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 9

(PRI 1677-2 = 'Starking Delicious' x PRI 877-2) (Williams et al. 1972)

Brief Description

  • Fruit: 76 mm or more (3+ in.); variable, short conic to round or slightly oblate; green-yellow to yellow ground color, bright finish; striped 90 to 100% medium to dark, red to purple-red, very attractive; coarse grained, cream colored, firm to crisp, moderately tough flesh; sweet to mildly sub-acid, bland, slightly aromatic flavor, juicy. Flavor and quality similar to, but less than 'Delicious'. Fruit hangs on the tree until over-ripe.
  • Season of Maturity: One to one-half week before 'Delicious'.
  • Tree: Moderate vigor, spreading branches with 90 degree crotch angles, strongly biennial.
  • Disease Resistance: Field immune to apple scab; good level of resistance to powdery mildew; susceptible to cedar-apple rust; moderately resistant to fire blight.
  • Problems: Bland insufficient flavor; astringent at harvest; tough flesh; alternate bearing, unreliable cropping.
  • General Recommendation: Problems too severe for further consideration. Discarded at Lafayette.
Co-op 9

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