La drosophila suzukii, il moscerino che attacca la frutta, in particolar modo l’uva, ha ripreso la sua attività dopo una stagione, durante la quale era quasi sparito grazie alle temperature estive elevate.
Lo comunica il servizio fitosanitario del Cantone che precisa come da alcuni giorni siano aumentati i focolai, soprattutto nel Sopraceneri. La presenza del parassita è stata infatti notata in particolar modo nei grappoli dove gli acini sono già stati rovinati da vespe, altri parassiti o dalle ultime precipitazioni.
Il clima attuale, a pochi giorni dall’inizio della vendemmia, rende favorevole l’ulteriore sviluppo dell’insetto. Per far fronte alla situazione è stato autorizzato in tutto il cantone l’utilizzo di prodotti omologati con l’accordo delle cantine acquirenti.
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