Thorny, primocane-fruiting, erect black-berry recommended for home garden use. Origin: University of Arkansas Division of Agriculture, Fayetteville, AR by J.R. Clark. Prime-Jim (APF-12) × Arapaho; crossed 2001; selected 2003; tested as APF-77; introd. 2010; USPP 24,249; 18 Feb. 2014. Tree: erect; thorny; primocane fruiting; vigorous; limited anthracnose (Elsinoe veneta) and no orange rust (Gymnoconia nitens) observed; floricanes hardy to –17 C or possibly lower temperatures; productive with high yield potential on floricanes and good primocane productivity in moderate summer temperature climates; has been observed to have more heat tolerance in primocane fruiting than Prime-Jim and Prime-Jan in Arkansas. Fruit: conical to round; large, 7–8 g; uniform drupelet size; attractive; good flavor; soluble solids usually 10 °Brix or more; pH 3.5, titratable acidity 5.0 g·L–1; ripens early on floricanes, in early June in Arkansas, near APF-45 (Prime-Ark 45); on primocanes ripens early, mid July in Arkansas and later in cooler locations and can fruit until frost; fruit not recommended for shipping as storage potential is limited for postharvest handling for multiple days, but should be suitable for home garden or local market use.
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