Confectionary (Non-oil) Sunflower - Langdon

Seed Over Screen Seed Yield**

Brand Hybrid Days
to Flower Days*
to Maturity Plant
Ht Test
Wt Harvest
Moisture 22/64 20/64 18/64 1997 1998 2 year Avg

in lbs/bu % ------- % Over ----- ------------ lbs/ac ----------

Agway Royal Hyb RH 3703 72 126 77 27.5 16.5 30 41 20 2576 2992 2784

Agway Royal Hyb RH 3733 72 129 82 27.0 16.7 23 35 32 2492 3046 2769

Agway Royal Hyb RH 2073 74 127 77 26.3 17.1 43 33 15 -- 2491 --

Agway Royal Hyb RH 2373 73 129 78 26.0 17.4 30 39 20 -- 2909 --

Interstate Seed IS 8004 72 123 83 26.2 13.8 22 38 25 -- 3577 --

Interstate Seed IS Exp 49097 71 126 80 27.7 13.6 42 42 11 -- 2990 --

Pioneer 63C71 75 123 71 24.0 11.3 8 32 38 -- 2954 --

Pioneer DE-1998 72 123 76 26.0 11.2 17 42 30 2583 2407 2495

Pioneer 6946 74 123 77 24.3 11.6 15 38 36 2028 2876 2452

RRC 2232 73 125 75 25.2 12.9 10 19 37 2642 2340 2491

RRC 2331 78 128 80 26.5 24.9 10 28 34 2299 2540 2420

RRC 3531 75 128 77 24.3 20.7 26 35 24 2220 2823 2522

Seeds 2000 Bigfoot 72 124 78 26.7 11.2 4 41 41 3315 3336 3326

Seeds 2000 Kodiak 69 123 73 25.3 11.8 10 28 41 2567 2788 2678

USDA 924 70 127 77 25.3 15.1 26 40 21 2345 3110 2728

Mean 73 125.4 78 26.0 14.8 -- -- -- 2586 2909 --

C.V. % 1.7 1.9 5.1 3.4 11.7 -- -- -- 9.1 12.0 --

LSD .05 2.0 3.9 6.6 1.5 2.9 -- -- -- 395 572 --

Planting Date: May 19, 1998
Harvest Date: September 30, 1998
*Days to mature is a visual rating of physiological maturity (back of heads are yellow and bracts turning brown).
**Yield adjusted to 10% moisture.

Confectionary (Non-oil) Sunflower - Langdon
							Seed Over Screen			Seed Yield**
Brand	Hybrid	Days to Flower	Days* to Maturity	Plant Ht	Test Wt	Harvest Moisture	22/64	20/64	18/64	1997	1998	2 year Avg
				in	lbs/bu	%	------- % Over -----			------------ lbs/ac ----------
Agway Royal Hyb	RH 3703	72	126	77	27.5	16.5	30	41	20	2576	2992	2784
Agway Royal Hyb	RH 3733	72	129	82	27.0	16.7	23	35	32	2492	3046	2769
Agway Royal Hyb	RH 2073	74	127	77	26.3	17.1	43	33	15	--	2491	--
Agway Royal Hyb	RH 2373	73	129	78	26.0	17.4	30	39	20	--	2909	--
Interstate Seed	IS 8004	72	123	83	26.2	13.8	22	38	25	--	3577	--
Interstate Seed	IS Exp 49097	71	126	80	27.7	13.6	42	42	11	--	2990	--
Pioneer	63C71	75	123	71	24.0	11.3	8	32	38	--	2954	--
Pioneer	DE-1998	72	123	76	26.0	11.2	17	42	30	2583	2407	2495
Pioneer	6946	74	123	77	24.3	11.6	15	38	36	2028	2876	2452
RRC	2232	73	125	75	25.2	12.9	10	19	37	2642	2340	2491
RRC	2331	78	128	80	26.5	24.9	10	28	34	2299	2540	2420
RRC	3531	75	128	77	24.3	20.7	26	35	24	2220	2823	2522
Seeds 2000	Bigfoot	72	124	78	26.7	11.2	4	41	41	3315	3336	3326
Seeds 2000	Kodiak	69	123	73	25.3	11.8	10	28	41	2567	2788	2678
USDA	924	70	127	77	25.3	15.1	26	40	21	2345	3110	2728
Mean		73	125.4	78	26.0	14.8	--	--	--	2586	2909	--
C.V. %		1.7	1.9	5.1	3.4	11.7	--	--	--	9.1	12.0	--
LSD .05		2.0	3.9	6.6	1.5	2.9	--	--	--	395	572	--