Survival of FUngi Associated with Grapevine Decline in Pruned Wood after Composting

P. Lecomte, G. Louvet, B. Vacher, P. Guilbaud


Recycling vine wood pruned in winter in the vineyard, after grinding and composting, might pose a risk of
recontamination with fungi associated with grapevine decline. The survival of four ascomycete fungi (Botryosphaeria
obtusa, Phaeomoniella chlamydospora, Phaeoacremonium aleophilum and Eutypa lata) in composted material was
investigated in a 3-year study conducted in the Bordeaux area. Naturally and artificially infested material was
examined before and after composting using classical isolation procedures. Results clearly showed that a composting
process can eradicate the four target fungi efficiently.

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