Market Class: Yellow Pea
Year Released to Select Growers: 2012
Sub-licensed Outside of SK: No
International Distribution Rights: Canterra Seeds Ltd./Meridian Seeds
Breeder: Dr. Tom Warkentin, Crop Development Centre, University of Saskatchewan, Saskatoon, SK
Plant Breeders Rights: No
Description
In two years of testing in the field pea co-op registration trials in 2009–2010, CDC Amarillo yielded 110% of the check varieties CDC Golden and Cutlass (Table 2). As a result of this strong performance, CDC Amarillo was designated the official check variety in 2017. The agronomic performance over 14 years of testing in the co-op and regional trials in Saskatchewan is shown in Table 1. CDC Amarillo does not have PBR protection.
Statistical analysis of 8 years of long-term RVT data ranked CDC Amarillo 13th from the top for yield among 16 historical and new yellow pea varieties in the south and 11th in the north (Figure 1).
Strengths
- Good lodging resistance
- Powdery mildew resistance
Neutral
- Moderate yield relative to newer varieties
- Medium maturity
- Medium vine length
- Medium seed weight
- Round seed shape
- Moderate cooking time
- Fair Mycosphaerella blight resistance
- Moderately resistant to Fusarium root rot
Weaknesses
- Rated ‘fair’ for seed coat breakage
- Rated ‘fair’ for seed coat dimpling
- Moderate protein concentration
Table 1: Agronomic performance of yellow pea varieties from Co-op and Regional Trials in Saskatchewan
| Variety | Year Registered | Years Tested | Yield (% Amarillo) | Relative Maturity | Lodging (1-9)** | Vine Length (cm) | Resistance to: | Seed Weight (g/1000) | Protein % vs. CDC Amarillo | ||||||
| Area 1, 2 & South 3* | Area North 3 & 4* | Mycosphaerella Blight3 | Powdery Mildew | Fusarium Root Rot | Seed coat breakage | Seed coat dimpling4 | Greeness5 | ||||||||
| CDC Amarillo | 2012 | 14 | 100 | 100 | M | 3.5 | 85 | 4.5 | R | MR | F | F | G | 230 | 23 |
| AAC Aberdeen | 2019 | 5 | 108 | 107 | M | 3.5 | 85 | 4.5 | R | I | F | F | G | 250 | -1.1 |
| AAC Beyond | 2021 | 5 | 106 | 108 | E | 4.5 | 80 | 5 | R | MR | F | F | G | 220 | 0.3 |
| Boost | 2022 | 4 | 102 | 101 | M | 4.5 | 90 | 4.5 | R | MR | G | G | G | 230 | 1.2 |
| CDC Boundless | 2023 | 4 | 109 | 105 | M | 3 | 90 | 4.5 | R | MR | G | G | G | 230 | 0.8 |
| CDC Canary | 2017 | 10 | 99 | 100 | E | 3.5 | 85 | 4.5 | R | I | G | F | F | 230 | 0.1 |
| Caphorn | 2023 | 4 | 100 | 98 | M | 4 | 80 | 5 | R | MR | F | G | G | 260 | 1.7 |
| AAC Carver | 2014 | 7 | 102 | 100 | E | 4 | 85 | 5 | R | I | G | F | G | 240 | -1.3 |
| AAC Chrome | 2017 | 7 | 106 | 104 | M | 4.5 | 75 | 4.5 | R | I | G | G | G | 240 | -1 |
| CDC Citrine | 2022 | 6 | 108 | 110 | M | 4 | 85 | 4 | R | MR | G | G | G | 220 | 0.3 |
| CDC Engage | 2023 | 4 | 107 | 107 | M | 3.5 | 85 | 4.5 | R | I | G | G | G | 240 | 0.7 |
| CDC Hickie | 2021 | 7 | 107 | 106 | M | 3.5 | 85 | 4.5 | R | MR | G | G | G | 230 | 0.5 |
| CDC Inca | 2015 | 12 | 104 | 102 | M | 4 | 85 | 4.5 | R | I | G | G | F | 230 | -0.6 |
| AAC Julius | 2021 | 5 | 110 | 105 | E | 4 | 85 | 4.5 | R | MR | G | G | G | 210 | 0.4 |
| CDC Lewochko | 2018 | 10 | 104 | 104 | M | 3.5 | 90 | 4.5 | R | I | G | G | G | 230 | 0.9 |
| AAC McMurphy | 2023 | 3 | 102 | 101 | M | 3.5 | 85 | 4.5 | R | MR | F | F | G | 250 | 0.6 |
| CDC Meadow | 2006 | 12 | 93 | 90 | E | 4 | 85 | 5 | R | I | G | G | G | 220 | -0.5 |
| AAC Planet | 2022 | 3 | 107 | 102 | M | 3.5 | 90 | 4.5 | R | MR | G | G | G | 220 | 1.2 |
| AAC Profit | 2019 | 6 | 103 | 109 | M | 4.5 | 90 | 4.5 | R | I | F | G | G | 230 | 0.8 |
| CDC Spectrum | 2016 | 12 | 105 | 103 | M | 3.5 | 85 | 4.5 | R | I | G | G | F | 240 | 0.7 |
| CDC Tollefson | 2021 | 7 | 109 | 108 | M | 3 | 90 | 4 | R | MR | G | G | G | 240 | -0.3 |
| CDC 5791 | 2024 | 4 | 107 | 103 | M | 4 | 90 | 4.5 | R | MR | G | G | G | 250 | 0.6 |
| CDC 5845 | 2024 | 4 | 108 | 107 | M | 3.5 | 90 | 4 | R | MR | G | G | G | 240 | 0.6 |
Source: Varieties of Grain Crops (SaskSeed Guide)
*Area 1: Brown soil zone; Area 2: Dark brown; Area 3: Black; Area 4: Dark grey
**Lodging score: 1 = Upright; 9 = Completely lodged
***Mycosphaerella blight score: 1 = No disease, 9 = Completely blighted
****Seed coat dimpling: Very Good = 0-5%; Good = 6-20%; Fair = 21-50%
*****Greenness: Good = 0-15%; Fair = 16-40%
Table 2: Agronomic Performance of CDC Amarillo Compared to the Checks (Pea Co-op Test A, 2009-2010)
| VARIETY | YIELD (KG/HA) | YIELD (% MEAN OF CHECKS) | DAYS TO MATURITY | VINE LENGTH (CM) | LODGING (PRE-HARVEST)* | SEED WEIGHT (MG) | SEED SHAPE** | SEED COAT BREAKAGE (%) | CRUDE PROTEIN (%) | COOKING TIME (MIN)*** |
|---|---|---|---|---|---|---|---|---|---|---|
| CUTLASS (CHECK) | 5271 | 100 | 104 | 77 | 4.0 | 221 | 2.7 | 6.3 | 23.4 | 46.8 |
| CDC GOLDEN (CHECK) | 5311 | 100 | 102 | 77 | 4.1 | 214 | 2.7 | 3.3 | 24.2 | 30.3 |
| CDC AMARILLO | 5812 | 110 | 105 | 86 | 2.8 | 233 | 2.9 | 6.8 | 22.7 | 46.3 |
| CV | 9 | |||||||||
| LSD 05 | 301 | 0.9 | 2.8 | 0.6 | 6.9 | 0.3 | 5.2 | 0.6 | 26.4 | |
| # Locations | 20 | 20 | 20 | 20 | 20 | 20 | 8 | 12 | 2 |
Source: CDC Pulse Breeding Group, U of S
*Lodging score: 1 = Upright; 9 = Completely lodged
**Seed shape: 1 = Round; 5 = Cubic
***Cooking time = Mattson cooking time (min)
Figure 1. Relative yield ranking of yellow pea varieties from 8 years of RVT data in SK in the south (left) and north (right).
