Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies
In some temperate climate regions, co-cultivation of warm- and cool-season perennial grass species represents a promising alternative for sustainable food production. However, managing these pastures is challenging, particularly because of intra-annual competition, which can lead to some species sup...
| Autores principales: | , , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Wiley
2025
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/21426 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21427 https://doi.org/10.1002/csc2.21427 |
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| author | Winter, Fábio L. Pittaro, Gabriela Schmitt, Daniel Moncada, Valentina Y.M. Mello, Guilherme R. de Miqueloto, Tiago Bernardon, Angela Barreta, Daniel A. Garzón Camacho, Pedro A. Sbrissia, André F. |
| author_browse | Barreta, Daniel A. Bernardon, Angela Garzón Camacho, Pedro A. Mello, Guilherme R. de Miqueloto, Tiago Moncada, Valentina Y.M. Pittaro, Gabriela Sbrissia, André F. Schmitt, Daniel Winter, Fábio L. |
| author_facet | Winter, Fábio L. Pittaro, Gabriela Schmitt, Daniel Moncada, Valentina Y.M. Mello, Guilherme R. de Miqueloto, Tiago Bernardon, Angela Barreta, Daniel A. Garzón Camacho, Pedro A. Sbrissia, André F. |
| author_sort | Winter, Fábio L. |
| collection | INTA Digital |
| description | In some temperate climate regions, co-cultivation of warm- and cool-season perennial grass species represents a promising alternative for sustainable food production. However, managing these pastures is challenging, particularly because of intra-annual competition, which can lead to some species suppressing others. This 3-year study investigated the effects of different defoliation strategies on mixed pastures composed of tall fescue (Schedonorus arundinaceum Schreb; Tf) and kikuyugrass (Cenchrus clandestinus Hochst. ex Chiov; Ky). Treatments were factorial combinations (two × two) of pre-grazing canopy heights (15 and 20 cm) and the presence or absence of a single clean-up grazing event during the spring (SCG). Pre-grazing canopy height and SCG significantly influenced annual forage accumulation (p < 0.05), but there was no interaction between them (p > 0.05). Swards managed at 20 cm or subjected to SCG presented a 10% greater forage production (approximately 15,432 kg DM ha−1) than those managed at 15 cm or without SCG (14,067 kg DM ha−1). All the treatments presented higher intra- and inter-annual stability in forage production (<30% coefficient of variation). The greater annual forage accumulation was mostly attributed to increments in Tf leaf area index and Ky tiller population density over the seasons. Our study demonstrated that in a mixed sward of warm- and cool-season perennial grasses, both the pre-grazing canopy height and the presence of an SCG influence year-round forage production by changing their canopy attributes. |
| format | Artículo |
| id | INTA21426 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | INTA214262025-02-24T14:59:12Z Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies Winter, Fábio L. Pittaro, Gabriela Schmitt, Daniel Moncada, Valentina Y.M. Mello, Guilherme R. de Miqueloto, Tiago Bernardon, Angela Barreta, Daniel A. Garzón Camacho, Pedro A. Sbrissia, André F. Festuca arundinacea Forage Production Pennisetum clandestinum Defoliation Forrajes Producción Defoliación Festuca Alta Pasto Kikuyo Tall Fescue Kikuyu Grass In some temperate climate regions, co-cultivation of warm- and cool-season perennial grass species represents a promising alternative for sustainable food production. However, managing these pastures is challenging, particularly because of intra-annual competition, which can lead to some species suppressing others. This 3-year study investigated the effects of different defoliation strategies on mixed pastures composed of tall fescue (Schedonorus arundinaceum Schreb; Tf) and kikuyugrass (Cenchrus clandestinus Hochst. ex Chiov; Ky). Treatments were factorial combinations (two × two) of pre-grazing canopy heights (15 and 20 cm) and the presence or absence of a single clean-up grazing event during the spring (SCG). Pre-grazing canopy height and SCG significantly influenced annual forage accumulation (p < 0.05), but there was no interaction between them (p > 0.05). Swards managed at 20 cm or subjected to SCG presented a 10% greater forage production (approximately 15,432 kg DM ha−1) than those managed at 15 cm or without SCG (14,067 kg DM ha−1). All the treatments presented higher intra- and inter-annual stability in forage production (<30% coefficient of variation). The greater annual forage accumulation was mostly attributed to increments in Tf leaf area index and Ky tiller population density over the seasons. Our study demonstrated that in a mixed sward of warm- and cool-season perennial grasses, both the pre-grazing canopy height and the presence of an SCG influence year-round forage production by changing their canopy attributes. Instituto de Fisiología y Recursos Genéticos Vegetales Fil: Winter, Fábio L. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Pittaro, Gabriela. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Fisiología y Recursos Genéticos Vegetales; Argentina Fil: Pittaro, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Estudios Agropecuarios (UDEA); Argentina Fil: Schmitt, Daniel. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Moncada, Valentina Y.M. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Mello, Guilherme R. de. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Miqueloto, Tiago. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Bernardon, Angela. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Barreta, Daniel A. Xanxerê. Departamento de Zootecnia (Santa Catarina); Brasil Fil: Garzón Camacho, Pedro A. Santa Catarina State University. Department of Food and Animal Production; Brasil Fil: Sbrissia, André F. Santa Catarina State University. Department of Food and Animal Production; Brasil 2025-02-24T14:54:28Z 2025-02-24T14:54:28Z 2025-02 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/21426 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21427 0011-183X 1435-0653 https://doi.org/10.1002/csc2.21427 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Wiley Crop Science 65 (1) : e21427. (January/February 2025) |
| spellingShingle | Festuca arundinacea Forage Production Pennisetum clandestinum Defoliation Forrajes Producción Defoliación Festuca Alta Pasto Kikuyo Tall Fescue Kikuyu Grass Winter, Fábio L. Pittaro, Gabriela Schmitt, Daniel Moncada, Valentina Y.M. Mello, Guilherme R. de Miqueloto, Tiago Bernardon, Angela Barreta, Daniel A. Garzón Camacho, Pedro A. Sbrissia, André F. Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title | Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title_full | Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title_fullStr | Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title_full_unstemmed | Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title_short | Forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| title_sort | forage production in tall fescue and kikuyugrass mixed swards subjected to different defoliation strategies |
| topic | Festuca arundinacea Forage Production Pennisetum clandestinum Defoliation Forrajes Producción Defoliación Festuca Alta Pasto Kikuyo Tall Fescue Kikuyu Grass |
| url | http://hdl.handle.net/20.500.12123/21426 https://acsess.onlinelibrary.wiley.com/doi/10.1002/csc2.21427 https://doi.org/10.1002/csc2.21427 |
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