An erect, thornless, large-fruited, high-quality blackberry for fresh market. Origin: Fayetteville, Ark., by J.R. Clark and J.N. Moore, Univ. of Arkansas. Ark. 1007 × Navaho; cross made in 1988; selected in 1991; tested as Ark. 1798; introd. in 1999. USPP 11,865; 8 May 2001. Tree: erect canes; vigorous; thorn-less; productive, exceeding that of Arapaho or Navaho; blooms 2–3 days before Navaho; winter hardy in trials in Arkansas; moderately resistant to anthracnose (Elsinoe veneta); reaction to rosette (Cercosporella rubi) and orange rust (Gymnoconia nitens) is unknown. Fruit: very large (8-10 g); firm, but do not store as well as Navaho but superior in storage compared to Shawnee; attractive and glossy; excellent flavor; soluble solids 10.7%; fresh seed weight 12.6 mg; ripens 5 days after Navaho.
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