Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/46420
Título: Evaluation of p-benzoquinones derivatives as post-emergent plant growth inhibitor
Título(s) alternativo(s): Avaliação de derivados p-benzoquinonas como inibidores pós-emergentes do crescimento vegetal
Palavras-chave: Fluorescence of chlorophyll a
Herbicide
JIP-test
Photosystem II
Plant growth
Clorofila a
Herbicidas
JIP-teste
Fotossistema II
Crescimento de planta
Data do documento: Mai-2020
Editor: Brazilian Journals Publicações de Periódicos e Editora Ltda
Citação: LACERDA, J. W. F. et al. Evaluation of p-benzoquinones derivatives as post-emergent plant growth inhibitor. Brazilian Journal of Development, Curitiba, v. 6, n. 5, p. 32516-32530, mai. 2020. DOI: 10.34117/bjdv6n5-628.
Resumo: Eight p-benzoquinones derivatives (1-8) were synthesized and evaluated as photosynthesis and plant growth (dry biomass) inhibitors through semi in vivo and in vivo assay. The photosynthetic parameters provided by the JIP-test were based on the major steps of the photosynthetic process: photon absorption (ABS), energy capture (TR), electron transport (ET) and reduction of photosystem II (PS II) final acceptors (RE). Compounds 6, 7 and 8 decresead the PI(abs) parameter by 82, 75, 42% and incresead the ET0/CS0 parameter by 37, 20 and 25%, respectively. These results suggested that 6-8 inhibit the electron transport chain at PS II in both semi in vivo and in vivo assays. Futhermore, compounds 6 and 7 reduced the plant growth by 52 and 77%, respectively. Therefore, the derivatives of p-benzoquinone not only demonstrated appreciable activity as inhibitors of photosynthesis by acting on the electron transport chain on the acceptor side of PS II, but also inhibit the plant growth.
URI: https://doi.org/10.34117/bjdv6n5-628
http://repositorio.ufla.br/jspui/handle/1/46420
Aparece nas coleções:DQI - Artigos publicados em periódicos

Arquivos associados a este item:
Não existem arquivos associados a este item.


Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.