Table 1. Dryland Fallow Spring Durum Cultivar Evaluation Nursery Grown On-Station Under No-Till Dryland Fallow Conditions.  Northern Agricultural Research Center.  Havre, Montana.  2025.  (Exp# 25-9802-DUR)

    1/   2/ 3/ 3/   4/
ID   Yield Test Wt Protein Head Maturity Plant HT Sawfly
    Bu/Ac Lbs/Bu % Date Date Inches % 
Alzada   51.2 56.5 16.0 164* 197 30.5 0.7
CDC Defy   49.0 58.2 16.5 166 199 32.5 0.7
Divide   50.0 56.3 16.6 167 200 33.9 0.7
Joppa   41.9 57.3 16.3 167 200 31.8 3.3
Lustre   47.2 56.0 16.3 167 199 32.2 0.3
Mountrail   44.9 57.4 16.7 166 196* 31.5 0.3
MT Blackbeard 46.9 57.2 16.8 167 201 33.3 0.3
MT Raska   53.0 58.6 16.3 167 201 26.4 0.0
ND Riveland 48.1 56.4 16.8 167 201 34.9 0.7
ND Stanley   44.2 57.8 17.1 167 200 32.4 2.0
MTD19011   54.5 56.2 16.8 167 200 33.7 0.7
MTD19241   55.9* 57.2 16.8 167 200 33.0 0.7
MTD22011   40.1 56.5 17.6 168 200 30.0 0.7
MTD22013   49.0 56.7 17.0 167 200 28.9 0.3
MTD22016   44.8 57.3 17.0 167 200 32.4 2.3
MTD22030   48.2 56.7 16.2 167 200 32.8 3.7
MTD22045   46.5 56.9 16.4 167 199 32.4 0.3
MTD22075   44.5 56.9 17.2 167 200 30.4 0.7
MTD22090   41.6 57.0 17.5 166 201 31.9 0.7
MTD22175   47.3 54.6 17.7 166 201 29.3 1.0
MTD22206   46.3 58.2 17.8* 167 200 31.1 5.0
MTD22417   46.3 58.1 16.8 167 200 33.3 0.7
MTD22419   47.2 57.7 16.2 166 201 33.4 2.3
MTD22431   40.4 57.5 16.0 167 200 33.0 1.0
MTD22447   38.7 57.4 17.1 166 201 31.2 0.7
MTD22473   44.9 55.0 17.0 166 199 32.9 0.3
MTD22627   45.9 58.2 16.7 166 200 34.2 2.3
MTD22999   47.2 59.1* 15.9 165 196* 23.6 0.3
MTD23067   53.5 56.4 17.1 166 200 27.5 0.3
MTD23103   49.5 56.7 17.0 164* 200 30.5 1.0
EXPERIMENTAL MEANS 47.0 57.1 16.8 166 200 31.5 1.1
LSD (0.05)   5.2 0.7 0.6 1.3 1.1 2.3 1.9
C.V.: ( S / MEAN)*100 6.8 0.7 2.4 0.5 0.3 4.5 105.0
P-VALUE (Entries) <.0001 <.0001 <.0001 <.0001 <.0001 <.0001 0.0002
1/ Volumetric yields are based on plot weights adjusted to uniform 13 percent grain moisture and 60 lbs/bu as the standard test weight for wheat.
2/ Protein values are adjusted to 13 percent grain moisture.
3/ No. of Days from January 1 (166 = June 15, 200 = July 19).        
4/ Sawfly rating is reported as the percentage of cut stems.
Bold indicates the highest or lowest value within a column (whichever is most desirable for the specific characteristic).
Bold indicates values equal to the underlined value within a column based on Fisher’s protected LSD (P=0.05).
                 
Management Information (25-9802-DUR)
Seeding Date: April 11, 2025      
Harvest Date: August 14, 2025      
Fertility: 68-14-7-7 side banded    
System: No Till        
Herbicide: Brox M (24 oz/ ac)    
Insecticide: none      
Previous Crop: Chemical Fallow-Spring Barley
Precipitation: 6.38" April 1 to harvest maturity

 

Table 2. Eight-Year Yield and Test Weight Summary on Selected Entries from Dryland Montana Spring Durum Nursery. Northern Agricultural Research Center.  Havre, Montana. (Exp# 9802-DUR)

        1/ YIELD (Bushels Per Acre) TEST WEIGHT (Pounds Per Bushel)
      3/ No.           3/ AVE. 4/ % 5/ 8-YR           3/ AVE. 4/ % 5/ 8-YR
      of           for of COMP.           for of COMP.
      YEARS     6/     YEARS CHECK AVE.     6/     YEARS CHECK AVE.
2/ VARIETY  TESTED 2021 2022 2023 2024 2025 TESTED YIELD YIELD 2021 2022 2023 2024 2025 TESTED TEST WT TEST WT
ALZADA (P+) 8   37.0   55.0 51.2 43.6 100.0 43.6   58.1   57.5 56.5 58.0 100.0 58.0
MT RASKA (++) 5 24.6 39.3   57.0 53.0 47.0 93.7 40.9 60.4 60.0   59.7 58.6 60.1 103.8 60.2
DIVIDE (+) 9 24.4 36.9   48.0 50.0 40.8 93.6 40.8 57.6 58.3   57.9 56.3 58.2 100.3 58.2
LUSTRE (++) 8 23.9 36.9   51.0 47.2 41.6 93.2 40.6 55.5 56.8   57.8 56.0 57.4 98.2 56.9
MOUNTRAIL (+) 9 23.5 32.6   49.0 44.9 38.7 88.7 38.7 57.3 56.7   57.9 57.4 57.6 99.5 57.6
CARPIO (+) 9 24.8 35.3   40.0   37.5 88.2 38.5 55.3 57.7   56.4   57.0 98.0 56.8
JOPPA (+) 9 24.4 32.5   45.0 41.9 37.9 87.0 37.9 57.8 57.4   57.8 57.3 57.8 99.8 57.8
ND GRANO (P+) 5 24.5 40.7   50.0   42.7 85.7 37.4 57.0 58.6   58.3   58.6 100.2 58.1
RIVELAND (P+) 4 26.0 39.7   39.5 48.1 41.8 83.5 36.4 57.3 57.8   56.1 56.4 57.4 98.8 57.2
MT BLACKBEARD (++) 5 23.9 36.1   49.0 46.9 42.2 84.3 36.7 57.0 57.2   57.1 57.2 57.4 99.1 57.5
MEANS  (For Entries Listed) 24.4 36.7   49.3 47.9     39.2 57.2 57.9   57.8 57.0     58.1
                                       
7/Growing Season Precipitation (in.) 3.85 5.51 6.37 8.97 6.38 6.16                    
Total Annual Precip. (in.) 10.00 8.15 11.95 14.90 13.88 12.22                    
Soil PAW (in.) to SD @ Planting 7.64 8.21 6.63 n/a 7.43 7.96                    
Total Plant Available Water (in.) 11.49 13.72 13.00 n/a 13.81 12.93                    
Soil NO3 (lbs.) to SD at Planting 56 129 47 124 96 102                    
SD (Sampling Depth in Inches) 39 45 36 29 39 42                    
Fertilizer Applied (# N) 100 46 46 68 68 88                    
      (# P2O5) 20 9 9 14 14 17                    
      (# K2O) 10 5 5 7 7 8                    
      (# S) 10 5 5 7 7 8                    
Check variety is Alzada.                              
1/ See MCES Bulletin 1093 or the Plant Sciences & Plant Pathology website at http://plantsciences.montana.edu/ for evaluation of other important variety   performance characteristics to include protein, quality, disease resistance, etc. before making cultivar selecton decisions.
2/ P = Private Variety, + = Protected Variety, ++ = PVP Title 5 Pending.              
3/ Only the most recent 5 years are shown, but summary calculations include all years noted.       
4/ Percent of Alzada yield or test weight for the same data years as those in which a given entry was tested.
5/ 8-Yr Comparable Average = (x/y) * z where x = average yield or test weight of a given entry for years tested, y = average yield or test weight for Alzada for the same years, and z = 8-Yr average yield or test weight for the check variety Alzada.
6/ No seed related data collected in 2023.                    
7/ Seeding to 14 days prior to harvest.                    

 

Table 3. Eight-Year Protein and Sawfly Summary on Selected Entries from Dryland Montana Spring Durum Nursery.  Northern Agricultural Research Center.  Havre, Montana. (Exp# 9802-DUR)

        1/ PROTEIN % (Adjusted to 13% grain moisture) SAWFLY RATING (% of cut and lodged stems)
      3/ No.           3/ AVE. 4/ % 5/ 8-YR           3/ AVE. 4/ % 5/ 8-YR
      of           for of COMP.           for of COMP.
      YEARS     6/      YEARS CHECK AVE.     6/     YEARS CHECK AVE.
2/ VARIETY  TESTED 2021 2022 2023 2024 2025 TESTED PROTEIN PROTEIN 2021 2022 2023 2024 2025 TESTED SAWFLY SAWFLY
MT RASKA (++) 4 17.4 16.1   15.2 16.3 15.9 103.1 16.3 1.0 1.0   0.0 0.0 0.5 16.0 0.3
MT BLACKBEARD (++) 4 17.5 17.0   15.3 16.8 16.4 106.2 16.8 6.7 1.7   0.0 0.3 1.9 64.0 1.0
CARPIO (+) 9 17.7 16.7   15.1   16.5 103.5 16.4 11.7 3.7   0.0   2.0 120.6 2.0
DIVIDE (+) 9 17.4 16.3   15.3 16.6 16.2 102.2 16.2 15.0 6.7   0.0 0.7 2.7 164.1 2.7
LUSTRE (++) 7 17.9 16.9   14.1 16.3 16.2 103.6 16.4 18.3 5.0   0.0 0.3 3.3 179.5 2.9
ALZADA (P+) 7   15.7   14.9 16.0 15.9 100.0 15.9   4.0   0.0 0.7 1.6 100.0 1.6
MOUNTRAIL (+) 9 17.3 16.8   15.3 16.7 16.4 103.5 16.4 23.3 6.7   0.0 0.3 4.4 268.9 4.4
RIVELAND (P+) 4 16.6 16.5   15.8 16.8 15.9 104.8 16.6 21.7 11.7   0.0 0.7 6.9 272.0 4.4
JOPPA (+) 9 17.0 16.5   14.9 16.3 16.1 101.8 16.1 21.7 13.3   0.0 3.3 5.1 312.3 5.1
ND GRANO (P+) 5 16.9 16.4   15.2   15.5 104.0 16.5 25.0 15.0   0.0   10.7 357.8 5.8
MEANS  (For Entries Listed)   17.4 16.4   15.0 16.4     16.3 14.4 6.8   0.0 0.8     2.9
                                       
7/Growing Season Precipitation (in.) 3.85 5.51 6.37 8.97 6.38 6.16                    
Total Annual Precip. (in.) 10.00 8.15 11.95 14.90 13.88 12.22                    
Soil PAW (in.) to SD @ Planting 7.64 8.21 6.63 n/a 7.43 7.96                    
Total Plant Available Water (in.) 11.49 13.72 13.00 n/a 13.81 12.93                    
Soil NO3 (lbs.) to SD at Planting 56 129 47 124 96 102                    
SD (Sampling Depth in Inches) 39 45 36 29 39 42                    
Fertilizer Applied (# N) 100 46 46 68 68 88                    
      (# P2O5) 20 9 9 14 14 17                    
      (# K2O) 10 5 5 7 7 8                    
      (# S) 10 5 5 7 7 8                    
Check variety is Alzada.                              
1/ See MCES Bulletin 1093 or the Plant Sciences & Plant Pathology website at http://plantsciences.montana.edu/ for evaluation of other important variety performance characteristics to include protein, quality, disease resistance, etc. before making cultivar selecton decisions.
2/ P = Private Variety, + = Protected Variety, ++ = PVP Title 5 Pending.              
3/ Only the most recent 5 years are shown, but summary calculations include all years noted.         
4/ Percent of Alzada yield or test weight for the same data years as those in which a given entry was tested.
5/ 8-Yr Comparable Average = (x/y) * z where x = average protein or sawfly rating of a given entry for years tested, y = average protein or sawfly rating for Alzada for the same years, and z = 8-Yr average protein or sawfly rating for the check variety Alzada.
6/ No seed related data collected in 2023.                    
7/ Seeding to 14 days prior to harvest.