April 2019 - 34

CULTIVAR CORNER
Pomerelle Russet
less than 12 ounces. Pomerelle Russet can maintain
acceptable fry color for about 180 to 200 days in storage
at 48 degrees Fahrenheit, indicating some potential
for processing out of short- to medium-term storage.
Yield Potential: Medium
Specific Gravity: Average for processing
Culinary Quality: Excellent
OVERVIEW
Parentage: A97201-4 x A97299-1
Developer: Northwest Potato Variety Development
Program (www.pvmi.org)
Plant Variety Protection: Applied for in 2016.
Strengths: Fresh market standout, high U.S. No. 1
Yield, attractive, smooth tubers, few tuber defects,
moderate specific gravity, early full emergence,
excellent culinary quality, processes well from shortterm
storage.
MORPHOLOGICAL CHARACTERISTICS
Plant: Semi-erect, small to medium vine that matures
relatively early in the season.
Tubers: Oblong-long tubers with brown-russet
skin with eyes that are intermediate in depth,
intermediate in number and are evenly distributed.
Medium-Long dormancy approximately 30 days
shorter than Russet Burbank.
AGRONOMIC CHARACTERISTICS
Maturity: Early season
Tubers: Pomerelle Russet produces tubers with
moderate specific gravity, average total yields with a
relatively high percentage of No. 1 tubers, and tubers
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Diseases/Physiological Disorders: Pomerelle Russet,
Russet Burbank and Russet Norkotah are similar in
their response to common scab, Verticillium wilt,
foliar early blight, PLRV net necrosis and foliar late
blight. However, Pomerelle has greater resistance
to soft rot, corky ringspot and tuber infections from
late blight than Russet Burbank and Russet Norkotah.
Pomerelle Russet also has exhibited resistance to
potato mop-top virus (PMTV).
Incentives for Production: Pomerelle Russet is an
early variety notable for its very attractive, smooth
tubers and resistances to internal and external
defects with a high percentage of U.S. No. 1 tubers.
It has excellent culinary quality and lower total
glycoalkaloid concentrations and higher protein and
vitamin C concentrations than Ranger Russet and
Russet Burbank.
MANAGEMENT
Fertility: Pomerelle Russet's nutrient requirements
are similar to Russet Burbank.
Planting: 9- to 11-inch seed piece spacing with rows
spaced 34 to 36 inches apart.
Storage: Dormancy length is moderately long. At
42 degrees, dormancy break was 170 days after
harvest (DAH), 125 DAH at 45 degrees, and 110 DAH
at 48 degrees. In general, dormancy was ~ 30 days
shorter than Russet Burbank. Pomerelle Russet had
significantly lower susceptibility to fusarium dry rot
than Russet Burbank.
Seed Production and Availability: Check www.pvmi.
org for a full list of seed growers in the U.S. In Canada,
seed production is governed under an exclusive
agreement with Pommes de Terre Laurentiennes,
Quebec (819-522-6111; ginette@pdtl.ca).

http://www.pvmi.org http://www.pvmi http://www.Spudman.com

April 2019

Table of Contents for the Digital Edition of April 2019

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