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Physiological responses of cork oak and holm oak to infection by fungal pathogens involved in oak decline

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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DOI: 10.1111/j.1439-0329.2008.00579.x

Abstract

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.

Item Type:Article
ID Code:1712
Status:Published
Refereed:Yes
Uncontrolled Keywords:Quercus suber L., Quercus ilex L., Apiognomonia quercina, Biscogniauxia mediterranea, Botryosphaeria corticola, Pleurophoma cava, fungal pathogens
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/03 Arboricoltura generale e coltivazioni arboree
Area 07 - Scienze agrarie e veterinarie > AGR/12 Patologia vegetale
Divisions:001 Università di Sassari > 01 Dipartimenti > Economia e sistemi arborei
001 Università di Sassari > 01 Dipartimenti > Protezione delle piante
Publisher:Blackwell / Wiley
eISSN:1439-0329
Additional Information:Pubblicato online il 2 gennaio 2009.
Deposited On:18 Aug 2009 10:05

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