Origin: in West Lafayette, Ind., by a cooperative breeding program consisting of Agr. Expt. Stations of Oregon (S.A. Mehlenbacher and M.M. Thompson), Purdue Univ. (E.B. Williams, J. Janick, and F.H. Emerson), Univ. of Illinois (S.S. Korban and D.F. Dayton) and Rutgers Univ. (L.F. Hough and C. Bailey). USPP 4724; 26 May 1981; assigned to Carlton Plants, Dayton, Ore. McIntosh × PRI 612-4. Ancestry includes Starking (giant limb) and Golden Delicious; this is a fifth-generation derivative of C.S. Crandall’s Rome Beauty × M. floribunda 821 cross. Selected in 1970; tested as PRI 1773-8. Named in honor of late J.R. Shay, cofounder of the PRI program. Tree: vigorous; upright; annual cropping; field immune to apple scab (Vf gene); leaves, but not fruit, susceptible to powdery mildew. Flowers after McIntosh, before Rome Beauty; pollen viable. Fruit: medium, 65 mm in diam.; round-conic; skin currant-red on uranium-green ground color, smooth, thin, no russet; flesh chartreuse-green, fine-grained, juicy; flavor mildly subacid; quality very good. Ripens 2 weeks before Jonathan; stores 2 to 3 months at lC in air.
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