Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition

Autores
Acciaresi, Horacio Abel; Yanniccari, Marcos Ezequiel; Leguizamon, Eduardo Sixto; Guiamet, Juan José
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In an environment involving water deficit and competition, weed species may show inefficient water use. The aim was to determine the water consumption strategy of Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.
Fil: Acciaresi, Horacio Abel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales. Cátedra de Cerealicultura; Argentina
Fil: Yanniccari, Marcos Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
Fil: Leguizamon, Eduardo Sixto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Cs.agrarias. Departamento de Sistema de Prod.vegetal; Argentina
Fil: Guiamet, Juan José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
Materia
Water potential
Relative water content
Relative yield total
Aggressivity
Nivel de accesibilidad
acceso abierto
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Consejo Nacional de Investigaciones Científicas y Técnicas
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network_name_str CONICET Digital (CONICET)
spelling Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competitionAcciaresi, Horacio AbelYanniccari, Marcos EzequielLeguizamon, Eduardo SixtoGuiamet, Juan JoséWater potentialRelative water contentRelative yield totalAggressivityhttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4In an environment involving water deficit and competition, weed species may show inefficient water use. The aim was to determine the water consumption strategy of Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.Fil: Acciaresi, Horacio Abel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales. Cátedra de Cerealicultura; ArgentinaFil: Yanniccari, Marcos Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; ArgentinaFil: Leguizamon, Eduardo Sixto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Cs.agrarias. Departamento de Sistema de Prod.vegetal; ArgentinaFil: Guiamet, Juan José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; ArgentinaAkadémiai Kiadó2012-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/271408Acciaresi, Horacio Abel; Yanniccari, Marcos Ezequiel; Leguizamon, Eduardo Sixto; Guiamet, Juan José; Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition; Akadémiai Kiadó; Acta Agronomica Hungarica; 60; 3; 2-2012; 231-2460238-01611588-2527CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://akjournals.com/view/journals/014/60/3/article-p231.xmlinfo:eu-repo/semantics/altIdentifier/doi/10.1556/AAgr.60.2012.3.6info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:23:26Zoai:ri.conicet.gov.ar:11336/271408instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:23:26.798CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
title Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
spellingShingle Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
Acciaresi, Horacio Abel
Water potential
Relative water content
Relative yield total
Aggressivity
title_short Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
title_full Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
title_fullStr Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
title_full_unstemmed Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
title_sort Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition
dc.creator.none.fl_str_mv Acciaresi, Horacio Abel
Yanniccari, Marcos Ezequiel
Leguizamon, Eduardo Sixto
Guiamet, Juan José
author Acciaresi, Horacio Abel
author_facet Acciaresi, Horacio Abel
Yanniccari, Marcos Ezequiel
Leguizamon, Eduardo Sixto
Guiamet, Juan José
author_role author
author2 Yanniccari, Marcos Ezequiel
Leguizamon, Eduardo Sixto
Guiamet, Juan José
author2_role author
author
author
dc.subject.none.fl_str_mv Water potential
Relative water content
Relative yield total
Aggressivity
topic Water potential
Relative water content
Relative yield total
Aggressivity
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.1
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv In an environment involving water deficit and competition, weed species may show inefficient water use. The aim was to determine the water consumption strategy of Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.
Fil: Acciaresi, Horacio Abel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales. Cátedra de Cerealicultura; Argentina
Fil: Yanniccari, Marcos Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
Fil: Leguizamon, Eduardo Sixto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario; Argentina. Universidad Nacional de Rosario. Facultad de Cs.agrarias. Departamento de Sistema de Prod.vegetal; Argentina
Fil: Guiamet, Juan José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
description In an environment involving water deficit and competition, weed species may show inefficient water use. The aim was to determine the water consumption strategy of Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.Zea mays and Sorghum halepense and the effects of these strategies on crop and weed competitive ability. Under two soil water availability conditions, the soil and leaf water potential (Øl), relative water content (RWC) and leaf gas exchange parameters were measured during the critical period of crop competition in pot experiments where Z. mays and S. halepense were grown alone or in competition. In addition, the relative yield total and aggressivity index of both species were calculated. S. halepense showed continuous absorption of water, reaching a lower Øl than the Z. mays hybrids. S. halepense maintained a RWC of above 90%, which only decreased to 70% in the case of competition for low water supplies. In Z. mays, RWC declined to values of 70% at both water levels. S. halepense exhibited active leaf gas exchange. Z.mays hybrids had lower competitive ability than S. halepense at both competition levels due to their conservative water use strategy. Sustained water use by the weed could be the cause of the increased aggressivity of S. halepense under water deficit conditions.
publishDate 2012
dc.date.none.fl_str_mv 2012-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/271408
Acciaresi, Horacio Abel; Yanniccari, Marcos Ezequiel; Leguizamon, Eduardo Sixto; Guiamet, Juan José; Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition; Akadémiai Kiadó; Acta Agronomica Hungarica; 60; 3; 2-2012; 231-246
0238-0161
1588-2527
CONICET Digital
CONICET
url http://hdl.handle.net/11336/271408
identifier_str_mv Acciaresi, Horacio Abel; Yanniccari, Marcos Ezequiel; Leguizamon, Eduardo Sixto; Guiamet, Juan José; Leaf gas exchange and competitive ability of Zea mays and Sorghum halepense as affected by water competition; Akadémiai Kiadó; Acta Agronomica Hungarica; 60; 3; 2-2012; 231-246
0238-0161
1588-2527
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://akjournals.com/view/journals/014/60/3/article-p231.xml
info:eu-repo/semantics/altIdentifier/doi/10.1556/AAgr.60.2012.3.6
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Akadémiai Kiadó
publisher.none.fl_str_mv Akadémiai Kiadó
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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