Favored by the humidity of the air and by the scarce aeration , it mainly affects vegetative apexes, in particular in conditions of high temperatures and high humidity .
Preventive actions : remove the fallen leaves at the base of the plants, limit nitrogen fertilizations, use products based on wettable sulfur at intervals of 10 days. Choose resistant varieties.
Curative actions : use systemic products (eg triazoles, sulfur) taking care to nebulize the dry vegetation and when the sun goes down. The use of systemic products is limited to a few interventions during the season in order not to favor resistance phenomena.
Discover our most disease resistant varieties:
Floribunda or Rosai a Bunches