PRI Disease Resistant Apple Breeding Program

 
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
 

Co-op 31

Co-op Release Description

This selection matures from October 10 to October 15 at Lafayette, Indiana, about six weeks after 'Prima'. Fruit 2 3/8 to 3 inches, round. Color is 100 percent dark purple-red, striped and splashed over a greenish yellow background. The finish is moderate to bright and tends to have scarfy skin. Flesh cream colored, medium to coarse textured, very crisp, and juicy. Mildly acidic, spicy, and full flavored. Co-op 31 blooms in mid-season. Dessert quality is very good. Field immune to scab with good resistance to fire blight and moderate resistance to mildew, it is moderately susceptible to cedar rust. Co-op 31 retains its quality after about eight or nine months in storage at 34°F (1°C). First selected by D.F. Dayton and tested as PAR4T215.

Source:
S.S. Korban, P.A. O'Connor, S.M. Ries, Jules Janick, J.A. Crosby, and P.C. Pecknold. 1990. Co-op 27, 28, 29, 30, and 31: Five disease-resistant apple selections released for advanced testing. Illinois A.E.S. Sta. Bul. 789.

Co-op 31

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Co-op Bloom Date


Brief Description
Co-op Release Description


Pedigree of Co-op 31

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