Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants
It has been difficult to control Eleusine indica (L.) Gaertn and Spermacocea latifolia Aubl. in cotton and soybean crops due to their herbicide resistance or tolerance to glyphosate. Thus, this study's objective was to evaluate the herbicide efficacy applied in pre-emergence, associated with d...
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Universidade do Estado de Santa Catarina
2024-09-01
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| Series: | Revista de Ciências Agroveterinárias |
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| Online Access: | https://periodicos.udesc.br/index.php/agroveterinaria/article/view/24148 |
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| author | Henrique Spricigo Bruna Ferrari Schenddelfdt Rafaela Oliva da Silva Andreia Crisitina Silva Hirata Patrícia Andrea Monquero |
| author_facet | Henrique Spricigo Bruna Ferrari Schenddelfdt Rafaela Oliva da Silva Andreia Crisitina Silva Hirata Patrícia Andrea Monquero |
| author_sort | Henrique Spricigo |
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It has been difficult to control Eleusine indica (L.) Gaertn and Spermacocea latifolia Aubl. in cotton and soybean crops due to their herbicide resistance or tolerance to glyphosate. Thus, this study's objective was to evaluate the herbicide efficacy applied in pre-emergence, associated with desiccant herbicide in sequential application, in these species. The experiments for S. latifolia and E. indica were conducted separately in a greenhouse. The experimental design was completely randomized, with 4 replications, in a 6 x 3 factorial. The first factor consisted of pre-emerging herbicides applied two days after the sowing of each species, diclosulam (35 g a.i./ha), s-metolachlor (600 g a.i./ha), pyroxasulfone (200 g a.i./ha) + flumioxazin (200 g a.i./ha), diuron (2000 g a.i./ha), trifluralin (600 g a.i./ha), and the treatment without herbicide. The second factor consisted of the application of diquat (200 g a.i./ha), ammonium glufosinate (400 g a.i./ha), or the absence of sequential application. The results revealed that only for the diclosulam herbicide a sequential application with desiccants was necessary for an effective control of E. indica. The other herbicide applied in pre-emergence showed high efficacy (> 90%) in E. indica control when applied individually. Regarding S. latifolia chemical control, the herbicides s-metolachlor (80.04%), pyroxasulfone + flumioxazin (100%), diclosulam (82.08%) and diuron (89.58%), applied in pre-emergence, presented a satisfactory control at 42 days after emergence. The sequential applications promoted better control of S. latifolia to trifluralin and diuron. In conclusion, there are pre-emergence options for the effective control of E. indica and S. latifolia. However, sequential application can be an important tool for improving the control of some weed species, such as those studied in this work, by certain herbicides.
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| format | Article |
| id | doaj-art-a437eeb950584a659bc42daaff67bfcd |
| institution | OA Journals |
| issn | 2238-1171 |
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| publishDate | 2024-09-01 |
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| series | Revista de Ciências Agroveterinárias |
| spelling | doaj-art-a437eeb950584a659bc42daaff67bfcd2025-08-20T02:10:45ZengUniversidade do Estado de Santa CatarinaRevista de Ciências Agroveterinárias2238-11712024-09-0123210.5965/223811712322024221Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccantsHenrique Spricigo0https://orcid.org/0000-0002-6845-6683Bruna Ferrari Schenddelfdt1https://orcid.org/0000-0002-2099-3690Rafaela Oliva da Silva2https://orcid.org/0000-0002-2016-5078Andreia Crisitina Silva Hirata3https://orcid.org/0000-0001-5670-8751Patrícia Andrea Monquero4https://orcid.org/0000-0002-9123-1861Center for Agricultural Sciences, Federal University of São Carlos, Araras, São Paulo, BrazilCenter for Agricultural Sciences, Federal University of São Carlos, Araras, São Paulo, BrazilCenter for Agricultural Sciences, Federal University of São Carlos, Araras, São Paulo, BrazilSão Paulo Technology and Agribusiness Agency, Presidente Prudente, São Paulo, BrazilCenter for Agricultural Sciences, Federal University of São Carlos, Araras, São Paulo, Brazil It has been difficult to control Eleusine indica (L.) Gaertn and Spermacocea latifolia Aubl. in cotton and soybean crops due to their herbicide resistance or tolerance to glyphosate. Thus, this study's objective was to evaluate the herbicide efficacy applied in pre-emergence, associated with desiccant herbicide in sequential application, in these species. The experiments for S. latifolia and E. indica were conducted separately in a greenhouse. The experimental design was completely randomized, with 4 replications, in a 6 x 3 factorial. The first factor consisted of pre-emerging herbicides applied two days after the sowing of each species, diclosulam (35 g a.i./ha), s-metolachlor (600 g a.i./ha), pyroxasulfone (200 g a.i./ha) + flumioxazin (200 g a.i./ha), diuron (2000 g a.i./ha), trifluralin (600 g a.i./ha), and the treatment without herbicide. The second factor consisted of the application of diquat (200 g a.i./ha), ammonium glufosinate (400 g a.i./ha), or the absence of sequential application. The results revealed that only for the diclosulam herbicide a sequential application with desiccants was necessary for an effective control of E. indica. The other herbicide applied in pre-emergence showed high efficacy (> 90%) in E. indica control when applied individually. Regarding S. latifolia chemical control, the herbicides s-metolachlor (80.04%), pyroxasulfone + flumioxazin (100%), diclosulam (82.08%) and diuron (89.58%), applied in pre-emergence, presented a satisfactory control at 42 days after emergence. The sequential applications promoted better control of S. latifolia to trifluralin and diuron. In conclusion, there are pre-emergence options for the effective control of E. indica and S. latifolia. However, sequential application can be an important tool for improving the control of some weed species, such as those studied in this work, by certain herbicides. https://periodicos.udesc.br/index.php/agroveterinaria/article/view/24148goosegrasschemical controlmanagementresistancebuttonweed |
| spellingShingle | Henrique Spricigo Bruna Ferrari Schenddelfdt Rafaela Oliva da Silva Andreia Crisitina Silva Hirata Patrícia Andrea Monquero Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants Revista de Ciências Agroveterinárias goosegrass chemical control management resistance buttonweed |
| title | Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants |
| title_full | Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants |
| title_fullStr | Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants |
| title_full_unstemmed | Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants |
| title_short | Management of resistant biotypes of Eleusine indica and glyphosate-tolerant Spermacocea latifolia with pre-emergent herbicides associated with sequential application of desiccants |
| title_sort | management of resistant biotypes of eleusine indica and glyphosate tolerant spermacocea latifolia with pre emergent herbicides associated with sequential application of desiccants |
| topic | goosegrass chemical control management resistance buttonweed |
| url | https://periodicos.udesc.br/index.php/agroveterinaria/article/view/24148 |
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