Green Mountain

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GENERAL

• Origin & Breeding: bred by O. H. Alexander, Charlotte, Vermont, in 1878 from the cross (Dunmore x Excelsior).
• Year registered in Canada: 1923.
• Registration number: P-11.
• Maturity: late.

BOTANICAL FEATURES

• Plants: large, spreading; stems thick, prominently angled; nodes green, slightly swollen; internodes faintly mottled reddish purple; wings wavy.
• Leaves: moderately open, large; midribs and petioles scantly pubescent.
  Terminal leaflets: medium-sized, elliptical-ovate; apex acute; base decurrent.
  Primary leaflets: medium-sized, elliptical-ovate, four pairs.
  Secondary leaflets: on the midrib between pairs of primary leaflets and at the junctions of the midrib and petiolules.
• Flowers: large, white, on green buds.
• Tubers: large, short-oblong to oblong, flattened; ends usually blunt; smooth buff skin, often netted; medium-deep white eyes; white flesh.
• Sprouts: brownish purple.

AGRICULTURAL FEATURES

High yielding variety; stores well; well suited for washing after two months storage; grows well in light soils.

REMARK: excellent variety very well suited for home gardens

• Utilization: excellent for boiling, baking, and french frying; unacceptable for chipping; suitable for starch.
• Chief Market: fresh market and home gardens.

REACTION TO DISEASES

Resistant: black leg, fusarium dry rot (Fusarium coeruleum and F. oxysporum), verticillium wilt.
Susceptible: common scab, leaf roll, phoma rot, tuber net necrosis, viruses X and Y.
Highly susceptible: late blight.

References: 1, 6.

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