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Incidence of weeds in areas of extensive pastures located in Roraima

Cavalcante SAA;
Neto JLLM;
Albuquerque JAA;
Alvarez RAM;
Melo AKP;
Braz LSC;
Ribeiro RS;
Jácome CSJ;
Guerra EG;
Sousa BAM

Sarah Andressa de Andrade Cavalcante

João Luiz Lopes Monteiro Neto

José de Anchieta Alves de Albuquerque

Richard Alcides Molina Alvarez

Ana Karyne Pereira Melo

Laura Soliane Cruz Braz

Rayra de Souza Ribeiro

Cristian Santiago Jiménez Jácome

Eliana Granja Guerra

Brenda Ariana Medeiros de Sousa


Resumen

In order to evaluate the incidence of weeds in different pasture areas in Roraima, also seeking to identify whether the type of pasture suppresses the appearance of any species, an experiment was carried out in the period from May to June 2021. The diversity in numbers of weed species was evaluated in three selected areas: 1 – area with brachiaria grass (Brachiaria brizantha), 2 – area with Mombasa grass (Panicum maximum) and 3 – unplanted area. In the area without cultivation, 19 weed species were identified, with the species  E. indica, E. colonum, E. plana, M. pudica, B. plantaginea and S. arundinaceum being the most frequent. In the area planted with B. brizantha, ten species were identified, of which R. nervosa was the most predominant. In the area cultivated with Panicum maximum, eight species were collected, and the species: B. Plantaginea, C. prostrata and S. acuta were the most predominant in this evaluated area. There was statistical variation between species in each area, indicating that the type of vegetation and/or cultivation influences weed suppression, which in this study was more evident in areas with pasture.

 

DOI:https://doi.org/10.56238/uniknowindevolp-033


Creative Commons License

Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.

Derechos de autor 2023 Sarah Andressa de Andrade Cavalcante, João Luiz Lopes Monteiro Neto, José de Anchieta Alves de Albuquerque, Richard Alcides Molina Alvarez, Ana Karyne Pereira Melo, Laura Soliane Cruz Braz, Rayra de Souza Ribeiro, Cristian Santiago Jiménez Jácome, Eliana Granja Guerra, Brenda Ariana Medeiros de Sousa

##plugins.themes.gdThemes.article.Authors##

  • Sarah Andressa de Andrade Cavalcante
  • João Luiz Lopes Monteiro Neto
  • José de Anchieta Alves de Albuquerque
  • Richard Alcides Molina Alvarez
  • Ana Karyne Pereira Melo
  • Laura Soliane Cruz Braz
  • Rayra de Souza Ribeiro
  • Cristian Santiago Jiménez Jácome
  • Eliana Granja Guerra
  • Brenda Ariana Medeiros de Sousa