A new fennel fungal disease caused by a new genus and species—Ochraceocephala foeniculi, was observed for the first time in 2017 on 5% of the “Apollo” fennel cultivar grown in the sampled localities in Catania province, Italy. Now, it has spread to 2 more cultivars: “Narciso” and “Pompeo”, causing crop losses of around 20-30%. The new pathogen damages the fennel with necrotic lesions on the crown, root and stem.
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Source: Phys.org