Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars
ABSTRACT: This study aimed to determine weed interference periods in semi-erect and semi-prostrate cowpea cultivars. Two simultaneous experiments were conducted with the cowpea cultivars BRS Guariba (semi-erect) and BRS Aracê (semi-prostrate). The experimental design was a randomized block design wi...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira da Ciência das Plantas Daninhas
2019-09-01
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| Series: | Planta Daninha |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100277&tlng=en |
| _version_ | 1831684863753715712 |
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| author | T.S. CASTRO P.R.R. ROCHA G.F. BARRETO S.S. MAIA J.A.A. ALBUQUERQUE J.M.A. ALVES |
| author_facet | T.S. CASTRO P.R.R. ROCHA G.F. BARRETO S.S. MAIA J.A.A. ALBUQUERQUE J.M.A. ALVES |
| author_sort | T.S. CASTRO |
| collection | DOAJ |
| description | ABSTRACT: This study aimed to determine weed interference periods in semi-erect and semi-prostrate cowpea cultivars. Two simultaneous experiments were conducted with the cowpea cultivars BRS Guariba (semi-erect) and BRS Aracê (semi-prostrate). The experimental design was a randomized block design with four replications in a 7 × 2 factorial scheme, seven periods × two weed management (control and coexistence). Control and coexistence periods consisted of 0, 0-8, 0-16, 0-24, 0-32, 0-45, and 0-60 days after emergence (DAE) for the semi-erect cultivar and 0, 0-8, 0-16, 0-24, 0-32, 0-45, and 0-64 DAE for the semi-prostrate cultivar. Competition throughout the cycle reduced productivity by up to 39.81% for BRS Guariba and 37.27% for BRS Aracê. The cultivars BRS Guariba and BRS Aracê presented critical period of interference prevention of 9 to 41 DAE and 15 to 32 DAE, respectively. The semi-prostrate cultivar BRS Aracê was more competitive with weeds, requiring a shorter control period to express maximum productivity. |
| first_indexed | 2024-12-20T08:09:32Z |
| format | Article |
| id | doaj.art-d1ee3bc111a145a89b02483f59849148 |
| institution | Directory Open Access Journal |
| issn | 0100-8358 |
| language | English |
| last_indexed | 2024-12-20T08:09:32Z |
| publishDate | 2019-09-01 |
| publisher | Sociedade Brasileira da Ciência das Plantas Daninhas |
| record_format | Article |
| series | Planta Daninha |
| spelling | doaj.art-d1ee3bc111a145a89b02483f598491482022-12-21T19:47:19ZengSociedade Brasileira da Ciência das Plantas DaninhasPlanta Daninha0100-83582019-09-013710.1590/s0100-83582019370100080Weed Interference in Semi-Erect and Semi-Prostate Cowpea CultivarsT.S. CASTROP.R.R. ROCHAhttps://orcid.org/0000-0003-4848-385XG.F. BARRETOS.S. MAIAJ.A.A. ALBUQUERQUEJ.M.A. ALVESABSTRACT: This study aimed to determine weed interference periods in semi-erect and semi-prostrate cowpea cultivars. Two simultaneous experiments were conducted with the cowpea cultivars BRS Guariba (semi-erect) and BRS Aracê (semi-prostrate). The experimental design was a randomized block design with four replications in a 7 × 2 factorial scheme, seven periods × two weed management (control and coexistence). Control and coexistence periods consisted of 0, 0-8, 0-16, 0-24, 0-32, 0-45, and 0-60 days after emergence (DAE) for the semi-erect cultivar and 0, 0-8, 0-16, 0-24, 0-32, 0-45, and 0-64 DAE for the semi-prostrate cultivar. Competition throughout the cycle reduced productivity by up to 39.81% for BRS Guariba and 37.27% for BRS Aracê. The cultivars BRS Guariba and BRS Aracê presented critical period of interference prevention of 9 to 41 DAE and 15 to 32 DAE, respectively. The semi-prostrate cultivar BRS Aracê was more competitive with weeds, requiring a shorter control period to express maximum productivity.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100277&tlng=enVigna unguiculatacompetitioninterference periods |
| spellingShingle | T.S. CASTRO P.R.R. ROCHA G.F. BARRETO S.S. MAIA J.A.A. ALBUQUERQUE J.M.A. ALVES Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars Planta Daninha Vigna unguiculata competition interference periods |
| title | Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars |
| title_full | Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars |
| title_fullStr | Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars |
| title_full_unstemmed | Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars |
| title_short | Weed Interference in Semi-Erect and Semi-Prostate Cowpea Cultivars |
| title_sort | weed interference in semi erect and semi prostate cowpea cultivars |
| topic | Vigna unguiculata competition interference periods |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100277&tlng=en |
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