February 2022 - 27

produced the highest yield. In fact, in this
second experiment the 180 lb/A N rate
was never significantly different from
the 120, or even the 90 rate. Additional
data showed there was a significant clone
effect on yield and that its interaction
with N rate was also significant. These
are encouraging results for us as a
breeding project because they indicate
there is genetic variability for NUE
(nitrogen use efficiency) in these clones.
For the breeder, genetic variability means
breeding progress is possible; that is why
we are conducting this research.
Of course, every
potato
grower
knows that tuber quality is as important
as yield. Therefore, we wanted to
evaluate the effect of these N rates on
various tuber quality traits. This means
tuber quality is also important to our
breeding program. Unfortunately, in
the past most visual tuber shape and
skin traits were rated subjectively by
people, which is not ideal for selection.
The University of Minnesota team
is very excited to have a new tool for
objective measuring tuber shape and
skin traits. Using a light-box, camera
0 -
45
90
N rate (lb/A)
and in-house software script we are able
to assign number values to measure skin
lightness and redness, percent skinning,
roundness, compactness and length to
width ratio.
Phenotyping these traits subjectively
will not only enhance our efforts to
develop new varieties for growers, it
will help us to better collaborate with
our public sector breeding partners
120
180
Figure 2. Total yield of all tubers combined at five nitrogen rates
in 2018 and 2019. Yields with the same letters within the same year
are not statistically different (P<.05).
60 -
Year:
2018
2019
40 -
20 -
Spudman * February 2022
27
Plot Yield
-
-
-
-
-

February 2022

Table of Contents for the Digital Edition of February 2022

February 2022 - 1
February 2022 - 2
February 2022 - 3
February 2022 - 4
February 2022 - 5
February 2022 - 6
February 2022 - 7
February 2022 - 8
February 2022 - 9
February 2022 - 10
February 2022 - 11
February 2022 - 12
February 2022 - 13
February 2022 - 14
February 2022 - 15
February 2022 - 16
February 2022 - 17
February 2022 - 18
February 2022 - 19
February 2022 - 20
February 2022 - 21
February 2022 - 22
February 2022 - 23
February 2022 - 24
February 2022 - 25
February 2022 - 26
February 2022 - 27
February 2022 - 28
February 2022 - 29
February 2022 - 30
February 2022 - 31
February 2022 - 32
February 2022 - 33
February 2022 - 34
February 2022 - 35
February 2022 - 36
https://www.nxtbook.com/greatamericanmediaservices/SPUD/april-2024
https://www.nxtbook.com/greatamericanmediaservices/SPUD/march-2024
https://www.nxtbook.com/greatamericanmediaservices/SPUD/february-2024
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-january-2024
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-november-december-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-september-october-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-july-august-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-may-june-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-april-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-march-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-february-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-january-2023
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-november-december-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-september-october-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/spudman-july-august-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/may-june-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/april-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/march-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/february-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/january-2022
https://www.nxtbook.com/greatamericanmediaservices/SPUD/november-december-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/september-october-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/july-august-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/may-june-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/april-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/march-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/february-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/january-2021
https://www.nxtbook.com/greatamericanmediaservices/SPUD/november-december-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/september-october-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/july-august-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/may-june-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/april-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/march-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/february-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/january-2020
https://www.nxtbook.com/greatamericanmediaservices/SPUD/november-december-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/september-october-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/july-august-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/may-june-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/april-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/march-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/february-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/basf-2019
https://www.nxtbook.com/greatamericanmediaservices/SPUD/january-2019
https://www.nxtbookmedia.com