ISHS Acta Horticulturae 262: V International Symposium on Rubus & Ribes
CANE CANKER DISEASES OF THORNLESS BLACKBERRY IN EASTERN UNITED STATES |
| Authors: | John L. Maas, Gene J. Galletta, M. A. Ellis |
| Abstract:
Several cultivars of thornless blackberry (Rubus spp. hybrids, subgenus Eubatus) are grown in the eastern United States in commercial and home plantings. The potential of these cultivars in terms of yield and fruit quality is great, however, stem or cane disease may weaken or kill individual canes. Yields may be considerably reduced, and, in severe cases, entire plantings may be destroyed. Several of the commonly occurring cane diseases of thornless blackberry are reviewed and discussed in terms of their potential threat to the eastern U.S. thornless blackberry culture. The fungi causing the cane disease discussed are Botryosphaeria dothidea (=B. ribis), Botryosphaeria obtusa, Leptosphaeria coniothyrium, Gnomonia rubi, and Glomerella cingulata. | |
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