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Resumen
Megathyrsus maximus (Gatton panic) is a tropical grass highly valued both for its use as forage and for its biofuel potential. A major constraint in establishing pastures of this cultivar is the low viability and germination of seeds and the poor initial seedling establishment. We used non-thermal plasma (NTP, partially ionised gas) as a novel technology to treat seeds of this grass, aiming to improve their quality (i.e. germination traits). We also
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dc.contributor.author | Pérez Pizá, María Cecilia | |
dc.contributor.author | Clausen, Liliana | |
dc.contributor.author | Cejas, Ezequiel | |
dc.contributor.author | Ferreyra, Matías Germán | |
dc.contributor.author | Chamorro Garcés, Juan Camilo | |
dc.contributor.author | Fina, Brenda Lorena | |
dc.contributor.author | Zilli, Carla Giannina | |
dc.contributor.author | Vallecorsa, Pablo Daniel | |
dc.contributor.author | Prevosto, Leandro | |
dc.contributor.author | Balestrasse, Karina Beatriz | |
dc.date.accessioned | 2022-08-09T13:46:19Z | |
dc.date.available | 2022-08-09T13:46:19Z | |
dc.date.issued | 2022-05-02 | |
dc.identifier.issn | 1836-0947 | |
dc.identifier.issn | 1836-5795 (Online) | |
dc.identifier.other | https://doi.org/10.1071/CP21619 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/12538 | |
dc.identifier.uri | https://www.publish.csiro.au/cp/CP21619 | |
dc.description.abstract | Megathyrsus maximus (Gatton panic) is a tropical grass highly valued both for its use as forage and for its biofuel potential. A major constraint in establishing pastures of this cultivar is the low viability and germination of seeds and the poor initial seedling establishment. We used non-thermal plasma (NTP, partially ionised gas) as a novel technology to treat seeds of this grass, aiming to improve their quality (i.e. germination traits). We also followed the performance of seedlings grown from NTP-treated seeds under field conditions by assessing seedling establishment, biomass production and forage quality during the first regrowth period, which is the critical period for pasture establishment. Two NTP treatments were performed through dielectric barrier discharges employing N2 as carrier gas. Non-treated seeds served as the control. Results showed that the viability of NTP-treated seeds was, on average, 1.5-fold higher than the control, and that germination energy and germination percentage of treated seeds was superior to the control by 2.1-fold and 2.2-fold, respectively. A field experiment showed that seedling establishment parameters (dynamics of cumulative emergence, emergence coefficient, and weighted average emergence rate) and pasture early productivity (represented by shoot dry matter) were enhanced by NTP treatment (phenolic sheet–polyester film barrier and 3 min exposure), showing 1.4–2.6-fold higher values than the control, confirming the results of the laboratory assays. Although NTP markedly increased the shoot dry matter production of the pasture, which was related to higher tiller population density and greater tiller weight, it did not affect the forage quality of the plants grown in the field. We conclude that NTP technology is suitable to improve seed germination of Gatton panic, in turn leading to improvements in seedling establishment and biomass production under field conditions without compromising forage quality. | es_AR |
dc.format | application/pdf | eng |
dc.language.iso | eng | es_AR |
dc.publisher | CSIRO Publishing | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | eng |
dc.source | Crop & Pasture Science (Published online: 2 May 2022) | eng |
dc.subject | Panicum Maximum | es_AR |
dc.subject | Germinación de las Semillas | es_AR |
dc.subject | Seed Germination | eng |
dc.subject | Productividad | es_AR |
dc.subject | Productivity | eng |
dc.subject | Calidad de las Semillas | es_AR |
dc.subject | Seed Quality | eng |
dc.subject | Plant Establishment | eng |
dc.subject | Establecimiento de Plantas | es_AR |
dc.subject | Rendimiento | es_AR |
dc.subject | Yields | eng |
dc.subject | Pastizales | es_AR |
dc.subject | Pastures | eng |
dc.subject.other | Megathyrsus Maximus | es_AR |
dc.subject.other | Plasmas No Térmicos | es_AR |
dc.subject.other | Non-Thermal Plasmas | eng |
dc.subject.other | Pasto Gatton Panic | es_AR |
dc.title | Non-thermal plasma application improves germination, establishment and productivity of Gatton panic grass (Megathyrsus maximus) without compromising forage quality | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | eng |
dc.type | info:eu-repo/semantics/publishedVersion | eng |
dc.description.origen | EEA Quimilí | es_AR |
dc.description.fil | Fil: Pérez Pizá, María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA); Argentina | es_AR |
dc.description.fil | Fil: Pérez Pizá, María Cecilia. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA); Argentina | es_AR |
dc.description.fil | Fil: Clausen, Liliana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Quimilí; Argentina | es_AR |
dc.description.fil | Fil: Cejas, Ezequiel. Universidad Tecnológica Nacional. Facultad Regional San Francisco. Departamento de Ingeniería Electromecánica. Grupo de Descargas Eléctricas; Argentina | es_AR |
dc.description.fil | Fil: Cejas, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina | es_AR |
dc.description.fil | Fil: . Universidad Tecnológica Nacional. Facultad Regional San Francisco. Departamento de Ingeniería Electromecánica. Grupo de Descargas Eléctricas; Argentina | es_AR |
dc.description.fil | Fil: Ferreyra, Matías Germán. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina | es_AR |
dc.description.fil | Fil: Chamorro Garcés, Juan Camilo. Universidad Tecnológica Nacional. Facultad Regional San Francisco. Departamento de Ingeniería Electromecánica. Grupo de Descargas Eléctricas; Argentina | es_AR |
dc.description.fil | Fil: Chamorro Garcés, Juan Camilo. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina | es_AR |
dc.description.fil | Fil: Fina, Brenda Lorena. Universidad Tecnológica Nacional. Facultad Regional San Francisco. Departamento de Ingeniería Electromecánica. Grupo de Descargas Eléctricas; Argentina | es_AR |
dc.description.fil | Fil: Fina, Brenda Lorena. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina | es_AR |
dc.description.fil | Fil: Zilli, Carla Giannina. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Zilli, Carla Giannina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Vallecorsa, Pablo Daniel. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Vallecorsa, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Prevosto, Leandro. Universidad Tecnológica Nacional. Facultad Regional San Francisco. Departamento de Ingeniería Electromecánica. Grupo de Descargas Eléctricas; Argentina | es_AR |
dc.description.fil | Fil: Prevosto, Leandro. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina | es_AR |
dc.description.fil | Fil: Balestrasse, Karina Beatriz. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina | es_AR |
dc.description.fil | Fil: Balestrasse, Karina Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales. Universidad de Buenos Aires; Argentina | es_AR |
dc.subtype | cientifico |
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