CONTROLE DE CRESTAMENTO BACTERIANO COMUM (XANTHOMONA. AXONOPODIS PV. PHASEOLI) E ALTERAÇÕES BIOQUÍMICAS EM FEIJOEIRO INDUZIDAS POR PYCNOPORUS SANGUINEUS
Arquivos do Instituto Biológico, ISSN: 0020-3653, Vol: 77, Issue: 1, Page: 99-110
2010
- 3Citations
- 10Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations3
- Citation Indexes3
- CrossRef3
- Captures10
- Readers10
- 10
Article Description
RESUMO O objetivo deste trabalho foi verificar as atividades antibacteriana e indutora de resistência de extratos de Pycnoporus sanguineus para controle do crestamento bacteriano comum, causado por Xanthomonas axonopodis pv. phaseoli, em feijoeiro. In vitro foram utilizados extratos aquosos de basidiocarpo, micélio e filtrado de cultura de P. sanguineus nas concentrações de 1, 5, 10, 15 e 20%, além das testemunhas água, acibenzolar-S-metil (ASM - 125 mg i.a. L-1) e antibiótico (22,5 mg L-1 de oxitetraciclina + 225 mg L-1 de estreptomicina). In vivo foram realizadas avaliações de severidade e atividade de peroxidase, polifenoloxidase, β-1,3 glucanase e fenilalanina amônia-liase, com o uso de extrato aquoso de micélio e de basidiocarpo e filtrado de cultura de P. sanguineus a 5% e 10%. Verificou-se atividade antibacteriana apenas para o filtrado de cultura em concentrações acima de 15% e para o extrato de basidiocarpo nas concentrações de 1 a 20%. In vivo, os resultados indicaram o potencial de extratos de basidiocarpos de P. sanguineus para o controle de X. axonopodis pv. phaseoli em feijoeiro, com redução média de 56% na severidade, o que pode ter ocorrido tanto por atividade antimicrobiana direta quanto por indução de resistência, envolvendo principalmente a ativação das enzimas de defesa vegetal peroxidase e polifenoloxidase.
Bibliographic Details
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572010000100099&tlng=pt; http://dx.doi.org/10.1590/1808-1657v77p0992010; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572010000100099&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1808-16572010000100099&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-16572010000100099; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1808-16572010000100099; https://dx.doi.org/10.1590/1808-1657v77p0992010; https://www.scielo.br/j/aib/a/ZNtBY6Yjr7HgVgDRFrDmZGN/?lang=pt
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