Controle de Urochloa decumbens e Ipomoea triloba pela associação de herbicidas com palha de cana-de-açúcar
This research aimed to evaluate the efficacy of herbicides associated with sugarcane straw on the control of Ipomoea triloba and Urochloa decumbens after simulation of different time periods of rain. Two experiments were conducted in greenhouse in pots filled with soil, being placed on them the equi...
| Autores: | , , , , |
|---|---|
| Tipo de documento: | artigo |
| Estado: | Versão publicada |
| Data de publicação: | 2011 |
| País: | Brasil |
| Recursos: | Universidade Estadual Paulista (UNESP) |
| Repositório: | Repositório Institucional da UNESP |
| Idioma: | português |
| OAI Identifier: | oai:repositorio.unesp.br:11449/141156 |
| Acesso em linha: | http://dx.doi.org/10.7824/rbh.v10i3.141 http://hdl.handle.net/11449/141156 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Green cane Saccharum spp. Weed Cana crua Planta daninha |
| Resumo: | This research aimed to evaluate the efficacy of herbicides associated with sugarcane straw on the control of Ipomoea triloba and Urochloa decumbens after simulation of different time periods of rain. Two experiments were conducted in greenhouse in pots filled with soil, being placed on them the equivalent of 0, 5 and 10 t ha-1 of sugarcane straw, after weed species sowing. The herbicides mesotrione, formulated mixture of [hexazinone+diuron] and imazapic were applied in pre-emergence on the pots with or without straw and with dry soil. At the first experiment, it was simulated a rainfall of 30 mm 1 day after application (DAA), and at the second experiment, the same quantity of rain was simulated 14 DAA. The association of sugarcane straw with the herbicide [hexazinone + diuron] does not alter its efficacy. However, the association of sugarcane atraw with imazapic increase the weed control. For the mesotrione herbicide, the late simulation of rainfall reduced I. triloba control. |
|---|