2013
DOI: 10.1590/s0100-83582013000200009
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Interferencia de malezas en el cultivo de frijol en dos sistemas de labranzas

Abstract: Con este trabajo, se busco determinar el período anterior a la interferencia de las malezas que conviven con el cultivo de frijol, en ausencia o presencia de residuos vegetales de Crotalaria juncea. Los tratamientos estaban constituidos de siete períodos de convivencia del cultivo con las malezas: 0-10, 0-20, 0-30, 0-40, 0-50, 0-60 y 0-70 días después de la emergencia y también de un testigo sin presencia de las malezas en ausencia o presencia de crotalaria. El diseño experimental utilizado fue de bloques comp… Show more

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Cited by 3 publications
(5 citation statements)
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“…Scholtenet al (2011) de competição, tendendo a infestar de modo intenso as culturas, especialmente as de inverno (Kissmann & Groth, 1999). Parreira et al (2012Parreira et al ( , 2013 ) ao final dos períodos de convivência, para os cultivares de feijao Pérola, BRS Pontal e IPR Juriti.…”
Section: Comunidade Infestanteunclassified
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“…Scholtenet al (2011) de competição, tendendo a infestar de modo intenso as culturas, especialmente as de inverno (Kissmann & Groth, 1999). Parreira et al (2012Parreira et al ( , 2013 ) ao final dos períodos de convivência, para os cultivares de feijao Pérola, BRS Pontal e IPR Juriti.…”
Section: Comunidade Infestanteunclassified
“…Por outro lado, o cultivar IPR Juriti possui crescimento indeterminado tipo II, de arquitetura mais ereta e, consequentemente, foi mais sensível à interferência da comunidade infestante, resultando em PAI de 7 DAE. Parreira et al (2013), utilizando o mesmo cultivar Pérola, na mesma região e época de cultivo, obtiveram PAI mais extenso, que variou de 29 a 38 DAE na ausência e na presença de resíduos vegetais de crotalária. Entretanto, Scholten et al (2011) e Bressanin et al (2013, utilizando feijoeiros com crescimento indeterminado tipo III (cv.…”
Section: Períodos De Interferênciaunclassified
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“…The turnip was the predominant species, with 1.700 g m -2 of dry matter, followed by extinguishes fire with 900 g m Parreira et al (2013Parreira et al ( , 2014 and found that, in R. raphanistrum reached extremely high density and dry weight values drastically reducing crop yields that were present. When analyzing productivity when the weed community was present throughout the crop cycle, there were drastic losses in production reducing 84.89%.…”
Section: Revmentioning
confidence: 95%
“…With cultivars of habit indeterminate growth type III, cultivar Rubi, Scholten et al [18] and Bressanin et al [30] obtained results like the BRS Pontal cultivar, with PAI ranging from 19 to 23 DAE. Parreira et al [31,11] found the PAI 20 days in common bean growers (type III). By decreasing this arbitrary value to 2.5% reduction in productivity, the PPI value decreases by 9 days for the cultivar BRS Pontal (21 days) and for the IPR Juriti cultivar the PPI value is so small that any time of competition of plants of this cultivar with weeds, already cause significant decreases in productivity (Table 4).…”
Section: Periods Of Interferencementioning
confidence: 99%