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CDC Huskie

Pea

Denomination: 'CDC Huskie'
Previously Proposed Denomination: 'CDC 5360-4'
Botanical Name: Pisum sativum
Applicant/Holder: University of Saskatchewan
Crop Development Centre
4D36 Agriculture Building, 51 Campus Drive
Saskatoon, Saskatchewan
S7N 5A8
Canada
Breeder: Tom Warkentin, University of Saskatchewan, Saskatoon, Saskatchewan
Application Date: 2020-04-16
Provisional Protection:: 2020-04-16
Application Number: 20-10157

Variety Description

Varieties used for comparison: 'CDC Limerick', 'CDC Greenwater', 'CDC Forest' and 'CDC Rider'

Summary: The plants of 'CDC Huskie' flower earlier than the plants of 'CDC Rider' . At maturity, the stem including the first two nodes of 'CDC Huskie' is longer than that of 'CDC Limerick', 'CDC Greenwater', 'CDC Forest' and 'CDC Rider'. The length of the stipule lobe below the axil is short for 'CDC Huskie' whereas it is a medium length for 'CDC Rider' . The 100 seed weight of 'CDC Huskie' is greater than the 100 seed weight of 'CDC Limerick', and less than that of 'CDC Greenwater' and 'CDC Forest'.

Description:

PLANT: field type, no anthocyanin colouration, green foliage, flowers mid-season

STEM: no anthocyanin colouration of axil, no fasciation, medium number of nodes up to and including the first fertile node

LEAF: leaflets absent
STIPULE: short to medium length from axil to tip, lobe below axil short, sparse to medium flecking

FLOWER: maximum of two per node
STANDARD: white, medium width, level to moderately arched base, absent or very weak to weak undulation
UPPER SEPAL: medium to broad, acuminate apex

POD: blunt shape of distal end, entire parchment, absent or very weak to weak curvature, light intensity green, suture strings present
IMMATURE SEED: medium intensity green
SEED: ellipsoid, simple starch grains, green cotyledon, matures early to mid to late season
HILUM: same colour as testa

Origin & Breeding History: 'CDC Huskie' (experimental designation CDC 5360-4) originated from the cross between 'CDC Greenwater' and '3422-8' conducted in the winter of 2013 at the Crop Development Centre at the University of Saskatchewan, Saskatoon, Saskatchewan. The variety was developed from a single plant selection from the F2 population. At the F10 generation 23 sub-lines were selected to establish breeder seed in 2021. 'CDC Huskie' was selected based on grain yield, days to maturity, vine length, resistance to lodging, seed weight, resistance to seed coat breakage, and disease resistance.

Tests & Trials: The comparative tests and trials for 'CDC Huskie' were conducted at the Sutherland Field Site of the Crop Development Centre of the University of Saskatchewan, Saskatoon, Saskatchewan during the 2021 and 2022 growing seasons. The trials were arranged in a RCB design consisting of 2 replications per variety. Each replicate consisted of 3 rows spaced 30 cm apart, with a row length of 3.66 metres and a planting density of 84 seeds per square metre. The measured characteristics were based on 20 measurements per variety per year, except for seed weight which was based on 8 measurements per variety per year. The mean differences were significant at the 5% confidence probability level based on LSD values.


Comparison tables for 'CDC Huskie' with reference varieties 'CDC Limerick', 'CDC Greenwater', 'CDC Forest' and 'CDC Rider'

Days to flowering (number of days from planting to flowering)

  'CDC Huskie' 'CDC Limerick' 'CDC Greenwater' 'CDC Forest' 'CDC Rider'
mean 2021 62 61 62 62 64
mean 2022 59 56 61 60 61  

Stem length (cm)

  'CDC Huskie' 'CDC Limerick' 'CDC Greenwater' 'CDC Forest' 'CDC Rider'
mean 2021 (LSD=0.93) 50.9 44.8 43.7 46.1 48.7
std. deviation 2021 4.3 3.9 5.4 4.7 3.3
mean 2022 (LSD=2.06) 77.5 68.7 69.2 71.6 71.3
std. deviation 2022 4.2 5.3 3.6 4.1 3.8

Seed weight (grams per 100 seeds) (g)

  'CDC Huskie' 'CDC Limerick' 'CDC Greenwater' 'CDC Forest' 'CDC Rider'
mean 2021 (LSD=0.26) 22.09 21.30 22.78 23.10 22.15
std. deviation 2021 0.2 0.9 0.6 0.3 0.4
mean 2022 (LSD=0.22) 24.37 22.22 25.78 25.68 24.25
std. deviation 2022 0.3 0.3 0.2 0.3 0.3

Click on image for larger view
CDC Huskie
Pea: 'CDC Huskie' (top left) with reference varieties 'CDC Limerick' (top centre), 'CDC Greenwater' (top right), 'CDC Forest' (bottom left) and 'CDC Rider' (bottom right)

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