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dc.contributor.authorOliveira, Leandro-
dc.contributor.authorMarques, Ricardo Fagundes-
dc.contributor.authorSilva Júnior, Antonio Carlos da-
dc.contributor.authorMarchi, Sidnei Roberto de-
dc.contributor.authorMartins, Dagoberto-
dc.date.accessioned2022-10-25T14:25:15Z-
dc.date.available2022-10-25T14:25:15Z-
dc.date.issued2022-08-29-
dc.identifier.citationOliveira, Leandro et al. Selectivity of herbicides applied to Brazilian tree species at post-emergence. Arquivos do Instituto Biológico. 2022, v. 89, e00142021, https://doi.org/10.1590/1808-1657000142021pt_BR
dc.identifier.issn1808-1657pt_BR
dc.identifier.urihttp://repositoriobiologico.com.br//jspui/handle/123456789/1124-
dc.descriptionIt is estimated that Brazil has about 21 million hectares with a deficit of native vegetation in areas of permanent preservation and legal reserve (OLIVEIRA et al., 2019). For this reason, the recovery of these areas has been considered a priority, given the serious environmental damage resulting from anthropic actions on natural ecosystems (NUNES et al., 2015).pt_BR
dc.description.abstractThe presence of weeds in silvicultural systems has been considered one of the main obstacles to the success of projects designed to recover degraded areas. The aim of this study was to evaluate the selectivity of herbicides applied at post-emergence in the initial growth of seedlings of capixingui (Croton floribundus), açoita-cavalo (Luehea divaricata), and guaritá (Astronium graveolens), in the municipalities of Jaboticabal and Junqueirópolis, state of São Paulo. The experimental design was completely randomized, with four replications, and the treatments consisted of herbicides (g a.i.·ha–1) clethodim + phenoxaprop-p-ethyl (50 + 50), sethoxydim (184), quizalofop-p-ethyl (75), nicosulfuron (50), fluazifop-p-butyl (125), fomesafen (225), haloxyfop-methyl (48), bentazon (720), chlorimuron-ethyl (15), in addition to control without herbicide. The characteristics analyzed were: plant height increase and visual phytointoxication at 7, 14, 21, 28, 35, and 42 days after herbicide application. At the end of the experiment, the shoots of the plants were removed to assess shoot dry matter. The herbicides clethodim + fenoxaprop-p-ethyl, fluazifop-p-butyl, and quizalofop-p-ethyl showed selective potential for the species capixingui, açoita-cavalo, and guaritá. The herbicide chlorimuron-ethyl caused mild intoxication symptoms when applied to seedlings of capixingui and açoita-cavalo; also, it was not selective for the guaritá species grown in Jaboticabal. All species showed selectivity to the herbicides sethoxydim, fomesafen, haloxyfop-methyl, and nicosulfuron, as their growth and initial development were not influenced. The herbicide bentazon caused high percentages of injury to açoita-cavalo plants in both cultivation places, but it did not influence the growth and development of the species.pt_BR
dc.language.isoen_USpt_BR
dc.subjectALS inhibitorspt_BR
dc.subjectBrazilpt_BR
dc.subjectTolerancept_BR
dc.subjectWeed interferencept_BR
dc.titleSelectivity of herbicides applied to Brazilian tree species at post-emergencept_BR
dc.identifier.doi10.1590/1808-1657000142021pt_BR
dc.description.editoraInstituto Biológicopt_BR
dc.description.localdapublicacaoSão Paulopt_BR
dc.identifier.tipoAbertopt_BR
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