Table 1. 1997-98 wheat yields at location 1, MAFES Prairie Research Unit in Prairie (Houston clay soil).1
Brand/Variety	1997-98 yield	2-year avg. yield	3-year avg. yield	Test weight	Seed weight	Date headed	Plant height	Lodging score2
	bu/A	bu/A	bu/A	lb/bu	g/1000		in
Delta King 9027	61.6	--	--	58	26.5	4/14	37	1
AR584A-3-1	59.8	--	--	55	26.0	4/10	35	1
EK X78753	59.2	--	--	56	31.6	4/13	36	1
AR494B-2-2	57.8	--	--	56	27.1	4/13	36	1
EK X78912	57.2	--	--	55	23.4	4/13	38	1
Jackson	57.0	--	--	55	24.5	4/11	34	1
Roane	56.5	--	--	58	25.0	4/14	35	1
Delta King H1551	56.2	--	--	54	21.7	4/12	34	1
Terral TV 8557	55.3	--	--	56	28.8	4/12	36	1
Pocahontas	52.4	--	--	56	27.3	4/10	34	1
Delta King XP9121	51.6	--	--	53	18.3	4/13	35	1
Delta King 9051	51.3	--	--	58	27.5	4/11	34	1
NK Coker 9835	51.1	--	--	54	26.7	4/09	30	1
NK Coker 9134	50.8	--	--	54	23.0	4/11	33	1
FFR 522W	49.8	--	--	54	18.9	4/10	33	1
EK 102	49.3	--	--	50	21.5	4/10	35	1
Agripro Shelby	49.2	--	--	55	23.2	4/10	36	1
Pioneer variety 2684	49.0	--	--	56	30.3	4/07	33	1
NK Coker 9663	48.9	--	--	55	23.5	4/10	37	1
Terral TV 8768	48.7	--	--	59	31.7	4/14	36	1
Agripro Shiloh	48.5	--	--	55	27.5	4/15	33	1
NK Coker 9704	47.7	--	--	55	26.7	4/07	32	1
NK Coker 9543	47.4	--	--	55	23.2	4/08	33	1
Wakefield	46.9	--	--	56	30.7	4/13	37	2
Agripro Mallard	46.0	--	--	55	24.2	4/13	33	1
NK Coker 9803	44.9	--	--	58	28.3	4/08	32	1
Terral TV 8825	44.3	--	--	54	22.0	4/13	34	2
GA Dozier	44.1	--	--	54	17.4	4/11	33	1
VA 94-54-479	44.1	--	--	51	20.6	4/06	30	1
LA8952B7-3-1	43.1	--	--	56	27.9	4/10	33	1
Terral TV 8555	42.7	--	--	53	19.9	4/13	33	1
Roberts	42.2	--	--	52	20.3	4/08	33	2
Morey	41.1	--	--	53	23.6	4/08	35	1
Agripro D93*7163	40.2	--	--	55	24.0	4/08	30	1
FFR 518W	40.1	--	--	49	17.2	4/08	31	1
Agripro Mason	39.7	--	--	54	27.6	4/06	34	1
Clemson 201	39.3	--	--	52	19.9	4/10	33	1
Pioneer variety XW662	39.2	--	--	53	24.3	4/11	33	2
Terral LA422	39.1	--	--	56	25.1	4/09	33	2
Jaypee	38.9	--	--	54	18.4	4/06	32	2
Pioneer variety 2691	38.4	--	--	53	22.3	4/06	32	1
GA Stuckey	37.5	--	--	54	22.7	4/09	30	2
Fleming	36.5	--	--	58	27.2	4/09	33	1
Pioneer variety 2643	36.3	--	--	53	21.2	4/10	30	1
Florida 304	35.3	--	--	51	20.6	4/12	34	1
LA87167D8-10-2	33.7	--	--	52	18.4	4/09	32	1
Pioneer variety XW663	31.8	--	--	55	25.6	4/07	35	1
Overall Mean	46.4	--	--
LSD (.10)	9.6	--	--
Error degrees of freedom	138	--	--
CV (%)	17.7	--	--
R2 (%)	58	--	--

¹Planted October 15, 1997.
Harvested June 3, 1998.
Soil fertility: pH=7.2, P=L, K=H.
Fertilizer added: 150 lb N/A, 60 lb/A (130 lb/A 0-46-0).
P₂0₅ Herbicide: Harmony Extra @ .3 oz/A.
²See "Procedures" for a description of the lodging score ratings.

Table 2. 1997-98 wheat yields at location 3, Hawks Farming in Hernando (Collins silt loam soil).1
Brand/Variety	1997-98 yield	2-year avg. yield2	3-year avg. yield	Test weight	Seed weight	Date headed3	Plant height	Lodging score4
	bu/A	bu/A	bu/A	lb/bu	g/1000		in
Roane	83.3	--	--	60	32.2	--	32	1
FFR 522W	80.7	--	--	59	35.9	--	34	1
Agripro Shiloh	76.7	--	--	56	34.5	--	31	1
AR494B-2-2	75.1	--	--	57	35.7	--	34	1
NK Coker 9663	71.7	73.7	--	57	35.2	--	34	1
Delta King H1551	69.4	--	--	56	29.7	--	31	1
Terral TV 8768	68.9	67.0	--	56	32.6	--	37	1
Jackson	68.3	63.2	--	55	28.4	--	31	1
Delta King XP9121	68.1	--	--	58	30.3	--	33	1
EK X78753	68.0	--	--	56	32.2	--	33	1
NK Coker 9704	68.0	--	--	59	29.5	--	31	1
EK 102	66.5	61.2	--	54	36.3	--	33	1
Agripro Mallard	65.9	64.3	--	56	31.7	--	31	1
Delta King 9027	65.2	--	--	57	30.7	--	33	1
Pocahontas	63.6	--	--	57	35.3	--	30	1
Terral TV 8557	63.3	60.6	--	56	31.6	--	34	1
EK X78912	63.3	--	--	57	31.4	--	32	1
Delta King 9051	63.2	--	--	58	30.7	--	32	1
NK Coker 9803	62.2	60.6	--	58	30.1	--	31	1
Agripro Mason	61.4	60.8	--	57	35.0	--	31	1
FFR 518W	61.3	--	--	55	30.9	--	30	1
AR584A-3-1	61.1	--	--	58	32.8	--	37	1
NK Coker 9835	60.7	62.1	--	53	28.8	--	28	1
Wakefield	60.7	58.1	--	55	35.8	--	35	1
Agripro Shelby	60.2	--	--	57	31.4	--	33	1
Terral LA422	58.9	56.2	--	56	30.0	--	31	1
Terral TV 8825	58.0	55.4	--	55	26.3	--	32	1
NK Coker 9134	57.8	58.4	--	55	30.1	--	33	1
Terral TV 8555	57.2	57.2	--	56	32.1	--	30	1
GA Dozier	56.8	57.6	--	59	31.6	--	30	1
Pioneer variety 2643	56.7	54.8	--	56	28.8	--	26	1
Pioneer variety 2684	56.6	58.6	--	56	33.6	--	29	1
VA 94-54-479	56.1	--	--	56	38.1	--	29	1
Agripro D93*7163	55.4	--	--	53	25.4	--	30	1
Jaypee	55.2	57.3	--	58	25.8	--	30	1
GA Stuckey	54.3	54.8	--	55	27.6	--	29	1
Pioneer variety XW662	53.7	--	--	54	33.6	--	32	1
Pioneer variety 2691	53.0	65.9	--	55	28.4	--	29	1
Clemson 201	52.0	--	--	56	26.0	--	32	1
LA87167D8-10-2	50.0	--	--	56	25.8	--	29	1
NK Coker 9543	48.5	53.7	--	57	23.7	--	30	1
LA8952B7-3-1	48.1	--	--	54	30.1	--	30	1
Roberts	48.1	--	--	55	28.4	--	30	1
Morey	47.0	55.0	--	54	25.9	--	32	1
Fleming	44.2	--	--	58	29.6	--	30	1
Florida 304	42.9	49.3	--	54	30.4	--	31	1
Pioneer variety XW663	41.7	--	--	56	35.9	--	31	1
Overall Mean	60.2	59.4	--
LSD (.10)	8.0	9.3	--
Error degrees of freedom	138	132	--
CV (%)	11.4	18.9	--
R2 (%)	71	39	--

¹Planted October 22, 1997.
Harvested June 8, 1998.
Soil fertility: pH=5.7; P=L; K=H.
Fertilizer added: At planting, 34 lb N/A, 67 lb/A P₂0₅, 87 lb/A K²O (336 lb/A 10-20-26); Topdress, 100 lb N/A.
²1996 and 1998 averages.
³Data not taken.
⁴See "Procedures" for a description of the lodging score ratings.

Table 3. 1997-98 wheat yields at location 4, B&R Farms in Mayersville (sharkey clay soil).1
Brand/Variety	1997-98 yield	2-year avg. yield2	3-year avg. yield	Test weight	Seed weight	Date headed	Plant height	Lodging score3
	bu/A	bu/A	bu/A	lb/bu	g/1000		in
FFR 522W	74.5	--	--	60	33.0	4/10	29	1
EK X78753	72.2	--	--	58	37.2	4/04	29	1
Agripro Mallard	71.6	74.4	--	59	34.1	4/13	29	1
Roane	70.6	--	--	60	32.5	4/13	27	1
Delta King 9027	67.7	--	--	59	29.2	4/13	32	1
Delta King H1551	66.2	--	--	59	33.3	4/10	25	1
Terral TV 8768	65.6	63.0	--	58	31.3	4/14	33	1
EK 102	65.4	66.3	--	58	39.5	4/10	31	1
Roberts	64.9	--	--	60	30.6	4/01	26	1
AR494B-2-2	64.5	--	--	59	37.4	4/05	28	1
NK Coker 9543	64.0	61.7	--	61	33.0	4/08	26	1
Pocahontas	63.9	--	--	58	35.9	4/06	27	1
Jackson	63.8	53.2	--	59	35.1	4/10	29	1
Delta King 9051	63.1	--	--	60	34.4	4/12	29	1
NK Coker 9134	62.9	62.5	--	60	32.2	4/05	27	1
Terral TV 8555	62.8	45.0	--	60	38.2	4/10	26	1
EK X78912	62.2	--	--	59	33.3	4/09	31	1
Agripro Shelby	62.1	--