Publicação
Espécies de Colletotrichum responsáveis pela gafa da oliveira em Portugal
| Resumo: | Olive anthracnose caused by Colletotrichum spp. is a disease currently becoming important in the Mediterranean region. In Portugal, the disease is responsible for important olive yield loss and poor oil quality. The objectives of this work were to establish a collection of Colletotrichum spp. isolates representing the causal agents of this disease in Portugal, as well as analyse the genotypic and phenotypic diversity at the species level. A total of 40 isolates were obtained representing 18 locations in the south and centre of the country. This collection was analysed according to different parameters: morphology (shape and size of conidia), culture (growth rate on PDA medium, colony characteristics and response to benomyl), pathogenicity and virulence (in olives and other hosts) and molecular data (rDNA ITS species- specific primers). The species C. acutatum was more commonly isolated from olives, but C. gloeosporioides was also identified |
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| Autores principais: | Oliveira, Helena |
| Outros Autores: | Talhinhas, P.; Ferreira, P. |
| Assunto: | colletotrichum acutatum colletotrichum gloeosporioides olea europaea diversidade genetica olive anthracnose gafa da azeitona genetic diversity |
| Ano: | 2003 |
| País: | Portugal |
| Tipo de documento: | documento de conferência |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade de Lisboa |
| Idioma: | português |
| Origem: | Repositório da Universidade de Lisboa |
| Resumo: | Olive anthracnose caused by Colletotrichum spp. is a disease currently becoming important in the Mediterranean region. In Portugal, the disease is responsible for important olive yield loss and poor oil quality. The objectives of this work were to establish a collection of Colletotrichum spp. isolates representing the causal agents of this disease in Portugal, as well as analyse the genotypic and phenotypic diversity at the species level. A total of 40 isolates were obtained representing 18 locations in the south and centre of the country. This collection was analysed according to different parameters: morphology (shape and size of conidia), culture (growth rate on PDA medium, colony characteristics and response to benomyl), pathogenicity and virulence (in olives and other hosts) and molecular data (rDNA ITS species- specific primers). The species C. acutatum was more commonly isolated from olives, but C. gloeosporioides was also identified |
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