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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Anti-Phytophthora cinnamomi activity of Phlomis purpurea plant and root extracts
European Journal of Plant Pathology, Volume 138, No. 4, Year 2014
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Description
Phlomis purpurea (Lamiaceae), found in Quercus suber and Quercus ilex ssp. rotundifolia forest habitats in southern Portugal, is a non-host for the oomycete Phytophthora cinnamomi, the main biotic factor involved in cork oak and holm oak decline in the Iberian Peninsula. The effect of P. purpurea crude ethanol root extract was evaluated in vitro on P. cinnamomi mycelial growth, sporangial production, zoospore release and germination as well as on chlamydospore production and viability. The protection of cork oak against infection by the pathogen was also evaluated in planta. At 10 mg ml-1, in vitro inhibition of the pathogen structures was 85-100 %. In addition, P. purpurea plants were shown to protect Q. suber and Q. ilex from P. cinnamomi infection and to reduce the inoculum potential in glasshouse trials, indicating the ability to reduce root infection by the pathogen. The results suggest that P. purpurea has the potential to reduce disease spread and that their root extracts could provide candidate substances for control of the important pathogen, P. cinnamomi. © 2013 KNPV.
Authors & Co-Authors
Neves, Dina
Portugal, Faro
Universidade do Algarve
Caetano, Paula
Ethiopia
International Livestock Research Institute Ilri
Oliveira, Joana
Ireland, Cork
University College Cork
Maia, Cristiana
Portugal, Faro
Universidade do Algarve
Horta, Marília
Portugal, Faro
Universidade do Algarve
Sousa, Nelson
Portugal, Faro
Universidade do Algarve
Salgado, Marco
Sweden, Stockholm
Stockholms Universitet
Dionísio, Lídia Po Catalao
Portugal, Faro
Universidade do Algarve
Portugal, Evora
University of Évora
Magan, Naresh
United Kingdom, Cranfield
Cranfield University
Cravador, Alfredo
Portugal, Faro
Universidade do Algarve
Statistics
Citations: 10
Authors: 10
Affiliations: 6
Identifiers
Doi:
10.1007/s10658-013-0357-6
ISSN:
09291873