Shoot Dieback in Thornless Blackberries in Northern Spain Caused by Diaporthe rudis and Gnomoniopsis idaeicola
نویسندگان
چکیده
A cane disease of a non-commercial thornless blackberry cultivar (genus Rubus, subgenus Rubus Watson) obtained in breeding program was observed May 2021 northern Spain during field evaluation. Symptoms the appeared spring and firstly consisted dark-brown lesions petioles, tips, intermediate zones canes, finally causing leaves, lateral shoots to die. Two strains were recovered from infected canes identified by morphological characteristics multigene analysis as Gnomoniopsis idaeicola (LPPAF-977) Diaporthe rudis (LPPAF-981). Pathogenicity tests showed that both fungi caused shoot dieback when artificially inoculated, reproducing symptoms originally observed. Moreover, tissue necrosis enhanced co-inoculated. This is first report potentially serious blackberries Spain.
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ژورنال
عنوان ژورنال: Horticulturae
سال: 2023
ISSN: ['2311-7524']
DOI: https://doi.org/10.3390/horticulturae9090965