GoldRush is derived from a cross of Golden Delicious and Co-op 17 made in 1972 at the University of Illinois. It was released by the PRI program in 1993.
The name refers to its golden ground color with bronze blush and its rush of flavor, according to information from the PRI program. The fruit is of average size with a rich, spicy, sweet-acid flavor and firm texture. It has outstanding storability.
The tree is slightly upright and moderately vigorous with limited branching and a strong tendency to develop a central leader. Crotch angles are wide, and the tree is heavily spurred.
It is resistant to scab and powdery mildew and moderately resistant to fireblight. It is susceptible to cedar-apple rust and sooty blotch.
Pixie Crunch comes from a cross made at Rutgers University, New Jersey, in 1971. It was released by the PRI breeding program in 2004.
The apple is red over a green-yellow background and doesn't russet. It has a rich, complex sweet-tart flavor. It is juicy, with a crisp and breaking texture. The fruit has excellent storage quality.
The tree has a spreading, moderately vigorous growth habit, with some tendency toward biennial bearing if overcropped.
It is resistant to apple scab and moderately resistant to fireblight and frogeye leafspot. It is susceptible to powdery mildew and cedar-apple rust.
CrimsonCrisp comes from a cross of two breeding selections made in 1971 at Rutgers University, New Jersey. It was released in 2005.
The fruit is a full bright red color and very crisp. It has yellow flesh and a rich subacid flavor. The fruit matures in mid-September.
The tree is a standard nonspur with moderate to low vigor. It can bear biennially if overcropped. It is resistant to apple scab, but susceptible to cedar-apple rust and fireblight.