Ascospora Dieback
Seimatosporium lichenicola
14 host plants
Last updated
Data Coverage 3 of 6 dimensions
Young shoots blacken and die back as cankers form on limbs, reducing vigor. This fungal disease affects stressed plants. Improve growing conditions and remove affected shoots promptly.
Practice clean cultivation in the growing season. Practice early season primocane control. Remove infected material promptly and improve growing conditions to limit pathogen spread. Good sanitation, adequate spacing, and proper irrigation practices reduce disease pressure over time.
Quick Reference
Causal Agent
Seimatosporium lichenicola
Host Plants
14
Management
Cultural Controls
- Practice clean cultivation in the growing season.
- Practice early season primocane control.
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