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Phytochemical and antifungal activity of anthraquinones and root and leaf extracts of Coccoloba mollis on phytopathogens 52
Barros,Iuri Bezerra de; Daniel,Juliana Feijó de Souza; Pinto,Jurandir Pereira; Rezende,Maria Inês; Braz Filho,Raimundo; Ferreira,Dalva Trevisan.
The aim of this work was to study the phytochemical and antifungal activity of anthraquinones and root and leaf extracts of Coccoloba mollis on phytopathogens. The chemical analysis of ethanolic extracts showed a mixture of long-chain hydrocarbons, carboxyl esters and 3-taraxerone in the leaf extract. Two anthraquinones (emodin and physcion) were isolated and identified from the root extract. Phytochemical screening using the pharmacognostic methods revealed the presence of flavonoids and tannins in the leaves and roots. Anthraquinones were only found in the root extract, no alkaloids, coumarins, saponins and simple phenolics were present. The antifungal activity of C. mollis extracts and anthraquinones isolated from the root of this plant against...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antifungal; Phytochemical; Lasiodiplodia; Botryosphaeria; Coccoloba mollis.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132011000300015
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Species of Botryosphaeriaceae occurring on Proteaceae 16
Marincowitz, S.; Groenewald, J.Z.; Wingfield, M.J.; Crous, P.W..
The Botryosphaeriaceae includes several species that are serious canker and leaf pathogens of Pro-­ teaceae. In the present study, sequence data for the ITS nrDNA region were used in conjunction with morphological observations to resolve the taxonomy of species of Botryosphaeriaceae associated with Proteaceae. Neofusicoccum luteum was confirmed from Buckinghamia and Banksia in Australia, and on Protea cynaroides in South Africa. A major pathogen of Banksia coccinea in Australia was shown to be N. australe and not N. luteum as previously reported. Neofusicoccum protearum was previously reported on Proteaceae from Australia, Madeira, Portugal and South Africa, and is shown here to also occur in Hawaii and Tenerife (Canary Islands). Furthermore, several...
Tipo: Article / Letter to the editor Palavras-chave: Botryosphaeria; Fusicoccum; Neofusicoccum; Saccharata.
Ano: 2008 URL: http://www.repository.naturalis.nl/record/531627
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Botryosphaeriaceae from Eucalyptus plantations and adjacent plants in China 16
Li, G.Q.; Liu, F.F.; Li, J.Q.; Liu, Q.L.; Chen, S.F..
The Botryosphaeriaceae is a species-rich family that includes pathogens of a wide variety of plants, including species of Eucalyptus. Recently, during disease surveys in China, diseased samples associated with species of Botryosphaeriaceae were collected from plantation Eucalyptus and other plants, including Cunninghamina lanceolata, Dimocarpus longan, Melastoma sanguineum and Phoenix hanceana, which were growing adjacent to Eucalyptus. In addition, few samples from Araucaria cunninghamii and Cedrus deodara in two gardens were also included in this study. Disease symptoms observed mainly included stem canker, shoot and twig blight. In this study, 105 isolates of Botryosphaeriaceae were collected from six provinces, of which 81 isolates were from Eucalyptus...
Tipo: Article / Letter to the editor Palavras-chave: Botryosphaeria; Cophinforma; Lasiodiplodia; Neofusicoccum; Pathogenicity; Plant pathogen.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/639310
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