Cotoneaster  - Disease information and Management Recommendations.

HOST PLANT DISEASE SYMPTOMS MANAGEMENT Cotoneaster  Cotoneaster spp. Fireblight, Erwinia amylovora Symptoms similar to crabapple; blackening and dieback of succulent tissues. Shepherd’s crooking. Dead leaves remain on branch. Cankering common. Remove infected parts with sterilized tools when plants are dry. Make proper pruning cuts 8-10” below infected tissue. Limit fertilizer use, esp. nitrogen. CHEMICAL: Fixed coppers (can be phytotoxic).

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