Mirton Pearl
This page is part of the Guidance Document Repository (GDR).
Looking for related documents?
Search for related documents in the Guidance Document Repository
Click on Image for Larger View
General
- Origin & Breeding: bred by Agriculture Canada (MIRA x F5318) and selected at the St. John's West Research Station, Newfoundland, in 1966.
- Year registered in Canada: 1975.
- Registration number: 1606.
- Maturity: early to mid-season.
Botanical Features
- Plants: medium-sized, upright to spreading; nodes slightly swollen; wings not prominent.
- Leaves: close, smooth.
Terminal leaflets: symmetrical.
Primary leaflets: slightly asymmetrical, three pairs.
Secondary leaflets: large, two to three pairs.
Tertiary leaflets: numerous. - Flowers: numerous, white, on slightly bronzed green buds.
- Tubers: round, uniform, smooth white skin; evenly distributed medium-deep eyes, occasionally very deep at the bud end; white flesh.
- Sprouts: reddish purple, non-pubescent.
Agricultural Features
High yielding, some resistance to damage from mechanical harvesting. Low total glycoalkaloids and high total solids. Good storability.
Remarks: space 18 to 20 cm in the row to avoid oversize tubers. This variety has very high yield performance in Atlantic Canada.
- Utilization: good for boiling and baking.
- Chief Market: fresh market
Reaction to Diseases
Resistant: potato wart (pathotypes 2 and 8)
Moderately resistant: common scab, fusarium dry rot, late blight.
Susceptible: black leg, powdery scab, potato cyst nematode.
References: 1, 6.
Send your comments to cfia.potatosection-sectiondespommesdeterre.acia@inspection.gc.ca regarding potato variety descriptions.
- Date modified: