Nonoilseed Hybrid Sunflower Yield Trial, Casselton, ND 2003

Company	Hybrid	Yield Lb/A	Days to Flw.	Days to Mat.	Ht In.	Head Diam. In.	Midge	Moist. %	Test Wt. lb/bu	% Over/64 Screen 22 20 18			% Nut- Meat
Dahlgren & Co	D-9530	3320	75	110	77	8.0	1	10.3	23.7	41	75	96	54
Dahlgren & Co	D-9518	3161	76	111	84	8.0	2	11.7	23.5	19	69	90	54
Dahlgren & Co	D-9525	3074	75	117	82	7.5	1	10.9	21.3	79	94	98	53
Harvest States Sun.	RH 318	2291	70	104	82	7.3	2	9.0	17.5	55	83	94	53
Harvest States Sun.	RH 118	3262	75	112	88	7.5	2	11.1	22.2	38	74	92	52
Harvest States Sun.	RH 3738	2581	75	111	83	7.5	3	11.3	23.5	46	72	88	56
Interstate Seed	8048	2833	70	108	79	7.7	2	10.1	24.0	31	71	93	55
Interstate Seed	8089	3190	75	118	80	7.5	2	10.4	21.9	29	73	91	49
Mycogen Seeds	9338	2958	71	109	80	7.7	1	9.5	21.7	42	72	89	56
Mycogen Seeds	X91416	2762	76	112	82	8.0	1	11.4	22.5	43	71	92	51
Proseed	C 9011	3523	73	104	73	8.0	1	9.2	22.8	26	59	88	59
Proseed	C 1053	2537	70	103	74	7.3	2	8.5	19.8	51	80	94	55
Red River Comm.	2213	3219	71	107	79	7.0	1	10.4	25.0	13	47	81	57
Red River Comm.	2582	2595	72	107	79	7.5	4	10.9	25.6	14	48	76	57
Red River Comm.	2215	3296	74	111	76	8.2	1	10.0	23.7	64	85	96	52
Red River Comm.	7015	3277	73	108	79	8.0	1	8.9	18.8	52	85	96	51
Seeds 2000	Grizzly	3158	77	117	80	7.3	1	11.8	24.4	37	66	86	51
Seeds 2000	X 3987	3103	78	118	81	7.5	2	12.3	21.8	31	67	89	47
Seeds 2000	X 3938	2929	71	109	78	7.7	2	10.0	18.9	56	83	94	51
Sigco Sun Products	Rustler	2784	71	108	79	7.2	2	9.8	22.9	24	64	81	55
Sigco Sun Products	Goliath RT	3059	76	118	78	8.0	2	11.8	24.1	43	76	91	51
Triumph Seed	757C	2682	72	109	77	7.7	1	9.6	20.1	83	94	96	55
Triumph Seed	TRX2352C	2784	73	113	81	7.5	2	10.8	21.0	63	87	97	55
USDA	924	2756	69	107	76	7.7	2	9.6	23.2	17	55	85	56
EXP MEAN		2964	73	110	79	7.6	2	10.4	22.3	42	73	91	54
C.V. %		13	2	2	5	4.3	39	7.6	9.5
LSD 5%		610	3	4	6	.5	1	1.3	3.5

Planted May 28, 2003. Harvested October 15, 2003.

Yield is reported at 10% moisture.

Seed size = % of seed falling through a 22/64, 20/64, and 18/64 hole screen. Percentages represent an accumulative total.

Midge Rating: Petal and bract damage, based on a scale of 0 to 10, with 0=no damage and 10 being highly damaged.

Maturity date for Hysun 311 = 103, SF 270 = 106, and P6451 = 109.