Pseudomonas syringae pv. actinidiae(PSDMAK)
Photos
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Brown spots surrounded by yellow haloes are visible in spring on kiwifruit leaves.
Courtesy: Plant Protection Service of Emilia-Romagna region (IT).
In spring, vine branches and trunks affected by Pseudomonas syringae pv. actinidiae show cankers which usually ooze red exudates.
Courtesy: Plant Protection Service of Emilia-Romagna region (IT).
Browning of tissue under the cortex of vine branches (Actinidia chinensis).
Courtesy: Plant Protection Service of Emilia-Romagna region (IT).
Morphology of colonies grown for 5 days on King’s medium B, supplemented with antibiotics
Courtesy: E. Stefani, Dept. of Life Sciences, Reggio Emilia (IT)
Morphology of colonies grown for 5 days on NSA medium, supplemented with antibiotics
Courtesy: E. Stefani, Dept. of Life Sciences, Reggio Emilia (IT)
Bacterial exudate oozing from infected actinidia twig
Courtesy: Riccardo Bugiani (Plant Protection Service - Emilia-Romagna Region - IT)
Bacterial ooze due to infection on kiwiplant
Courtesy: Riccardo Bugiani (Plant Protection Service - Emilia-Romagna Region - IT)
Bacterial exudate oozing from infected actinidia twigs
Courtesy: Riccardo Bugiani (Plant Protection Service - Emilia-Romagna Region - IT)
Colonization of vascular tissues by Pseudomonas syringae pv. actinidiae can result in foliar wilting at the beginning of the season (A. chinensis cv. Hort 16 A).
Courtesy: Plant Protection Service of Emilia-Romagna region (IT).