First Report of Shot-Hole on Flowering Cherry Caused by Burkholderia contaminans and Pseudomonas syringae pv. syringae

Shot-hole disease (SH) is one of the most common and important diseases affecting flowering cherry (FC; Prunus × yedoensis Matsumura; Somei-yoshino) trees in South Korea every year, resulting in premature defoliation and reduced flowering in the following year. However, pathogens associated with the...

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Veröffentlicht in:Plant disease. - 1997. - 105(2021), 12 vom: 18. Dez., Seite 3795-3802
1. Verfasser: Han, Viet-Cuong (VerfasserIn)
Weitere Verfasser: Yu, Nan Hee, Park, Ae Ran, Yoon, Hyeokjun, Son, Youn Kyoung, Lee, Byoung-Hee, Kim, Jin-Cheol
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Burkholderia contaminans Prunus Pseudomonas syringae pv. syringae Xanthomonas arboricola pv. pruni biofilm flowering cherry leaf spot shot-hole
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520 |a Shot-hole disease (SH) is one of the most common and important diseases affecting flowering cherry (FC; Prunus × yedoensis Matsumura; Somei-yoshino) trees in South Korea every year, resulting in premature defoliation and reduced flowering in the following year. However, pathogens associated with the disease remain unknown, which has rendered disease management challenging. Here, the pathogens associated with SH, their biochemical characteristics, and their host range were elucidated. Detached-leaf and in planta assays revealed that two biofilm-forming bacteria-namely, Burkholderia contaminans and Pseudomonas syringae pv. syringae-caused SH of FC trees. These pathogens were recorded for the first time as the causes of SH of FC trees in South Korea. Additionally, the two pathogens induced similar disease symptoms in several stone fruit belonging to the genus Prunus, including peach (Prunus persica), plum (P. salicina), and apricot (P. mume), with peach being the most susceptible. These results indicate that B. contaminans and P. syringae pv. syringae caused SH on FC trees and presented a broad spectrum of hosts. Furthermore, Xanthomonas arboricola pv. pruni, the causative agent of leaf spot on stone fruit, incited brown spots and shot holes on FC leaves. Therefore, FC trees are susceptible to infections by various pathogenic bacteria, including B. contaminans, P. syringae pv. syringae, and X. arboricola pv. pruni. These findings will be of great importance as a reference for effective management of SH in the face of possible cross-infection between Prunus spp. in the future 
650 4 |a Journal Article 
650 4 |a Burkholderia contaminans 
650 4 |a Prunus 
650 4 |a Pseudomonas syringae pv. syringae 
650 4 |a Xanthomonas arboricola pv. pruni 
650 4 |a biofilm 
650 4 |a flowering cherry 
650 4 |a leaf spot 
650 4 |a shot-hole 
700 1 |a Yu, Nan Hee  |e verfasserin  |4 aut 
700 1 |a Park, Ae Ran  |e verfasserin  |4 aut 
700 1 |a Yoon, Hyeokjun  |e verfasserin  |4 aut 
700 1 |a Son, Youn Kyoung  |e verfasserin  |4 aut 
700 1 |a Lee, Byoung-Hee  |e verfasserin  |4 aut 
700 1 |a Kim, Jin-Cheol  |e verfasserin  |4 aut 
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773 1 8 |g volume:105  |g year:2021  |g number:12  |g day:18  |g month:12  |g pages:3795-3802 
856 4 0 |u http://dx.doi.org/10.1094/PDIS-03-21-0547-SC  |3 Volltext 
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