2021
DOI: 10.51372/bioagro341.3
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Estudio fitosociológico y evaluación del banco de malezas del suelo en tres fincas maiceras del Estado Portuguesa, Venezuela

Abstract: Los estudios fitosociológicos (EF) y bancos de semillas de malezas del suelo (BSMS) son una herramienta para el manejo de las malezas. El objetivo de esta investigación fue realizar un EF y evaluar el BSMS en tres fincas maiceras del estado Portuguesa, Venezuela, determinándose el índice de valor de importancia (IVI) y plántulas por superficie. Se encontraron diferencias entre la composición florística entre fincas y estudios realizados, detectándose un mayor número de especies en el EF. Las especies con mayor… Show more

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Cited by 3 publications
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“…Table 2 shows the values of the IVI from the three main weeds by sample and treatment. The species that stood out in the first sample, when the crotalaria was planted, was navajuela, which had the highest IVI in C, where it far exceeded the other species, and in D-50, where it was surpassed in density by F. dichotoma which occupied the first 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 Coquillo is an introduced perennial plant, considered as the most important weed in the tropics, since it has been found in more countries, regions and localities of the world (Torres and Ortiz, 2022). All the plants mentioned before tending to develop well in flooded, swamped soils, stream banks, small lagoons, canals, and fields flooded during the rainy season in the study area (Vibrans, 2009;Rzedowski and Rzedowski, 2008).…”
Section: Resultsmentioning
confidence: 99%
“…Table 2 shows the values of the IVI from the three main weeds by sample and treatment. The species that stood out in the first sample, when the crotalaria was planted, was navajuela, which had the highest IVI in C, where it far exceeded the other species, and in D-50, where it was surpassed in density by F. dichotoma which occupied the first 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 Coquillo is an introduced perennial plant, considered as the most important weed in the tropics, since it has been found in more countries, regions and localities of the world (Torres and Ortiz, 2022). All the plants mentioned before tending to develop well in flooded, swamped soils, stream banks, small lagoons, canals, and fields flooded during the rainy season in the study area (Vibrans, 2009;Rzedowski and Rzedowski, 2008).…”
Section: Resultsmentioning
confidence: 99%
“…T. crustacea es una planta originaria de regiones con climas estacionales y prefiere un suelo uniformemente húmedo con Figura 2: Mapas de distribución actual (2023) en el área nativa de las especies T. procumbens (A) y T. crustacea (B) taxonomía de suelo de Inceptisoles, y Ecuador se caracteriza por contar con el 9% de este tipo de suelo. Por otra parte, el cambio climático debido al aumento de las temperaturas provoca un desequilibrio bajando un 0.1% de la presencia en los cultivos (Torres y Ortiz, 2022).…”
Section: Resultados Y Discusiónunclassified