Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail:  Walter.Albus@ndsu.edu
Table 1.  Onion hybrid performance trial at the Oakes Irrigation Research Site in 2012.
Seed Maturity Half Single Total
Hybrid Source Days Down1 > 4" 3 to 4" 2¼ to 3" 1 to 2¼" Total Culls Center Bulbs
-----------------------------cwt------------------------------ % /ac
Elbrus SM 112 8/16 24 428 236 29 716 9 86 152552
Belmar SM 118 8/25 82 680 153 18 933 10 90 158317
Ruffian SM 116 8/21 79 576 138 24 816 16 86 145825
Marquette SM 115 8/16 34 396 141 25 596 3 90 118918
Patterson BE 105 8/20 0 363 138 15 516 1 86 106906
Hamilton BE 118 8/22 64 707 136 20 927 12 90 156155
Sedona BE 118 8/26 87 565 93 11 754 5 80 115795
Crockett BE 118 8/25 66 451 73 9 600 5 76 95134
Calibra BE 115 8/17 40 554 171 20 784 13 70 141981
Delgado BE 115 8/17 66 685 132 16 899 6 76 143662
Gunnison BE 110 8/14 27 662 150 20 859 3 96 160239
Talon BE 110 8/17 19 412 70 13 513 3 80 90090
Frontino NZ 125 8/23 165 653 89 9 915 10 90 132852
Maverick NZ 120 8/22 137 601 96 11 844 10 96 125885
Cruiser (37-64) NZ 115 8/15 5 451 252 29 738 5 76 161200
Ventura (4012) NZ 113 8/14 25 504 171 23 722 2 80 136696
 
Mean     8/19 57 543 140 18 758 7 84 133888
CV% 12.0 39.0 12.0 19.0 31.0 10.0 103.6 18.0 10.0
LSD.05     3 32 97 38 8 110 NS 1 18953
 
1Date when 50% of onion tops down.
Planting date = April 20; Harvest date = September 6; Previous crop = barley.
Detailed material and methods
Oakes Irrigation Research Site
Variety trials Crop index Home page Report 2012