Pseudomonas Blight
Pseudomonas syringae pv. syringae
14 host plants
Last updated
Data Coverage 3 of 6 dimensions
Pseudomonas blight causes blighting and dieback of shoots and foliage during cool, wet conditions. This bacterial disease spreads through water splash and contaminated tools. Remove infected branches and disinfect tools. Improve air circulation through pruning. Avoid overhead watering and reduce leaf wetness. Apply copper fungicides preventively if needed. This blight is most damaging during cool, wet springs when flower and shoot development is rapid. Monitor plants closely during vulnerable periods.
Avoid excessive and/or late fertilization. Plant resistant cultivars such as Chilcotin, Newburgh, or Nova.
Quick Reference
Causal Agent
Pseudomonas syringae pv. syringae
Host Plants
14
Management
Cultural Controls
- Avoid excessive and/or late fertilization.
- Plant resistant cultivars such as Chilcotin, Newburgh, or Nova.
Host Plants (14)
Rubus allegheniensis Allegheny Blackberry Rubus armeniacus Himalayan Blackberry Armenian Blackberry Rubus calycinoides Crinkle-leaf Creeper Creeping Raspberry Yü-shan raspberry Rubus dicolor Himalayan Blackberry Armenian Blackberry Rubus hayata Rubus hayata Rubus laciniatus Evergreen Blackberry Cutleaf Blackberry Rubus leucodermis Blackcap, Western Raspberry Rubus lineatus Silky-leaved Berry Rubus odoratus Flowering Raspberry Purple-flowering Raspberry Rubus parviflorus Thimbleberry Western Thimbleberry Rubus rolfei Creeping Raspberry, Crinkle-leaf Creeper Rubus spectabilis Salmonberry Rubus tricolor Creeping Bramble Korean Raspberry Rubus ursinus Trailing Blackberry Western Blackberry California Blackberry Dewberry