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| 2. |  | MIRANDA, F.R. de; CAVALCANTE, R.R.R.; RIBEIRO, E.M.; LIMA, R.N. de Uso de efluentes da carcinocultura na irrigação de Panicum maximum cvs. Tanzâna e Mombaça. Revista Ciência Agronômica, Fortaleza, CE, v. 41, n. 1, p. 46-52, jan./mar, 2010.| Biblioteca(s): Epagri-Sede. |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
09/04/2014 |
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Data da última atualização: |
09/04/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
WICKERT, E.; SOUZA, A.; PEREIRA, R. M.; KISHI, L. T.; LEMOS, E. G. M.; GOES, A. |
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Título: |
Molecular and Pathogenic Study of Guignardia spp. Isolates Associated to Different Hosts. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Advances in Microbiology, Delaware, USA, v. 4, p. 116-125, 2014. |
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Idioma: |
Português |
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Conteúdo: |
Fungi of Guignardia genus are commonly isolated from different plant species and most of the time, they are characterized as endophytes. However, some species of this genus, like G. citricarpa and G. psidii are known as causal agents of serious diseases that affect important crops such as Citrus Black Spot and guava fruit rot, re-spectively. They are also responsible for diseases that cause foliar spots in different fruit species and also in other crops, but cause minor damages. Despite evidences that G. mangiferae colonizes different plant species, there are few studies about its genetic diversity associated with different hosts. This work has the objective to characterize Guignardia isolates obtained from different hosts and tissues by RAPD, fAFLP and DNA sequence of ITS1-5.8S-ITS2 region, as well as to develop pathogenicity tests through cross inoculation in citrus and guava fruits. It was observed that molecular markers were able to discriminate isolates of different Guignardia species. Pathogenicity tests showed that G. citricarpa caused CBS symptoms on citrus fruits, but it did not produce any symptoms in guava fruits. G. mangiferae isolates were able to cause rot symptoms on guava fruits, but they have not produced any symptoms on citrus fruits. Guignardia isolates obtained from mango leaves that have not been classified in species have not presented any symptoms in citrus and guava fruits. Although G. mangiferae is com-monly isolated asymptomatically in different plants, this work supports the evidence that this species has a latent pathogen behavior, at least for guava plants. MenosFungi of Guignardia genus are commonly isolated from different plant species and most of the time, they are characterized as endophytes. However, some species of this genus, like G. citricarpa and G. psidii are known as causal agents of serious diseases that affect important crops such as Citrus Black Spot and guava fruit rot, re-spectively. They are also responsible for diseases that cause foliar spots in different fruit species and also in other crops, but cause minor damages. Despite evidences that G. mangiferae colonizes different plant species, there are few studies about its genetic diversity associated with different hosts. This work has the objective to characterize Guignardia isolates obtained from different hosts and tissues by RAPD, fAFLP and DNA sequence of ITS1-5.8S-ITS2 region, as well as to develop pathogenicity tests through cross inoculation in citrus and guava fruits. It was observed that molecular markers were able to discriminate isolates of different Guignardia species. Pathogenicity tests showed that G. citricarpa caused CBS symptoms on citrus fruits, but it did not produce any symptoms in guava fruits. G. mangiferae isolates were able to cause rot symptoms on guava fruits, but they have not produced any symptoms on citrus fruits. Guignardia isolates obtained from mango leaves that have not been classified in species have not presented any symptoms in citrus and guava fruits. Although G. mangiferae is com-monly isolated asymptomatically in different pla... Mostrar Tudo |
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Palavras-Chave: |
Endophytes; Fungi; Molecular Markers; Plant Disease. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02266naa a2200229 a 4500
001 1120531
005 2014-04-09
008 2014 bl uuuu u00u1 u #d
100 1 $aWICKERT, E.
245 $aMolecular and Pathogenic Study of Guignardia spp. Isolates Associated to Different Hosts.$h[electronic resource]
260 $c2014
520 $aFungi of Guignardia genus are commonly isolated from different plant species and most of the time, they are characterized as endophytes. However, some species of this genus, like G. citricarpa and G. psidii are known as causal agents of serious diseases that affect important crops such as Citrus Black Spot and guava fruit rot, re-spectively. They are also responsible for diseases that cause foliar spots in different fruit species and also in other crops, but cause minor damages. Despite evidences that G. mangiferae colonizes different plant species, there are few studies about its genetic diversity associated with different hosts. This work has the objective to characterize Guignardia isolates obtained from different hosts and tissues by RAPD, fAFLP and DNA sequence of ITS1-5.8S-ITS2 region, as well as to develop pathogenicity tests through cross inoculation in citrus and guava fruits. It was observed that molecular markers were able to discriminate isolates of different Guignardia species. Pathogenicity tests showed that G. citricarpa caused CBS symptoms on citrus fruits, but it did not produce any symptoms in guava fruits. G. mangiferae isolates were able to cause rot symptoms on guava fruits, but they have not produced any symptoms on citrus fruits. Guignardia isolates obtained from mango leaves that have not been classified in species have not presented any symptoms in citrus and guava fruits. Although G. mangiferae is com-monly isolated asymptomatically in different plants, this work supports the evidence that this species has a latent pathogen behavior, at least for guava plants.
653 $aEndophytes
653 $aFungi
653 $aMolecular Markers
653 $aPlant Disease
700 1 $aSOUZA, A.
700 1 $aPEREIRA, R. M.
700 1 $aKISHI, L. T.
700 1 $aLEMOS, E. G. M.
700 1 $aGOES, A.
773 $tAdvances in Microbiology, Delaware, USA$gv. 4, p. 116-125, 2014.
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