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 2011.
	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
Patterson	BE	105	9/23	0	5	44	13	63	6	9	31229
Gunnison	BE	110	9/17	0	15	45	42	102	2	9	53811
Crockett	BE	118	9/27	0	93	112	34	240	21	6	82158
Talon	BE	110	9/20	0	16	54	37	108	5	9	58856
Delgado	BE	115	9/21	3	121	71	19	214	17	6	56934
Calibra	BE	115	9/22	2	42	39	28	111	19	4	49246
Tamara	BE	112	9/21	0	7	49	31	87	2	8	43481
Sedona	BE	118	9/25	2	65	74	25	166	9	7	56693
7026	NZ	118	9/21	0	81	67	16	164	17	9	52369
2020	NZ	118	none3	0	58	82	12	151	22	9	48045
2025	NZ	120	9/29	5	146	77	14	242	35	8	65342
2015	NZ	115	9/20	0	57	91	37	185	17	8	69185
Belmar	SM	116	9/27	3	74	90	41	208	15	9	80716
Elbrus	SM	115	9/25	0	15	25	28	67	16	7	42520
Mean				1	57	66	27	151	14	8	56470
CV%				285.8	48.5	38.7	41.7	36.2	51.1	19.3	31.3
LSD.05				NS	39	36	16	78	11	2	25253
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.
3Was not half down at harvest.
Planting Date = May 2; Harvest Date = September 30; Previous Crop Barley.
Fertilizer rate lb/acre = 145 N, 39 P2O5, 48 K2O, 19 S, 2 Zn; Irrigation = 10.2 inches.
Detailed material and methods
Oakes Irrigation Research Site
Home page		Report 2011