Spudman November/December 2022 - 28

seed lot samples for the postharvest test
that will continue in Hawaii.
- Benita Matheson, plant services
supervisor, Washington Department of
Agriculture
3. Lamoka (PVP), 766.7 acres
4. Silverton (PVP), 677.7 acres
5. Snowden, 598.6 acres
performed as expected based on
previous years.
Harvest season was dry and warm
Wisconsin seed growers remain
WISCONSIN
Wisconsin seed potato growers
entered 9,344.5 acres for certification
during the 2022 growing season.
Acreage was down 198.63 acres from
2021, but slightly above the 9,295.30-acre
average from 2018 to 2020.
The 2022 top five certified potato
varieties:
1. Proprietary varieties, 2,546.6 acres
2. Atlantic, 865 acres
focused on chipping varieties, with
Atlantic, Lamoka, Snowden, and
proprietary varieties continuing to be
popular choices. In addition, Manistee
is gaining interest in the chip market
with a 15% acreage increase since 2021,
while 158.2 acres of Mackinaw were
planted, an increase of 144.1 acres since
2021. Silverton Russet remains a strong
fresh-market russet, however, interest
in Caribou and Lakeview russets
continues to grow.
Planting occurred in Wisconsin
later than in previous years, with most
growers starting to plant mid-to-late
May and finishing early-to-mid June.
Overall, variety growth made up for
the planting delay, and typical growth
patterns were observed by early July,
but then the state experienced a very
dry period leading to an increased
need for irrigation. Vine killing was
in Wisconsin; however, growers were
successful in finishing digging by
mid-October. Wisconsin Seed Potato
Certification inspectors observed
excellent tuber quality and size across
most seed potato lots with yields
being slightly lower to average than
traditionally observed. With the loss
of our 2021 postharvest and testing
limitations, we were happy to only
downgrade two seed lots to certified
during field inspections. No late blight
was observed during field inspections.
Wisconsin Seed Potato Certification
staff are working diligently with seed
growers to collect and gas seed potato
lots, which will be shipped to Hawaii
for the upcoming postharvest test. A
combination of visual inspections and
ELISA testing will be used to certify
postharvest seed potato lots.
- Brooke Babler, research and
certification manager, Wisconsin Seed
Potato Certification Program
28
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Spudman November/December 2022

Table of Contents for the Digital Edition of Spudman November/December 2022

Spudman November/December 2022 - 1
Spudman November/December 2022 - 1A
Spudman November/December 2022 - 3
Spudman November/December 2022 - 2
Spudman November/December 2022 - 3
Spudman November/December 2022 - 4
Spudman November/December 2022 - 5
Spudman November/December 2022 - 6
Spudman November/December 2022 - 7
Spudman November/December 2022 - 8
Spudman November/December 2022 - 9
Spudman November/December 2022 - 10
Spudman November/December 2022 - 11
Spudman November/December 2022 - 12
Spudman November/December 2022 - 13
Spudman November/December 2022 - 14
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Spudman November/December 2022 - 16
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