Control de preemergencia de malezas del maíz en Trinidad

Control de preemergencia de malezas del maíz en Trinidad

Response of weeds and rinfed corn (Zea mays L cv. Pioneer hybrid X306) to single and combined preemergence treatments of atrazine and either alachlor or prynachlor was evaluated over a 3-year period on clay loam soils near St. Augustine, Trinidad. All herbicide treatments reduced weed growth during...

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Detalles Bibliográficos
Autor principal: Brathwaite, R.A.I
Formato: Artículo
Lenguaje:Inglés
Publicado: Instituto Interamericano de Cooperación para la Agricultura (IICA) 2023
Materias:
Zea mays||Zea mays||Zea mays||Zea mays
Maíz||maize||milho||maïs
Herbicidas||herbicides||herbicida||herbicide
Insumos agricolas||farm inputs||input agrícola||moyen de production agricole
Rendimiento de cultivos||crop yield||rendimento de cultura||rendement des cultures
Trinidad y Tobago
Sede Central
Acceso en línea:https://repositorio.catie.ac.cr/handle/11554/12314
id RepoCATIE12314
record_format dspace
spelling RepoCATIE123142023-10-27T18:34:10Z Control de preemergencia de malezas del maíz en Trinidad Pre-emergence weed control in corn [Zea mays] in Trinidad Brathwaite, R.A.I Zea mays||Zea mays||Zea mays||Zea mays Maíz||maize||milho||maïs Herbicidas||herbicides||herbicida||herbicide Insumos agricolas||farm inputs||input agrícola||moyen de production agricole Rendimiento de cultivos||crop yield||rendimento de cultura||rendement des cultures Trinidad y Tobago Sede Central Response of weeds and rinfed corn (Zea mays L cv. Pioneer hybrid X306) to single and combined preemergence treatments of atrazine and either alachlor or prynachlor was evaluated over a 3-year period on clay loam soils near St. Augustine, Trinidad. All herbicide treatments reduced weed growth during the first 5 weeks. Single treatments of atrazine and prynachlor caused slight injury, but none of the herbicide treatments affected the number of days to mid silking or plant population at harvest. They all gave significantly higher yields, expressed as cob numbers and weights, than the unweeded control, but the combination treatments generally gave significantly better yields than the single herbicide treatments which caused some loss of yield when compared with the clean-weeded control Bioassays with soil samples taken after the corn harvest showed phytotoxicity at 4 weeks with all herbicide treatments, except alachlor alone, and at 8 weeks residues were detected only in plots treated with atrazine alone Atrazine plus alachlor was the most effective treatment in the study combining excellent weed control with good crop tolerance and yields, and no residual activity at 8 weeks 2023-10-26T15:04:47Z 2023-10-26T15:04:47Z 1979-01 Artículo https://repositorio.catie.ac.cr/handle/11554/12314 openAccess en Turrialba; Vol. 29, no. 1 4 páginas application/pdf Instituto Interamericano de Cooperación para la Agricultura (IICA)
institution Centro Agronómico Tropical de Investigación y Enseñanza
collection Repositorio CATIE
language Inglés
topic Zea mays||Zea mays||Zea mays||Zea mays
Maíz||maize||milho||maïs
Herbicidas||herbicides||herbicida||herbicide
Insumos agricolas||farm inputs||input agrícola||moyen de production agricole
Rendimiento de cultivos||crop yield||rendimento de cultura||rendement des cultures
Trinidad y Tobago
Sede Central
spellingShingle Zea mays||Zea mays||Zea mays||Zea mays
Maíz||maize||milho||maïs
Herbicidas||herbicides||herbicida||herbicide
Insumos agricolas||farm inputs||input agrícola||moyen de production agricole
Rendimiento de cultivos||crop yield||rendimento de cultura||rendement des cultures
Trinidad y Tobago
Sede Central
Brathwaite, R.A.I
Control de preemergencia de malezas del maíz en Trinidad
description Response of weeds and rinfed corn (Zea mays L cv. Pioneer hybrid X306) to single and combined preemergence treatments of atrazine and either alachlor or prynachlor was evaluated over a 3-year period on clay loam soils near St. Augustine, Trinidad. All herbicide treatments reduced weed growth during the first 5 weeks. Single treatments of atrazine and prynachlor caused slight injury, but none of the herbicide treatments affected the number of days to mid silking or plant population at harvest. They all gave significantly higher yields, expressed as cob numbers and weights, than the unweeded control, but the combination treatments generally gave significantly better yields than the single herbicide treatments which caused some loss of yield when compared with the clean-weeded control Bioassays with soil samples taken after the corn harvest showed phytotoxicity at 4 weeks with all herbicide treatments, except alachlor alone, and at 8 weeks residues were detected only in plots treated with atrazine alone Atrazine plus alachlor was the most effective treatment in the study combining excellent weed control with good crop tolerance and yields, and no residual activity at 8 weeks
format Artículo
author Brathwaite, R.A.I
author_facet Brathwaite, R.A.I
author_sort Brathwaite, R.A.I
title Control de preemergencia de malezas del maíz en Trinidad
title_short Control de preemergencia de malezas del maíz en Trinidad
title_full Control de preemergencia de malezas del maíz en Trinidad
title_fullStr Control de preemergencia de malezas del maíz en Trinidad
title_full_unstemmed Control de preemergencia de malezas del maíz en Trinidad
title_sort control de preemergencia de malezas del maíz en trinidad
publisher Instituto Interamericano de Cooperación para la Agricultura (IICA)
publishDate 2023
url https://repositorio.catie.ac.cr/handle/11554/12314
work_keys_str_mv AT brathwaiterai controldepreemergenciademalezasdelmaizentrinidad
AT brathwaiterai preemergenceweedcontrolincornzeamaysintrinidad
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