Well-known bacterial and fungal diseases affecting walnut trees represent a limiting factor in intensively cultivated areas. Nowadays, the most important bacterial and fungal diseases are: the bacterial blight, caused by Xanthomonas arboricola pv juglandis, and the anthracnose, caused by the ascomycete Marssonina juglandis (teleomorph: Gnomonia leptostyla). Other well-known diseases, although of minor impact, are the shallow bark necrosis caused by the Gram-negative rod Brenneria nigrifluens, the Armillaria root rot, caused by the basidiomycete Armillaria mellea and the crown and root rot, caused by a few oomycetes belonging to the genus Phytophthora. Two more diseases appear to be a possible future threat in walnut production: the blackline disease, caused by the Cherry Leaf Roll Virus (CLRV) and the thousand cankers disease, caused by Geosmithia morbida, a fungus that is disseminated by the walnut twig beetle, Pityophthorus juglandis.
Le principali malattie del noce da frutto: aspetti epidemiologici e tecniche di controllo / Stefani, Emilio; Altin, Irem. - 1:(2019), pp. 89-104. (Intervento presentato al convegno Nocicoltura da frutto: innovazione e sostenibilità tenutosi a Bologna (Italia) nel 20-21 Settembre 2019) [10.6092/unibo/amsacta/6228].
Le principali malattie del noce da frutto: aspetti epidemiologici e tecniche di controllo
Stefani, Emilio;
2019
Abstract
Well-known bacterial and fungal diseases affecting walnut trees represent a limiting factor in intensively cultivated areas. Nowadays, the most important bacterial and fungal diseases are: the bacterial blight, caused by Xanthomonas arboricola pv juglandis, and the anthracnose, caused by the ascomycete Marssonina juglandis (teleomorph: Gnomonia leptostyla). Other well-known diseases, although of minor impact, are the shallow bark necrosis caused by the Gram-negative rod Brenneria nigrifluens, the Armillaria root rot, caused by the basidiomycete Armillaria mellea and the crown and root rot, caused by a few oomycetes belonging to the genus Phytophthora. Two more diseases appear to be a possible future threat in walnut production: the blackline disease, caused by the Cherry Leaf Roll Virus (CLRV) and the thousand cankers disease, caused by Geosmithia morbida, a fungus that is disseminated by the walnut twig beetle, Pityophthorus juglandis.File | Dimensione | Formato | |
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