Molecular methods for identification of pathogenic factors associated with ink disease of chestnut
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resumo
The culture of the chestnut tree is extremely important in the northern region of
Portugal, occupying a significant proportion of useful agricultural area. The annual average
chestnut production in Portugal can reach 20 000 tons. New plantation areas have increased in
the last few decades. However the ink disease caused by the oomycete Phytophthora
cinnamomi has damage and killed many trees and up to now no concrete solutions have been
offered to control the illness. As a consequence, the disease propagation in the orchards of
chestnut trees has been causing severe productivity and yield breaks. tn addition to the
economical losses, the importance of sociological and landscape aspects for the region cannot be neglected.
