Linaldeddu, Benedetto Teodoro and Sirca, Costantino Battista and Spano, Donatella Emma Ignazia and Franceschini, Antonio (2009) Physiological responses of cork oak and holm oak to infection by fungal pathogens involved in oak decline. Forest Pathology , p. 1-7. eISSN 1439-0329. Article.
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The aim of this research was to study the changes in net photosynthesis and stomatal conductance values in 3-year-old cork oak and holm oak seedlings growing in natural conditions and inoculated with Apiognomonia quercina, Biscogniauxia mediterranea, Botryosphaeria corticola and Pleurophoma cava. Throughout the 4-month experimental period, the evolution of visual external symptoms and the values of physiological variables were periodically recorded. All pathogens caused stem lesions around the infection point; however, the lesions caused by B. corticola were longer in both oak species. On cork oak seedlings, all pathogens induced a significant and gradual reduction in net photosynthesis and stomatal conductance values, whereas other physiological disturbances were induced only by B. corticola infections on holm oak seedlings.
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