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dc.contributor.authorLACERDA, M. L.
dc.contributor.authorASPIAZU, I.
dc.contributor.authorCARVALHO, A. J. de
dc.contributor.authorSILVA, A. F. da
dc.contributor.authorFERREIRA, E. A.
dc.contributor.authorSOUZA, A. A. de
dc.contributor.authorCAMPOS, M. L. de
dc.contributor.authorBRITO, C. F. B.
dc.date.accessioned2020-06-05T11:05:37Z-
dc.date.available2020-06-05T11:05:37Z-
dc.date.created2020-06-04
dc.date.issued2020
dc.identifier.citationRevista Brasileira de Ciências Agrárias, v. 15, n. 2, e6749, 2020.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1123006-
dc.descriptionWeed interference is one of the main limiting factors in the cowpea yield. In this sense, we aimed to determine the periods of weed interference in the cowpea crop in the semi-arid region of Minas Gerais. The treatments were arranged in a 2 x 10 factorial scheme, with two factors: coexistence and control of weed and ten periods: 0, 7, 14, 21, 28, 35, 42, 49, 56 and 63 days after emergence (DAE) subjected to control and coexistence. The evaluated characteristics were dry weight of weeds and the cowpea, weight of 100 grains and yield, which was fitted to the exponential model and the periods of interference of the weed community were determined. The period before interference (PBI) occurred up to 20 DAE, with weed control having to be performed up to 32 DAE. The critical period for weed control (CPWC) was from 21 to 32 days after emergence of the crop. The cowpea bean yield reduced 73.5% with the weed interactions during the whole cycle, under conditions of the semi-arid of Minas Gerais.
dc.language.isoeng
dc.rightsopenAccesseng
dc.subjectBRS Itaim
dc.subjectPlanta daninha
dc.subjectFeijão Caupi
dc.titlePeriods of weed interference in cowpea crop in the semi-arid of Minas Gerais, Brazil.
dc.typeArtigo de periódico
dc.subject.thesagroVigna Unguiculata
dc.subject.thesagroCompetição de Variedade
dc.subject.thesagroErva Daninha
dc.subject.thesagroFeijão
riaa.ainfo.id1123006
riaa.ainfo.lastupdate2020-10-27 -03:00:00
dc.identifier.doi10.5039/agraria.v15i2a6749
dc.contributor.institutionMarlon Lopes Lacerda, Universidade Estadual de Montes Claros; Ignacio Aspiazú, Universidade Estadual de Montes Claros; Abner José de Carvalho, Universidade Estadual de Montes Claros, Montes Claros; ALEXANDRE FERREIRA DA SILVA, CNPMS; Evander Alves Ferreira, Universidade Federal de Minas Gerais; Andrey Antunes de Souza, Universidade Estadual de Montes Claros; Marcos Lopes de Campos, Universidade Estadual de Montes Claros; Cleiton Fernando Barbosa Brito, Universidade Estadual de Montes Claros.
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