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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
11/02/2025 |
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Actualizado : |
11/02/2025 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
GARCIA, S.; PEZZANI, F.; GUIDO, A.; LATTANZI, F. |
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Afiliación : |
SILVINA GARCÍA, Ecología, Departamento de Sistemas Ambientales, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay; FABIANA PEZZANI, Ecología, Departamento de Sistemas Ambientales, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay; ANACLARA GUIDO, Grupo Ecología de Pastizales, Instituto de Ecología y Ciencias Ambientales, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay; FERNANDO A. LATTANZI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Degradation of arbuscular mycorrhizal symbiosis: A mechanism underlying Cynodon dactylon invasion in grasslands? |
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Complemento del título : |
Special Issue: Invasions in Plant Communities. |
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Fecha de publicación : |
2025 |
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Fuente / Imprenta : |
Journal of Vegetation Science, January/February 2025, Volume 36, Issue 1, e70010. https://doi.org/10.1111/jvs.70010 |
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ISSN : |
1100-9233; eISSN 1654-1103 |
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DOI : |
10.1111/jvs.70010 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 9 March 2024, Revised 23 November 2024, Accepted 27 November 2024, Online 17 January 2025. -- Corresponding author: García, S.; Ecología, Departamento de Sistemas Ambientales, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay; email:sgarciae@fagro.edu.uy --
Co-ordinating Editor: Dr. Viktoria Wagner. -- Funding: This research was funded by Facultad de Agronomía, UdelaR (DT Fabiana Pezzani) the Instituto Nacional de Investigación Agropecuaria (INIA) and the Comisión Sectorial de Investigación Científica (UdelaR-CSIC). Silvina García received a doctoral fellowship from the Comisión Académica de Posgrado (CAP-UdelaR). FAL was supported by ANII (FSA_PI_2018_1_148653). -- This article is a part of the Special Issue Biological Invasions in Plant Communities, edited by Viktoria Wagner, Marta Carboni, Kwek Yan Chong, Milan Chytrý and Anaclara Guido. Publisher: John Wiley and Sons Inc. -- |
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Contenido : |
ABSTRACT.- Questions: Degradation of facilitative interactions of native species can play an important role in the establishment and expansion of invasive plants in communities. We evaluated the relationship between the level of invasion of Cynodon dactylon and the arbuscular mycorrhizal colonization of the native Paspalum notatum in Uruguayan grasslands, which were either extensively managed (natural vegetation [NG]) or oversown with exotic legumes and fertilized with phosphorus (NG + LP). Specifically, we investigated whether increasing invasion levels were associated with reductions in P. notatum mycorrhizal colonization, growth, and nutrient content. Location: Uruguayan grasslands of Río de la Plata grasslands region. © 2025 International Association for Vegetation Science. |
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Palabras claves : |
Arbuscular mycorrhizae; ÁREA DE PASTURAS Y FORRAJES - INIA; Bermudagrass; Biological invasions; Cynodon dactylon; Mutualism degradation; Nutrient availability; Paspalum notatum; Río de la Plata grasslands. |
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Asunto categoría : |
F01 Cultivo |
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Marc : |
LEADER 02740naa a2200301 a 4500
001 1065048
005 2025-02-11
008 2025 bl uuuu u00u1 u #d
022 $a1100-9233; eISSN 1654-1103
024 7 $a10.1111/jvs.70010$2DOI
100 1 $aGARCIA, S.
245 $aDegradation of arbuscular mycorrhizal symbiosis$bA mechanism underlying Cynodon dactylon invasion in grasslands?$h[electronic resource]
260 $c2025
500 $aArticle history: Received 9 March 2024, Revised 23 November 2024, Accepted 27 November 2024, Online 17 January 2025. -- Corresponding author: García, S.; Ecología, Departamento de Sistemas Ambientales, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay; email:sgarciae@fagro.edu.uy -- Co-ordinating Editor: Dr. Viktoria Wagner. -- Funding: This research was funded by Facultad de Agronomía, UdelaR (DT Fabiana Pezzani) the Instituto Nacional de Investigación Agropecuaria (INIA) and the Comisión Sectorial de Investigación Científica (UdelaR-CSIC). Silvina García received a doctoral fellowship from the Comisión Académica de Posgrado (CAP-UdelaR). FAL was supported by ANII (FSA_PI_2018_1_148653). -- This article is a part of the Special Issue Biological Invasions in Plant Communities, edited by Viktoria Wagner, Marta Carboni, Kwek Yan Chong, Milan Chytrý and Anaclara Guido. Publisher: John Wiley and Sons Inc. --
520 $aABSTRACT.- Questions: Degradation of facilitative interactions of native species can play an important role in the establishment and expansion of invasive plants in communities. We evaluated the relationship between the level of invasion of Cynodon dactylon and the arbuscular mycorrhizal colonization of the native Paspalum notatum in Uruguayan grasslands, which were either extensively managed (natural vegetation [NG]) or oversown with exotic legumes and fertilized with phosphorus (NG + LP). Specifically, we investigated whether increasing invasion levels were associated with reductions in P. notatum mycorrhizal colonization, growth, and nutrient content. Location: Uruguayan grasslands of Río de la Plata grasslands region. © 2025 International Association for Vegetation Science.
653 $aArbuscular mycorrhizae
653 $aÁREA DE PASTURAS Y FORRAJES - INIA
653 $aBermudagrass
653 $aBiological invasions
653 $aCynodon dactylon
653 $aMutualism degradation
653 $aNutrient availability
653 $aPaspalum notatum
653 $aRío de la Plata grasslands
700 1 $aPEZZANI, F.
700 1 $aGUIDO, A.
700 1 $aLATTANZI, F.
773 $tJournal of Vegetation Science, January/February 2025, Volume 36, Issue 1, e70010. https://doi.org/10.1111/jvs.70010
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INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
21/05/2020 |
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Actualizado : |
10/03/2021 |
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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 : |
QUIÑONES, A.; LATTANZI, F.; SALDAIN, N.E.; LEZAMA, F. |
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Afiliación : |
AMPARO QUIÑONES DELLEPIANE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FERNANDO A. LATTANZI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; NÉSTOR ELIO SALDAIN CROCCE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FELIPE LEZAMA, Facultad de Agronomía, UDELAR, UY. |
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Título : |
Weed control in natural grasslands: A case study using a perennial native forb from the South American Campos. |
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Fecha de publicación : |
2020 |
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Fuente / Imprenta : |
Austral Ecology, November 2020, vol 45 (7), p. 909-920. Doi:https://doi.org/10.1111/aec.12904 |
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DOI : |
10.1111/aec.12904 |
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Idioma : |
Inglés |
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Notas : |
Article history: Accepted for publication April 2020. Published November 2020. |
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Contenido : |
Abstract
Management of native weeds in natural grasslands is a challenging task. Often, recommendations are based on short?term studies of the response of weed cover and density to different control methods. However, perennial species well adapted to disturbances typically recover from commonly used control techniques. In this long?term study, we focused on a rosette native to the South American Campos : Eryngium horridum Malme (Apiaceae). This plant is strongly avoided by cattle due to its spiny leaves and tends to form dense patches, reducing the available grazing area. We aimed at understanding how key demographic processes, such as size?related plant survival and seedling establishment, are affected by different control treatments. For this, E. horridum cover, density and size structure were assessed over three years in response to mechanical, chemical and integrated (mechanical + chemical) control methods. In a field experiment, we used a weighted rim and a wiper applicator with 2,4?D + picloram for the mechanical and chemical control, respectively. Cover was reduced by control treatments (?control phase?), but this was not sustained in the long term (?recovery phase?). Regardless of the method used, control success was closely related to effects on population size structure. Mortality was high and rapid in large rosettes, which effectively led to a rapid and widespread cover reduction in all control treatments. However, only herbicide reduced rosette density delaying the recovery phase. Seedling density was low during the experimental period and scarcely affected by treatments. We conclude that cover reduction depends on removing all large rosettes, but recovery is related both to the size of the remaining pool of small rosettes and to the ability of buried rhizomes to resprout. Finally, we highlight the importance of finding a balance between productive goals and biodiversity conservation. In that context, integrated control successfully reduced cover, delayed recovery and minimised the amount of herbicide used. MenosAbstract
Management of native weeds in natural grasslands is a challenging task. Often, recommendations are based on short?term studies of the response of weed cover and density to different control methods. However, perennial species well adapted to disturbances typically recover from commonly used control techniques. In this long?term study, we focused on a rosette native to the South American Campos : Eryngium horridum Malme (Apiaceae). This plant is strongly avoided by cattle due to its spiny leaves and tends to form dense patches, reducing the available grazing area. We aimed at understanding how key demographic processes, such as size?related plant survival and seedling establishment, are affected by different control treatments. For this, E. horridum cover, density and size structure were assessed over three years in response to mechanical, chemical and integrated (mechanical + chemical) control methods. In a field experiment, we used a weighted rim and a wiper applicator with 2,4?D + picloram for the mechanical and chemical control, respectively. Cover was reduced by control treatments (?control phase?), but this was not sustained in the long term (?recovery phase?). Regardless of the method used, control success was closely related to effects on population size structure. Mortality was high and rapid in large rosettes, which effectively led to a rapid and widespread cover reduction in all control treatments. However, only herbicide reduced rosette density delaying t... Presentar Todo |
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Palabras claves : |
DEMOGRAPHY; ESPECIES INDESEABLES; GRASSLAND; RIO DE LA PLATA GRASSLANDS; UNDESIRABLE SPECIES; URUGUAY. |
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Thesagro : |
CONTROL DE MALEZAS; FORRAJES; PASTURAS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 03002naa a2200289 a 4500
001 1061066
005 2021-03-10
008 2020 bl uuuu u00u1 u #d
024 7 $a10.1111/aec.12904$2DOI
100 1 $aQUIÑONES, A.
245 $aWeed control in natural grasslands$bA case study using a perennial native forb from the South American Campos.$h[electronic resource]
260 $c2020
500 $aArticle history: Accepted for publication April 2020. Published November 2020.
520 $aAbstract Management of native weeds in natural grasslands is a challenging task. Often, recommendations are based on short?term studies of the response of weed cover and density to different control methods. However, perennial species well adapted to disturbances typically recover from commonly used control techniques. In this long?term study, we focused on a rosette native to the South American Campos : Eryngium horridum Malme (Apiaceae). This plant is strongly avoided by cattle due to its spiny leaves and tends to form dense patches, reducing the available grazing area. We aimed at understanding how key demographic processes, such as size?related plant survival and seedling establishment, are affected by different control treatments. For this, E. horridum cover, density and size structure were assessed over three years in response to mechanical, chemical and integrated (mechanical + chemical) control methods. In a field experiment, we used a weighted rim and a wiper applicator with 2,4?D + picloram for the mechanical and chemical control, respectively. Cover was reduced by control treatments (?control phase?), but this was not sustained in the long term (?recovery phase?). Regardless of the method used, control success was closely related to effects on population size structure. Mortality was high and rapid in large rosettes, which effectively led to a rapid and widespread cover reduction in all control treatments. However, only herbicide reduced rosette density delaying the recovery phase. Seedling density was low during the experimental period and scarcely affected by treatments. We conclude that cover reduction depends on removing all large rosettes, but recovery is related both to the size of the remaining pool of small rosettes and to the ability of buried rhizomes to resprout. Finally, we highlight the importance of finding a balance between productive goals and biodiversity conservation. In that context, integrated control successfully reduced cover, delayed recovery and minimised the amount of herbicide used.
650 $aCONTROL DE MALEZAS
650 $aFORRAJES
650 $aPASTURAS
653 $aDEMOGRAPHY
653 $aESPECIES INDESEABLES
653 $aGRASSLAND
653 $aRIO DE LA PLATA GRASSLANDS
653 $aUNDESIRABLE SPECIES
653 $aURUGUAY
700 1 $aLATTANZI, F.
700 1 $aSALDAIN, N.E.
700 1 $aLEZAMA, F.
773 $tAustral Ecology, November 2020, vol 45 (7), p. 909-920. Doi:https://doi.org/10.1111/aec.12904
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