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 2010.
	Seed	Maturity	Half							Single	Total
Hybrid	Source	Days	Down1	> 4"	3 to 4"	2¼ to 3"	1 to 2¼"	Total	Culls	Center2	Bulbs
				---------------------------------cwt-------------------------------						%	/ac
Stanley	SO		8/23	5	172	268	71	516	6	30	154702
Livingston	SO		8/23	0	178	209	60	447	19	40	129479
Marco	SO		8/8	0	69	120	49	238	7	38	93206
Polo	SO		8/24	0	209	247	40	496	6	70	136445
4012	NZ		8/19	19	385	167	19	590	7	68	116507
37-64	NZ		8/24	0	192	220	62	473	6	30	134283
Maverick	NZ		9/4	38	457	143	16	654	13	53	115546
Pulsar	NU	118	8/11	8	333	186	28	555	9	65	126116
Nebula	NU	100	8/19	0	310	226	35	571	5	73	138607
Infinity	NU	120	8/20	26	366	212	26	630	3	83	136205
Granero	NU		8/25	9	423	178	26	635	14	60	133082
Marquette	SM		8/23	5	207	234	57	503	20	80	142210
De Soto	SM		8/13	0	51	90	60	201	3	53	90083
La Salle	SM		8/13	0	78	160	57	296	1	68	104256
Vespucci	SM		8/23	8	197	182	46	433	2	53	114585
Hamlet	SM		8/23	6	60	152	70	288	4	60	109781
Cyprus	SM		8/28	0	37	97	57	191	5	48	78552
Patterson	BE		8/23	0	149	195	43	388	4	63	112663
Gunnison	BE	105	8/13	3	297	190	36	525	2	68	130440
Tamara	BE	118	8/18	0	255	224	38	517	6	53	130680
Crockett	BE	112	8/28	15	319	159	23	504	16	60	141970
Talon	BE	110	8/16	2	246	207	33	488	6	58	126116
Delgado	BE	115	8/29	16	379	111	19	524	64	18	106898
Calibra	BE	115	8/22	11	311	194	34	550	53	15	132602
Sedona	BE	110	8/26	0	449	172	20	650	12	50	127076
Mean				7	245	182	41	475	12	54	122483
CV%				139	25	23	24	18	75	27	9
LSD.05				13	87	59	14	119	13	2	16314
1Days from planting to when half the onion tops have fallen over.  This is an indication of maturity.
2Percent of onions with single centers from ten large onions selected at random.
Planting Date = April 15; Harvest Date = September 16; Previous Crop = Soybean.
Fertilizer rate lb/acre = 148 N, 43 P2O5, 53 K2O, 21 S; Irrigation = 11.3 inches
Detailed material and methods
Oakes Irrigation Research Site
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