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| 5. |  | PAVLAK, R. J.; CONSTANTINO, K. C.; BESEN, A. G.; BARRETO, C. R.; COSTA, P. I.; FEIDEN, A. Vitrine tecnológica de agroecologia (vital), há 15 anos semeando a agroecologia no berço do agronegócio paranaense. In: SEMINÁRIO INTERNACIONAL DE PÓS-GRADUAÇÃO EM DESENVOLVIMENTO SUSTENTÁVEL, Foz do Iguaçu, 2019. Anais...[Marechal Cândido Rondon]: Unioste, 2019. Titulo em inglês: Vitrine tecnológica de agroecologia (vital), to 15 years sowing agroecology in the cradle of the paranaense agribusiness.| Biblioteca(s): Embrapa Pantanal. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Milho e Sorgo; Embrapa Soja. |
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Data corrente: |
04/07/2019 |
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Data da última atualização: |
03/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
LUCIO, F. R.; KALSING, A.; ADEGAS, F. S.; ROSSI, C. V. S.; CORREIA, N. M.; GAZZIERO, D. L. P.; SILVA, A. F. da. |
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Afiliação: |
Felipe Ridolfo Lucio; Augusto Kalsing; FERNANDO STORNIOLO ADEGAS, CNPSO; Caio Vitagliano Santi Rossi; NUBIA MARIA CORREIA, CPAC; DIONISIO LUIZ PISA GAZZIERO, CNPSO; ALEXANDRE FERREIRA DA SILVA, CNPMS. |
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Título: |
Dispersal and frequency of glyphosate-resistant and glyphosate tolerant weeds in soybean-producing edaphoclimatic microregions in Brazil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Weed Technology, v. 33, n. 1, p. 217-231, 2019. |
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DOI: |
10.1017/wet.2018.97 |
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Idioma: |
Inglês |
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Conteúdo: |
Glyphosate-resistant (GR) and glyphosate-tolerant weeds cause considerable yield losses and represent a growing threat to soybean production systems. Despite the relevance of this topic, few studies have evaluated the dispersal of these species in Brazil. The objective of this study was to evaluate the dispersal and frequency of known GR and glyphosate-tolerant weeds in soybean-producing microregions. A total of 2,481 interviews were conducted in different regions of Brazil. The interviews were stratified among 20 edaphoclimatic microregions (ECRs) to cover all of the country?s soybean-producing regions. A minimum number of interviews was estimated to generate a margin of error of ?10% within the ECRs and ?5% in the country. The values of the farmers? responses were extrapolated to the total soybean production area of each ECR and the country as a whole, and the absolute values of each response were normalized as percentage values. The dispersal and management data demonstrate a loss of efficiency of glyphosate-resistance technology. Species that are naturally tolerant to glyphosate such as goosegrass, Commelina spp., and Ipomoea spp. had a greater presence in the ECRs, as did the resistant biotypes, particularly Conyza spp. and sourgrass, due to the large area cultivated with GR soybean, where glyphosate has been used with high frequency. |
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Palavras-Chave: |
Macrorregião de soja; Mapeamento. |
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Thesagro: |
Erva Daninha; Soja. |
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Thesaurus NAL: |
Glyphosate; Soybeans; Weeds. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02209naa a2200289 a 4500
001 2111676
005 2019-10-03
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1017/wet.2018.97$2DOI
100 1 $aLUCIO, F. R.
245 $aDispersal and frequency of glyphosate-resistant and glyphosate tolerant weeds in soybean-producing edaphoclimatic microregions in Brazil.$h[electronic resource]
260 $c2019
520 $aGlyphosate-resistant (GR) and glyphosate-tolerant weeds cause considerable yield losses and represent a growing threat to soybean production systems. Despite the relevance of this topic, few studies have evaluated the dispersal of these species in Brazil. The objective of this study was to evaluate the dispersal and frequency of known GR and glyphosate-tolerant weeds in soybean-producing microregions. A total of 2,481 interviews were conducted in different regions of Brazil. The interviews were stratified among 20 edaphoclimatic microregions (ECRs) to cover all of the country?s soybean-producing regions. A minimum number of interviews was estimated to generate a margin of error of ?10% within the ECRs and ?5% in the country. The values of the farmers? responses were extrapolated to the total soybean production area of each ECR and the country as a whole, and the absolute values of each response were normalized as percentage values. The dispersal and management data demonstrate a loss of efficiency of glyphosate-resistance technology. Species that are naturally tolerant to glyphosate such as goosegrass, Commelina spp., and Ipomoea spp. had a greater presence in the ECRs, as did the resistant biotypes, particularly Conyza spp. and sourgrass, due to the large area cultivated with GR soybean, where glyphosate has been used with high frequency.
650 $aGlyphosate
650 $aSoybeans
650 $aWeeds
650 $aErva Daninha
650 $aSoja
653 $aMacrorregião de soja
653 $aMapeamento
700 1 $aKALSING, A.
700 1 $aADEGAS, F. S.
700 1 $aROSSI, C. V. S.
700 1 $aCORREIA, N. M.
700 1 $aGAZZIERO, D. L. P.
700 1 $aSILVA, A. F. da
773 $tWeed Technology$gv. 33, n. 1, p. 217-231, 2019.
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Embrapa Soja (CNPSO) |
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