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 8

(PRI 1326-1 = PRI 558-1 x 'Mollie's Delicious') (Williams et al. 1972)

Brief Description

  • Fruit: 76 mm or more (3+ in.); round to conic with distinctive, strongly pointed, narrow calyx end; green-yellow to pale-yellow ground color, very bright finish; blushed 60 to 85% light to medium red, very attractive; medium grained, cream colored, firm to crisp and slightly breaking flesh; mildly sub-acid, bland; juicy. Some tendency to drop when ripe. Season of MaturityöTwo and one-half weeks before 'Delicious'.
  • Tree: moderate vigor, spreading branches with 90 degree crotch angles, uniformly distributed, large fruit; annual light to moderate cropping.
  • Disease Resistance: Field immune to apple scab; good level of resistance to powdery mildew; highly resistant to cedar-apple rust; moderately resistant to fur. blight.
  • Problems: Bland, insufficient flavor, inadequate storage life for season, sparse cropping, tendency to drop.
  • General Recommendation: Problems too severe for further consideration. Discarded at Lafayette. Brazilian reports indicate low chilling requirement. Suggested for further testing in regions with moderate winter chilling.
Co-op 8

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