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 10

(PRI 1659-10 = 'Starking 'Delicious' x PRI 610-2) (Williams et al. 1972) U.S. Plant Patent No. 4,321

Brief Description

  • Fruit: 70 to 76 mm or more (2-3/4 to 3+ in.); conic with pronounced calyx end points; very bright finish; bright red blushed 100% self yellow to pale-yellow, very attractive; very smooth, non-russeted skin; totally inconspicuous lenticels; medium grained, cream to pale yellow colored, firm to crisp, slightly tender flesh; sweet to mildly sub-acid, bland, slightly spicy flavor, juicy. Flavor and quality similar to, but less than 'Delicious'. Softens and becomes mealy in storage.
  • Season of Maturity: With 'Delicious'.
  • Tree: Moderately vigorous, strong, thick, heavily spurred branches with 90 degree crotch angles, excellent growth habit.
  • Disease Resistance: Field immune to apple scab; moderately resistant to powdery mildew; highly resistant to cedar-apple rust; moderately resistant to fire blight.
  • Problems: Bland, insufficient flavor; tender flesh, alternate bearing, extremely heavy fruit drop, inadequate storage life for the season. Highly susceptible to leaf bronzing damage by the European red mite Panonychus ulmi (Koch.).
  • General Recommendation: Problems too severe for further consideration. Discarded at Lafayette.
Co-op 10

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