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 27

Co-op Release Description

This selection ripens from October 5 to October 10 at Urbana, Illinois, about five weeks after 'Prima'. Fruit 2 1/2 to 3 inches, round to roundish oblate. Color 90 percent medium to dark red, splashed over a pale yellow ground color. Flesh cream colored, fine grained, firm to crisp, and juicy. Mildly to sprightly acidic, spicy, and full flavored. Dessert quality is good to very good. Co-op 27 keeps well in refrigerated storage until late spring. Field immune to scab and cedar rust, Co-op 27 has a high level of resistance to fire blight and moderate resistance to mildew. Its spur-type growth pattern is similar in habit to that of 'Red Delicious' strains, and it blooms moderately early First selected by D.F. Dayton and tested as PWR37T131.

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 27

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Co-op Summary Table
Co-op Bloom Date


Brief Description
Co-op Release Description


Pedigree of Co-op 27

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