Andover

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GENERAL

• Origin & Breeding: bred and selected by R. L. Plaisted, Cornell University, Ithaca, New York (USA) from (Allegany x Atlantic) in 1981.
• Year registered in Canada: 2001
• Registration number: 5336
• Maturity: early to mid-season

BOTANICAL FEATURES

• Plants: tall, erect to semi-erect; rather thin stems with no pigmentation; medium prominent straight single wings; nodes slightly swollen.
• Leaves: medium green, medium to open, weak pubescence on lower surface, no pigmentation on mid-rib.
  Terminal leaflets: elliptical; acuminate tip; obtuse and very weakly asymmetrical base; medium waviness of margins.
  Primary leaflets: three pairs, small, broadly ovate; acuminate tip, slightly asymmetrical and obtuse base.
• Flowers: medium profusion; buds not pigmented; medium size white corolla, prominent star, lemon yellow anthers; no pigmentation on peduncule.
• Tubers: round; rough, buff colored skin; few shallow eyes, predominantly apical; medium prominent eyebrows; white flesh.
• Sprouts: spherical; base has no pubescence and no pigmentation; close apex with no pubescence and no pigmentation.

AGRICULTURAL FEATURES

High yielding variety; susceptible to drought, heat stress and air pollution. Medium dry matter content. Good storability quality; medium dormancy period (6 months). Very rapid emergence and early set. Exceptionally rapid early growth.

• Utilization: excellent for chipping, good for boiling and baking. No dark discolouration after cooking.
• Chief Markets: fresh market and processing.

REACTION TO DISEASES

Resistant: golden nematode (Globodera rostochiensis Ro1).
Highly resistant: powdery scab.
Moderately resistant: common scab.
Susceptible: early dying, early blight.

References: 1, 6.

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