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| 1. |  | SANTA-CECÍLIA, L. V. C.; PRADO, E.; SOUSA, M. V. de; SOUSA, A. L. V. de; CORREA, L. R. B. Efeito da temperatura no desenvolvimento e sobrevivência da cochonilha Pseudococcus longispinus (Targioni Tozzetti, 1867) (hemiptera: pseudococcidae) em cafeeiro. Coffee Science, Lavras, MG, v. 6, n. 2, p. 91-97, maio/ago. 2011.| Biblioteca(s): Epagri-Sede. |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
12/04/2021 |
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Data da última atualização: |
12/04/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
AVILA, L.; NOLDIN, J. A.; MARIOT, C. H.; MASSONI, P. F.; FIPKE, M. F.; GEHRKE, V. R.; MEROTTO JÚNIOR, A.; TOMITA, F. M.; MATOS, A. B.; FACIONE, G.; VIEIRA, E. B.; ROSA, E. S.; SANTIS, R. P.; CAMARGO, E. R.; ROMA-BURGOS, N.; THEISEN, G. |
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Título: |
Status of Weedy Rice (Oryza sativa L.) Infestation and Management Practices in Southern Brazil. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Weed Science, Cambridge, UK, v. 69, n. 2, 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
Weedy rice (WR) (Oryza sativa L.) is the most troublesome weed infesting rice paddies in Brazil. Several changes have occurred in this region regarding crop management, especially WR control based on the Clearfield? (CL) Rice Production System launched in 2003. This survey's objective was to evaluate the WR infestation status by assessing the producers' perception and the management practices used in southern Brazil after eighteen years of CL use in Brazil. Rice consultants and extension agents distributed a questionnaire with 213 producers in the Rio Grande do Sul (RS) and Santa Catarina (SC) state in the 2018/19 growing season. In RS, most farms are larger than 150 ha, farmers use minimal or conventional tillage, permanent flooding, adopted the CL system for more than two years, use clomazone PRE tank-mixed with glyphosate at the rice spiking stage, and use crop rotation with soybean [Glycine max (L.) Merr.] or pasture. In SC, rice farms are small, averaging from 20 to 30 ha, farmers predominantly plant pre-germinated rice and do not rotate rice with other crops and roguing is practiced. Comparing both states, the CL System is used in 99.5, and 69.3% of the total surveyed rice area in RS and SC, respectively. Imidazolinone-resistant WR is present in 68.4 and 26.6% of rice farms in RS and SC,
respectively. Rice cultivation in Brazil is currently coexisting with WR with minimal integration of control methods. However, integrated practices can control this weed and are fundamental to the sustainability of systems based on herbicide-resistant rice cultivars. MenosWeedy rice (WR) (Oryza sativa L.) is the most troublesome weed infesting rice paddies in Brazil. Several changes have occurred in this region regarding crop management, especially WR control based on the Clearfield? (CL) Rice Production System launched in 2003. This survey's objective was to evaluate the WR infestation status by assessing the producers' perception and the management practices used in southern Brazil after eighteen years of CL use in Brazil. Rice consultants and extension agents distributed a questionnaire with 213 producers in the Rio Grande do Sul (RS) and Santa Catarina (SC) state in the 2018/19 growing season. In RS, most farms are larger than 150 ha, farmers use minimal or conventional tillage, permanent flooding, adopted the CL system for more than two years, use clomazone PRE tank-mixed with glyphosate at the rice spiking stage, and use crop rotation with soybean [Glycine max (L.) Merr.] or pasture. In SC, rice farms are small, averaging from 20 to 30 ha, farmers predominantly plant pre-germinated rice and do not rotate rice with other crops and roguing is practiced. Comparing both states, the CL System is used in 99.5, and 69.3% of the total surveyed rice area in RS and SC, respectively. Imidazolinone-resistant WR is present in 68.4 and 26.6% of rice farms in RS and SC,
respectively. Rice cultivation in Brazil is currently coexisting with WR with minimal integration of control methods. However, integrated practices can control this weed and are fundam... Mostrar Tudo |
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Palavras-Chave: |
Clearfield™; herbicide-resistant rice; imidazolinone; Oryza sativa; red rice; weed survey. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02602naa a2200373 a 4500
001 1130711
005 2021-04-12
008 2021 bl uuuu u00u1 u #d
100 1 $aAVILA, L.
245 $aStatus of Weedy Rice (Oryza sativa L.) Infestation and Management Practices in Southern Brazil.$h[electronic resource]
260 $c2021
520 $aWeedy rice (WR) (Oryza sativa L.) is the most troublesome weed infesting rice paddies in Brazil. Several changes have occurred in this region regarding crop management, especially WR control based on the Clearfield? (CL) Rice Production System launched in 2003. This survey's objective was to evaluate the WR infestation status by assessing the producers' perception and the management practices used in southern Brazil after eighteen years of CL use in Brazil. Rice consultants and extension agents distributed a questionnaire with 213 producers in the Rio Grande do Sul (RS) and Santa Catarina (SC) state in the 2018/19 growing season. In RS, most farms are larger than 150 ha, farmers use minimal or conventional tillage, permanent flooding, adopted the CL system for more than two years, use clomazone PRE tank-mixed with glyphosate at the rice spiking stage, and use crop rotation with soybean [Glycine max (L.) Merr.] or pasture. In SC, rice farms are small, averaging from 20 to 30 ha, farmers predominantly plant pre-germinated rice and do not rotate rice with other crops and roguing is practiced. Comparing both states, the CL System is used in 99.5, and 69.3% of the total surveyed rice area in RS and SC, respectively. Imidazolinone-resistant WR is present in 68.4 and 26.6% of rice farms in RS and SC, respectively. Rice cultivation in Brazil is currently coexisting with WR with minimal integration of control methods. However, integrated practices can control this weed and are fundamental to the sustainability of systems based on herbicide-resistant rice cultivars.
653 $aClearfield™
653 $aherbicide-resistant rice
653 $aimidazolinone
653 $aOryza sativa
653 $ared rice
653 $aweed survey
700 1 $aNOLDIN, J. A.
700 1 $aMARIOT, C. H.
700 1 $aMASSONI, P. F.
700 1 $aFIPKE, M. F.
700 1 $aGEHRKE, V. R.
700 1 $aMEROTTO JÚNIOR, A.
700 1 $aTOMITA, F. M.
700 1 $aMATOS, A. B.
700 1 $aFACIONE, G.
700 1 $aVIEIRA, E. B.
700 1 $aROSA, E. S.
700 1 $aSANTIS, R. P.
700 1 $aCAMARGO, E. R.
700 1 $aROMA-BURGOS, N.
700 1 $aTHEISEN, G.
773 $tWeed Science, Cambridge, UK$gv. 69, n. 2, 2021.
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Epagri-Sede (Epagri-Sede) |
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