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- Origin & Breeding: bred by Frito-Lay Inc. from the cross (RD289-18 x Monona) in Rhinelander, Wisconsin (USA) in 1965. Tested and released as FL657.
- Year registered in Canada: 1994
- Registration number: 3971
- Maturity: mid-season to late
- Plants: medium to large; spreading; thick stems, mostly green with very light pubescence; wings slightly to moderately prominent.
- Leaves: dark green, lightly pubescent.
Terminal leaflets: ovate; tip cuspidate.
Primary leaflets: four to five pairs; ovate, tip cuspidate, base asymmetrical.
Secondary leaflets: few.
- Flowers: moderately numerous; white; green calyx slightly pubescent.
- Tubers: blocky to oval, slightly flattened; smooth buff skin; generally shallow eyes, medium-deep at apical end; pale yellow to cream flesh.
- Sprouts: ovoid, pink, slightly pubescent.
High yielding variety; widely adapted; slow development early in season; slightly susceptible to hollow heart and internal necrosis; good chip color at harvest and after storage at 10°C or warmer; not well-suited to long term cold storage for chip processing; good storability; medium specific gravity.
REMARK: close spacing should be used to avoid oversize; difficult to kill vines under cool fall conditions.
- Utilization: excellent boiling, baking and chipping quality.
- Chief Market: chipping.
Reaction to Diseases
Highly resistant: PVX, PVY, leaf roll.
Moderately resistant: southern bacterial wilt.
Susceptible: verticillium wilt, pink eye, external brown spot in cold soils.
Highly susceptible: common scab.
References: 1, 6, 9.
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