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 11

(PRI 1947-104 = 111. #2 ('Winesap' op.) x PRI 1042-100) (Williams et al. 1972)

Brief Description

  • Fruit: 70 to 76 mm (2-3/4 to 3 in.); conic to long conic with pronounced calyx end points; yellow ground color, bright finish; slightly striped, slightly splashed, 75 to 95% medium red, attractive; medium grained, pale yellow colored, crisp and breaking tough flesh; mildly sub-acid, slightly spicy and full rich flavor, juicy. Flavor is fair at harvest, maturing to good after a month of storage. Fruit hangs on the tree very well.
  • Season of Maturity: Two weeks after 'Delicious'.
  • Tree: Moderately vigorous, slightly upright, thin branched, very sparse cropping.
  • Disease Resistance: Field immune to apple scab; moderately susceptible to powdery mildew; highly resistant to cedar-apple rust; resistant to fire blight.
  • Problems: Sparse cropping; tough flesh texture; thin but tough skin; astringency and slight bitterness at harvest; susceptible to fruit storage scald.
  • General Recommendation: Problems too severe for further consideration. Discarded at Lafayette.
Co-op 11

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