effects on in vitro fermentation. |
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Complemento del título : |
Research Article. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
New Zealand Journal of Agricultural Research, 2015, v. 58, no.3, p. 281-291. |
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ISSN : |
0028-8233 (Print) / 1175-8775 (Online) |
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DOI : |
10.1080/00288233.2015.1018391 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 23 January 2014 // Accepted 5 February 2015. |
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Contenido : |
ABSTRACT.
The aim of the experiment was to study diurnal variation in water-soluble carbohydrate (WSC) concentrations in leaf and stem of tall fescue and lucerne in autumn and to determine the impact of these changes on the rate and the extent of in vitro fermentation. Vegetative herbage of lucerne and tall fescue were sampled at 0900, 1300 and 1700 h, following three consecutive regrowths between April and May. Whole plants, leaf and stem were analysed for chemical composition and in vitro gas production. There was a linear increase in WSC throughout the day for all plants and plant components (P < 0.001). In both fescue and lucerne, this rise resulted in an increased rate of gas production, although this relationship was more pronounced in fescue. Use of time of day to govern grazing management decisions to potentially improve the rumen supply of WSC and nitrogen in autumn can be achieved from tall fescue or lucerne pastures.
© 2015 The Royal Society of New Zealand |
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Palabras claves : |
HARVESTING TIME; RUMINAL FERMENTATION; SUGARS. |
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Thesagro : |
FESTUCA ARUNDINACEA; MEDICAGO SATIVA. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 01947naa a2200277 a 4500
001 1053972
005 2019-10-09
008 2015 bl uuuu u00u1 u #d
022 $a0028-8233 (Print) / 1175-8775 (Online)
024 7 $a10.1080/00288233.2015.1018391$2DOI
100 1 $aCAJARVILLE, C.
245 $aDiurnal changes in water-soluble carbohydrate concentration in lucerne and tall fescue in autumn and the effects on in vitro fermentation.$h[electronic resource]
260 $c2015
500 $aArticle history: Received 23 January 2014 // Accepted 5 February 2015.
520 $aABSTRACT. The aim of the experiment was to study diurnal variation in water-soluble carbohydrate (WSC) concentrations in leaf and stem of tall fescue and lucerne in autumn and to determine the impact of these changes on the rate and the extent of in vitro fermentation. Vegetative herbage of lucerne and tall fescue were sampled at 0900, 1300 and 1700 h, following three consecutive regrowths between April and May. Whole plants, leaf and stem were analysed for chemical composition and in vitro gas production. There was a linear increase in WSC throughout the day for all plants and plant components (P < 0.001). In both fescue and lucerne, this rise resulted in an increased rate of gas production, although this relationship was more pronounced in fescue. Use of time of day to govern grazing management decisions to potentially improve the rumen supply of WSC and nitrogen in autumn can be achieved from tall fescue or lucerne pastures. © 2015 The Royal Society of New Zealand
650 $aFESTUCA ARUNDINACEA
650 $aMEDICAGO SATIVA
653 $aHARVESTING TIME
653 $aRUMINAL FERMENTATION
653 $aSUGARS
700 1 $aBRITOS, A.
700 1 $aERRANDONEA, N.
700 1 $aGUTIÉRREZ, L.
700 1 $aCOZZOLINO, D.
700 1 $aREPETTO, J.L.
773 $tNew Zealand Journal of Agricultural Research, 2015$gv. 58, no.3, p. 281-291.
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INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
10/09/2020 |
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Actualizado : |
01/02/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
GARCÍA, L. F.; NÚÑEZ, E.; LACAVA, M.; SILVA, H.; MARTÍNEZ, S.; PÉTILLON, J. |
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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. |
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Título : |
Experimental assessment of trophic ecology in a generalist spider predator: implications for biocontrol in uruguayan crops. [Original contribution]. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Journal of Applied Entomology, February 2021, Volume145, Issue1-2, p.82-91. Doi: https://doi.org/10.1111/jen.12811 |
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ISSN : |
0931-2048 |
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DOI : |
doi.org/10.1111/jen.12811 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received: 22 April 2020; Revised: 15 July 2020; Accepted: 17 July 2020; First published: 05 September 2020. |
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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 |
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Palabras claves : |
ARAÑA LOBO; BEHAVIOURAL SEQUENCE; BIOLOGICAL CONTROL; CONDITIONAL PREY ACCEPTANCE; RICE; SOYBEAN; WOLF SPIDER. |
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Thesagro : |
ARROZ; CONTROL BIOLÓGICO; SOJA. |
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Asunto categoría : |
F01 Cultivo |
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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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