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Bioagro
Article . 2020 . Peer-reviewed
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Bioagro
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Interferencia de Cenchrus echinatus y Rottboellia exaltata en el crecimiento del frijol caupí

Authors: Sonicley da Silva Maia; Paulo R. Ribeiro-Rocha; Thaís Santiago-Castro; Iasmin K. E. Costa da Silva; Glauber Ferreira-Barreto; Leandro Torres de Souza; Hipólito Murga-Orrillo; +1 Authors

Interferencia de Cenchrus echinatus y Rottboellia exaltata en el crecimiento del frijol caupí

Abstract

El frijol caupíes un cultivo importante para la seguridad alimentaria de la población mundial;sin embargo, su producción es afectada constantemente por la interferencia de las malezas. El objetivo de estainvestigación fue determinar el efecto de la interferenciadelasmalezasen diferentes densidades de competencia sobre las características de crecimiento del cultivo. El estudio fue conducido mediante diseño de bloques al azar en arreglofactorial 2x4 para análisis del cultivoy 2x3 paralasmalezas. Fueron estudiadas dos especies de maleza (Cenchrus echinatusy Rottboellia exaltata) y cuatro intensidades de competencia (cero, dos, cuatro y seis individuos por maceta), con cuatro repeticiones. Las evaluaciones fueron realizadas en la etapa de floración del cultivo y las variables medidas fueron área foliar, masa seca de las hojas, del tallo, de la raíz (MSR), de la parte aérea (MSPA), masa seca total y la relación MSR/MSPA. Además, fueron cuantificadas en las malezas la masa seca de la parte aérea (MSPAM) y de la raíz (MSRM). El aumento de la densidad de competencia de las malezas resultó en disminución de los valores de todas las variables analizadasen el cultivo. En las malezas,C. echinatusmostró mayor MSPAM que R.exaltata,aunqueno hubo diferenciasenMSRM. Ambas malezasafectan negativamente elcrecimiento delasplantas de frijol,aunque con C. echinatusel efecto es aún mayor.El efecto de interferencia es mayor a medida que aumenta la densidad de lasmalezas.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold