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Nuclear seed producers have to figure out the needs of
potato growers at least 4 years in advance in order to have
the varieties the growers want and need. |
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Murphy's Seed Potatoes produce the following potato
varieties under contract or for direct sale.
Goldrush
In recent years, Goldrush use in Eastern Canada has been
increasing. It is a long, white fleshed potato suitable
for table use as mashed, in stews or for baking. It is
also used to a certain extent in processing. It is
resistant to hollow heart and to scab. In the field it
expresses disease symptoms well and is easy to rogue. It
is also a high yielder on medium to heavy fertile
soils.
Kennebec
High yielding fast growing variety, widely adapted. Requires close planting (15 to 20 cm between plants) and vine killing to avoid producing oversized and rough tubers. Excellent storage quality. Long dormancy period. High total solids.
Russet Burbank
Medium to high yielding variety, attractive appearance, washes well at maturity. Long dormancy period, stores well. Requires a uniform moisture supply and long growing season to produce maximum quality tubers and to prevent knobbiness and second growth. To produce large tubers, plants must be spaced 30 to 45 cm apart. High total solids.
Superior
Medium yielding variety, self fertile, well adapted to mechanical harvesting. Short dormancy period, stores well, washes excellently. Tubers size early and are not subject to internal defects. Medium specific gravity.
Chieftain
High yielding variety, attractive appearance, widely adapted. Undersizing can be a problem if soil moisture becomes limiting. Well suited for washing at maturity. Good storability. Medium specific gravity.
Yukon Gold
Medium to high yielding variety of attractive appearance. Large tubers are slightly susceptible to hollow heart. Excellent storability; long dormancy period. High specific gravity.
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