Efficiency loss of recorded fungicides for the control of asian soybean rust in central region of Brazil
| dc.creator | Aguiar, Renata Alves de | |
| dc.creator | Cunha, Marcos Gomes | |
| dc.creator | Araújo, Fernando Godinho de | |
| dc.creator | Carneiro, Luciana Celeste | |
| dc.creator | Borges, Edson Pereira | |
| dc.creator | Carlin, Valtemir José | |
| dc.date.accessioned | 2025-05-23T18:54:15Z | |
| dc.date.available | 2025-05-23T18:54:15Z | |
| dc.date.issued | 2016-06 | |
| dc.description.abstract | Due to grower allege of low efficiency of triazole fungicides in recent years in Central Brazil on the control of Asian soybean rust (Phakopsora pachyrhizi), this study was undertaken to demonstrate the efficiency loss of products registered for rust and applied alone and to evaluate the efficiency of fungicides mixtures. The trials were carried out in five locations in Brazil, in the 2009/10 growing season. The experimental design was completely randomized blocks with four replications. Ten mixtures of triazole + strobilurin and two applications of pure triazoles were evaluated and the control without application. The application of fungicides started in the R1/R2 stage or in any vegetative stage if infections occurred early. The mixtures of fungicides were effective in controlling Asian soybean rust. Application of sole triazole fungicides was less effective in controlling the rust than the mixtures of triazoles + strobilurins. The use of commercial mixtures of triazole with strobilurin for rust control is recommended. | |
| dc.description.resumo | Devido à alegação de produtores que os fungicidas triazóis tem apresentado menor eficiência no controle da ferrugem asiática da soja (Phakopsora pachyrhizi) nas últimas safras, este trabalho objetivou demonstrar a perda de eficiência de produtos do grupo dos triazois registrados para ferrugem da soja e aplicados isoladamente e avaliar a eficiência de misturas de fungicidas. Os ensaios foram realizados em cinco regiões produtoras, na safra 2009/10. O delineamento experimental foi de blocos ao acaso com quatro repetições. Foram avaliadas dez misturas de triazóis + estrobilurinas e dois triazóis isoladamente, além do controle sem aplicação. As aplicações dos fungicidas foram iniciadas no estádio R1/R2 ou no período vegetativo, quando observados sintomas nessa fase. As misturas de fungicidas são eficientes no controle da ferrugem asiática da soja, enquanto os fungicidas triazóis são significativamente menos eficientes no controle do que as misturas de triazóis + estrobirulinas. | |
| dc.identifier.citation | AGUIAR, Renata Alves de et al. Efficiency loss of recorded fungicides for the control of asian soybean rust in central region of Brazil. Revista de Agricultura Neotropical, Cassilândia, v. 3, n. 2, p. 41-47, 2016. DOI: 10.32404/rean.v8i1.5360. Disponível em: https://periodicosonline.uems.br/index.php/agrineo/article/view/1066. Acesso em: 16 maio 2025. | |
| dc.identifier.doi | 10.32404/rean.v8i1.5360 | |
| dc.identifier.issn | 2358-6303 | |
| dc.identifier.uri | http://repositorio.bc.ufg.br//handle/ri/27578 | |
| dc.language.iso | eng | |
| dc.publisher.country | Brasil | |
| dc.publisher.department | Escola de Agronomia - EA (RMG) | |
| dc.rights | Acesso Aberto | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.subject | Phakopsora pachyrhizi | |
| dc.subject | Triazole | |
| dc.subject | Strobilurin | |
| dc.subject | Triazol | |
| dc.subject | Estrobilurina | |
| dc.title | Efficiency loss of recorded fungicides for the control of asian soybean rust in central region of Brazil | |
| dc.title.alternative | Perda de eficiência de fungicidas registrados para controle de ferrugem asiática da soja na região Central do Brasil | |
| dc.type | Artigo |