Branch cankers and dieback were observed on silky-oak trees (Grevillea robusta) along some streets of Palermo (Sicily, Italy). Fungi isolated from symptomatic branches were identified as Diplodia africana and D. seriata by morphological characters and phylogenetic analyses of combined ITS and translation elongation factor 1-α sequences. Pathogenicity was verified by inoculating twigs of 3-y-old silky-oak plants. This is the first report of D. africana on G. robusta and the first record of D. seriata on this host in the northern hemisphere.
Giambra, S., Venturella, G., Burruano, S., Gargano, M.L. (2019). First report of Diplodia africana on Grevillea robusta. PHYTOPATHOLOGIA MEDITERRANEA, 58(3), 671-677 [10.14601/Phyto-10745].
First report of Diplodia africana on Grevillea robusta
Giambra, S
Membro del Collaboration Group
;Venturella, GMembro del Collaboration Group
;Burruano, SMembro del Collaboration Group
;
2019-01-01
Abstract
Branch cankers and dieback were observed on silky-oak trees (Grevillea robusta) along some streets of Palermo (Sicily, Italy). Fungi isolated from symptomatic branches were identified as Diplodia africana and D. seriata by morphological characters and phylogenetic analyses of combined ITS and translation elongation factor 1-α sequences. Pathogenicity was verified by inoculating twigs of 3-y-old silky-oak plants. This is the first report of D. africana on G. robusta and the first record of D. seriata on this host in the northern hemisphere.
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