Genome-wide association study of Striga resistance in early maturing white tropical maize inbred lines

BMC Plant Biology

Table 1 Mean squares from the analysis of variance of grain yield and other agronomic traits of 132 tropical early maturing maize inbred lines evaluated under Striga-infested and Striga-free environments, at Mokwa between 2017 and 2018

Source of variation	Df	Yield, kg/ha	Ears per plant	Ear aspect	Striga damage rating at 8 WAP	Striga damage rating at 10 WAP	Emerged Striga plants at 8 WAP	Emerged Striga plants at 10 WAP
Striga-infested conditions
Environment (E)	1	1,041,553	4.32**	11.49**	0.29	44.16**	12.81**	19.58**
Block (Rep*E)	44	493501*	0.03	1.23	0.98	1.17*	0.15	0.09
Rep (E)	2	1117085*	0.04	3.64*	0.36	0.58	0.66**	0.10
Genotype (G)	131	846079**	0.05**	2.24**	2.08**	2.65**	0.34**	0.26**
Env*Genotype	131	320,753	0.05**	0.92	0.71	0.84	0.14*	0.15**
Error	218	323,545	0.02	0.97	0.70	0.73	0.11	0.09
Heritability		0.63	0.61	0.60	0.67	0.71	0.60	0.47
Striga-free conditions
Environment (E)	1	1484892*	4.13**	120.27**
Block (Rep*E)	44	352,004	0.06	0.83
Rep (E)	2	3428522**	0.35**	5.38**
Genotype (G)	131	1059290**	0.15**	3.10**
Env* Genotype	131	495955**	0.10**	1.28**
Error	218	347,667	0.07	0.73
Heritability		0.54	0.28	0.58

ISSN: 1471-2229