Co-op 1
Prima
Co-op 3
Priscilla
Sir Prize
Co-op 6
Co-op 7
Co-op 8
Co-op 9
Co-op 10
Co-op 11
Co-op 12
Redfree
Co-op 14
Co-op 15
Co-op 16
Co-op 17
Co-op 18
Co-op 19
Co-op 20
Dayton
Jonafree
Williams' Pride
Co-op 24
Scarlett O'Hara
Co-op 26
Co-op 27
Co-op 28
Sundance
Enterprise
WineCrisp
Pristine
Pixie Crunch
Co-op 34
Co-op 35
Co-op 36
Co-op 37
GoldRush
CrimsonCrisp
Co-op 40
Co-op 41
Co-op 42
Juliet
Co-op 44
Priam
McShay
Dayton
Co-op 21
Co-op Release Description
Matures September 1-5 at Urbana, Illinois (with 'Prima'). Fruit 2 3/4 inches roundish oblate. Color 90 percent washed medium red on yellow ground. Skin smooth, glossy, and attractive. Flesh yellowish, fine grained, crisp to slightly breaking, juicy. Flavor sub-acid to mild. Dessert quality very good. Field-immune to scab, slightly susceptible to mildew; no fireblight or cedar rust observed on tree.
Source:
D.F. Dayton, E.B. Williams, Jules Janick, F.H. Emerson, L.F. Hough, and Catherine Bailey. 1977. Co-op 19, 20, 21, and 22: Four scab-resistant apple selections released for advanced testing. Illinois A.E.S. Sta. Bul. 755.
About PRI
Co-op Summary Table
Co-op Bloom Date
Brief Description
Co-op Release Description
Cultivar Release Description
