Table 8. Mean yields across and by location of 40 medium-season (114-116 DAP) corn hybrids evaluated in replicated small plot trials at four REC locations in Tennessee during 2018. Analysis included hybrid performance across a 1 yr (2018), 2 yr (2017-2018), and 3 yr (2016-2018) period.

Hybrid	Herbicide Pkg†	Insect Pkg.†	Avg. Yield§ (bu/ac) 1 yr	MS Avg. Yield§ 1 yr	Avg. Yield§ (bu/ac) 2 yr	MS Avg. Yield§ 2 yr	Avg. Yield§ (bu/ac) 3 yr	MS Avg. Yield§ 3 yr	Knoxville Irr. (bu/acre) 1 yr	Knoxville Irr. (bu/acre) 2 yr	Knoxville Irr. (bu/acre) 3 yr	Springfield Irr. (bu/acre) 1 yr	Springfield Irr. (bu/acre) 2 yr	Springfield Irr. (bu/acre) 3 yr	Springfield Non-Irr. (bu/acre) 1 yr	Springfield Non-Irr. (bu/acre) 2 yr	Springfield Non-Irr. (bu/acre) 3 yr	Milan Irr. (bu/acre) 1 yr	Milan Irr. (bu/acre) 2 yr	Milan Irr. (bu/acre) 3 yr	Milan Non-Irr. (bu/acre) 1 yr	Milan Non-Irr. (bu/acre) 2 yr	Milan Non-Irr. (bu/acre) 3 yr	Jackson Irr. (bu/acre) 1 yr	Jackson Irr. (bu/acre) 2 yr	Jackson Irr. (bu/acre) 3 yr	Memphis Irr. (bu/acre) 1 yr	Memphis Irr. (bu/acre) 2 yr	Memphis Irr. (bu/acre) 3 yr
LG Seeds LG5650VT2RIB**	RR2	VT2P	218	a-b	211	a-b	215	a-c	246	247	225	222	179	197	173	162	185	257	239	242	224	242		223	226		176	183
Armor 1447	RR2	VT2P	218	a	205	b-d			238	234		223	176		175	159		261	250		210	235		204	212		205	168
AgriGold A6659VT2RIB**	RR	VT3P	217	a-c	211	a-b	215	a-c	236	241	215	218	186	202	176	154	180	257	245	245	195	232		225	236		206	188
Dekalb DKC65-95 VT2P**	RR2	VT2P	214	a-d	211	a-b			239	241		218	183		190	163		237	235		213	239		224	229		170	182
LG Seeds LG5643VT2RIB***	RR2	VT2P	213	a-e	215	a	219	a	223	232	215	216	175	196	164	148	183	296	279	273	220	251		223	237		155	187
AgriGold A6572VT2RIB***	RR2	VT2P	212	a-f	208	a-c	216	a-b	243	249	229	225	181	193	185	164	188	249	234	242	203	228		213	231		167	171
Dekalb DKC66-75 VT2P	RR2	VT2P	211	a-g					236			204			184			260			214			223			150
Hefty Seed Co. H6413	RR2	VT2P	211	a-g					230			215			182			257			210			232			153
Mission Seed Solutions Mex 1548DGVT2P	RR2	VT2P	210	a-h					235			218			168			238			224			226			158
Pfister 75Y1PCR	RR2,LL	PC	210	a-h					229			222			175			245			213			229			152
Warren Seed DS 7215	RR2,LL	PC	210	a-h					219			221			173			255			200			230			172
Progeny PGY4114VT2P	RR2	VT2P	209	a-i	205	b-d	208	c-d	221	225	206	221	180	189	167	155	174	259	246	247	200	231		211	226		174	171
Terral REV 24BHR99	RR2,LL	YGCB, HX1	209	a-i					215			207			174			252			206			210			202
Progeny PGY6116VT2P	RR2,LL	VT2P	208	a-j	202	c-e	209	b-d	245	243	219	206	178	193	172	148	170	259	243	250	201	226		220	220		159	151
Wyffels W8646RIB	RR2	VT2P	207	a-k	202	c-e			222	218		214	177		186	169		254	235		188	231		220	222		149	157
Croplan 5678VT2P	RR2	VT2P	206	b-k					239			208			170			243			179			242			160
AgriGold A645-10VT2RIB	RR2	VT2P	205	c-l	197	d-f			221	219		209	177		170	153		237	219		199	214		210	218		190	179
Dyna-Gro D54VC14	RR2	VT2P	205	c-l					247			200			159			245			205			208			172
Taylor 8866 VT2Pro	RR2	VT2P	204	d-m					226			211			170			245			211			198			167
Armor 1667	RR2	VT2P	203	d-m	193	e-g			217	222		218	175		182	160		238	224		210	227		207	213		145	132
Progeny PGY8116SS	RR2,LL	SSX	203	d-m	196	e-g			222	229		209	171		166	154		243	213		202	232		218	211		167	165
Warren Seed DS 7414	RR2,LL	PC	203	d-m	196	e-g			231	223		208	174		186	164		216	209		172	207		215	213		192	180
Hefty Seed Co. HCExp 11522	RR2, LL	SSX	203	d-m					235			214			161			247			194			211			162
Dekalb DKC64-35 VT2P	RR,LL	VT2P	202	e-n	206	b-c			207	230		206	168		167	151		248	249		215	244		222	234		151	164
Augusta A4465	GT	3220GT	201	f-n					221			208			161			256			201			195			167
Progeny PGY EXP1814	RR2,LL	VT2P	199	g-o					193			222			179			244			200			212			147
Progeny PGY7115VT2P	RR2,LL	VT2P	199	h-o					227			212			163			234			182			212			166
Terral REV 25BHR26	RR2,LL	YGCB,HX1	198	i-p	194	e-g	203	d	225	222	205	204	165	178	158	145	177	235	230	239	198	204		202	223		168	161
LG Seeds LG5663VT2RIB	RR2	VT2P	198	i-p	195	e-g	206	d	237	229	218	210	166	184	164	145	182	214	216	228	201	231		213	221		145	157
Taylor EXP C-114-16	RR2	VT2P	198	i-p					217			202			168			236			182			208			173
AgriGold A646-12STX	RR2, LL	SSX	197	j-p					223			197			170			235			193			226			149
Pfister 74D2PCR	RR2,LL	PC	196	k-p					215			216			177			207			182			208			161
Hefty Seed Co. H6524	RR2	VT2P	196	k-p					205			220			180			235			189			200			145
Augusta A5464	GT	3220GT Ezrefuge	195	k-p					228			199			148			226			210			198			169
Hefty Seed Co. H6502	RR2	VT2P	195	k-p					231			206			163			222			185			202			156
Warren Seed DS 7915 PE	RR2,LL	PC	194	l-p					221			203			157			218			170			225			162
Taylor EXP C-116-18	RR2	VT2P	192	m-p					204			194			172			231			181			209			154
Croplan 5290DGVT2P	RR2	VT2P	191	n-p	191	f-g			230	225		204	156		168	148		238	232		197	234		208	211		80	124
Terral REV 25BHR89	RR2,LL	YGCB, HX1	189	o-p					211			209			167			221			194			180			146
Augusta A5065	GT	3111GT	187	p	188	g			201	224		177	149		155	137		221	227		194	205		188	208		163	161
Average			203		201		211		225	231	217	210	173	192	171	154	180	242	235	246	199	229	–	213	222	–	163	166	–
Standard Error			11		14		12		12	8	20	10	39	28	9	19	29	8	13	9	11	27	–	9	10	–	15	11	–
L.S.D..05			11		8		7		N.S.	N.S.	16	N.S.	N.S.	N.S.	19	12	N.S.	21	20	15	28	19	–	24	N.S.	–	41	30	–
C.V.			9		9		8		9	9	8	8	9	8	7	7	8	5	7	6	8	7	–	7	8	–	16	16	–
Plots per entry (reps x locs.)			21		42		36		3	6	9	3	6	9	3	6	9	3	6	9	3	6	–	3	6	–	3	6	–

† Hybrids that have any MS letter in common are not significantly different in yield at the 5% level of probability.

* Hybrids marked with an asterisk were in the top performing “A” group for two (**) or three (***) years within the previous three year evaluation period.

‡ For a full description of abbreviated biotech traits, see table 17.

All yields are adjusted to 15.5% moisture.

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Virginia Sykes

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Table 31. 2018 Abbreviations for Biotech Traits - December 19, 2018
Table 30. 2018 Seed Company Contact Information - December 19, 2018
Table 29. 2018 Variety Characteristics - December 19, 2018