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Russet Norkotah Colorado Line
3's -
Russet Norkotah is a early-maturing potato released in 1987
by North Dakota State University(APJ 65:597-604, 1988). It is
primarily a fresh market potato with good boiling and baking
qualities. It is widely adapted to the western U.S. and performs
especially well in the SLV. Selections were made in the San Luis
Valley Colorado State University Research center in 1991. Two
selections survived grower trials. Plants are fast emerging with a
medium, slightly upright vine and white flowers; it has a
determinate growth habit. The Selection 3 has a much bigger vine
than the standard. The selections root system is more developed and
extensive than the standard Norkotah. They are susceptible to hail
damage, but better than the standards.
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Russet Norkotah Texas Line
278's -
Russet Norkotah is a early-maturing potato released in 1987 by
North Dakota State University(APJ 65:597-604, 1988). It is
primarily a fresh market potato with good boiling and baking
qualities. It is widely adapted to the western U.S. and performs
especially well in the SLV. Selections were made at Texas A & M
in the early 1990's. Five selections survived grower trials. The
Texas selections were first selected in a field with very high
early dying / verticilium pressure. Then they were further
selected for heat resistence, vigor and tuber type. Texas line
selections will have greater vine growth, yield and early dying
tolerance with excellent tuber appearance and percentage of U.S.
#1's. Advantages of Line 278: High Yields. Good vine size.
Later Maturity
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Russet Norkotah Texas Line
296's -
Russet Norkotah is a early-maturing potato released in 1987 by
North Dakota State University(APJ 65:597-604, 1988). It is
primarily a fresh market potato with good boiling and baking
qualities. It is widely adapted to the western U.S. and performs
especially well in the SLV. Selections were made at Texas A & M
in the early 1990's. Five selections survived grower trials. The
Texas selections were first selected in a field with very high
early dying / verticilium pressure. Then they were further
selected for heat resistence, vigor and tuber type. Texas line
selections will have greater vine growth, yield and early dying
tolerance with excellent tuber appearance and percentage of U.S.
#1's. Advantages of Line 296: High Yields. Good vine size.
Later Maturity.
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Russet Nuggets -
Russet Nugget is a late-maturing fresh market/processing potato
released in 1988 by ColoradoState University (APJ 69:331-336,
1992). It ranks high in all taste tests. Levels of Vitamin C
also are high (35.0 mg/l 00g, fresh weight basis). Plants emerge
quickly and produce a vine that is large and erect with abundant
white flowers and an indeterminate growth habit. A deep
spreading root system helps provide adequate water and nutrient
uptake for the large vines. Hail damage generally is minimal.
Tubers have creamy white flesh and are oblong with a light
russet skin. Eyes are shallow and well distributed; tubers
consistently have high specific gravity (1.100). Yield potential
400 to 450 cwt. range with a high percentage of No. l's.
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Rio Grandes -
The Rio Grande Russet is a very high yielding, medium maturing
selection that has a oblong to long tuber type with a medium
russet and white flesh. Plants are medium to large sized and
spreading with ruffled leaves. They have a high percentage of
#1's and large tubers that are very smooth and have an
attractive appearance. They are resistant to blackspot bruising
and PVY, PLRV and other diseases. They are useful on the fresh
market with a medium specific gravity (1.082). They have a low
input need for Nitrogen fertilizer.
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Centennials -
Centennial Russet is a medium- to late-maturing, fresh market
potato released in 1976 by Colorado State University (APJ
54:603-605, 1977). This cultivar has few production problems and
is well suited to the SLV. Vine is medium to large, upright,
with lavender flowers; determinate growth habit; moderate root
system. Tubers are white fleshed, oblong to slightly flat with
shallow eyes and a dark, heavy russeted skin; medium to high
specific gravity (1.085).
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AC 92009-4RU This
cultivar, like the Rio Grande Russet, shows good resistant to the
mosaic virus. It has a darker skin than the Rio Grande Russet but
has an extremely good shape and profile to it. It is a medium
maturing, oblong russet with the primary use being the fresh market.
Yields to date are in the 400 sacks per acre area.
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