Blackberry Cultivars Differ in Susceptibility to Rosette Disease
DOI:
https://doi.org/10.71318/apom.1995.49.4.235Abstract
Rosette, incited by Cercosporella rubi(G. Wint.) Plakidas, is the most important disease of cultivated blackberries ( Rubusspp.) in the southern United States. A field test evaluated sixteen blackberry cultivars and breeding selections over a three year period for incidence and severity of rosette. 'Shawnee' and 'Rosborough' had high incidence and severity. Cultivars and selections with moderate-high incidence and low-moderate severity were 'Brazos,' 'Cheyenne,' 'Choctaw,' A-1260, A-1442, A-1560, and A-1585. Cultivars and selections with zero-low incidence and severity were 'Arapaho,' 'Humble,' 'Navaho,' A-1374, A-1594, A-1616, and A-1617.
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