Principali patogeni e difesa
Author(s)
Iannotta, N.
Loconsole, G.
Noce, M.E.
Saponari, M.
Savino, V. N.
Date Issued
March 2012
Type
book
Abstract
Olive as other woody perennial crops can be affected by several systemic pathogens, including bacteria, fungi and several vector-borne viruses. The most important olive diseases, caused by different pathogens, are described in this text. Pathogen biology, diagnostic technique and control strategies are reported for each disease. The main and widespread bacterial disease, caused by Pseudomonas savastanoi pv. savastanoi, is the olive knot. As concerns the most important and widespread fungal diseases, in this text are described the olive leaf spot, Verticillum wilt, cercosporiosis, anthracnose, fruit rot, parasitic brusca, root rot, sooty mold and wood rot. Infections caused by viruses are generally symptomless and do not result in diseased plants. Although, viruses do not cause detrimental disease on olive varieties, the infected olive trees represent a reservoir of virus inoculum for other crops, where these viruses are known to cause severe disease. Detection of these viruses represent an important critical step in the sanitary improvement of this crop. Recently, molecularbased assays have been effectively implemented to detect at least 8 of the 15 viruses known to infect this crop. Sanitation program using in vitro
culture of shoot tip and thermotherapy have been recently described to recover virus-free plantlets.
Additional information
Realizzato nell'ambito del progetto "Ricerca ed Innovazione per l'Olivicoltura Meridionale", finanziato dal MiPAAF
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Sponsor(s)
MiPAAF - Ministero delle politiche agricole alimentari e forestali