Testcross performance of Striga-resistant maize inbred lines and testers with varying levels of Striga reaction

Table 7 Eigenvectors of the first two principal components (PCA1 and PCA2) axis as observed in yellow maize testcrosses for each tester across environments under Striga non-infested condition

	Testers
Traits	T1		T2		T3
Traits	PC1	PC2	PC1	PC2	PC1	PC2
Grain yield (kg/ha)	− 0.05	0.39	− 0.41	0.18	0.09	− 0.53
Silking (days)	0.53	0	0.4	0.37	0.5	0.27
Anthesis (days)	0.5	0.08	0.41	0.35	0.5	0.23
Anthesis silking interval (days)	0.32	− 0.29	0.06	0.17	0.2	0.37
Husk cover (1–5)	0.08	− 0.36	0.27	− 0.15	− 0.23	0.28
Plant aspect (1–5)	0.37	− 0.16	0.32	− 0.06	− 0.11	0.1
Ear aspect (1–5)	0.32	− 0.27	0.32	0.03	0.05	0.47
Ear height (cm)	0.27	0.47	− 0.22	0.55	0.42	− 0.19
Plant height (cm)	0.19	0.48	− 0.28	0.52	0.43	− 0.28
Ear per plant (no.)	− 0.09	− 0.3	− 0.3	− 0.27	0.14	− 0.21
Proportion of variance accounted by	30.42	24.25	37.37	21.1	29.55	24.4
Total variance (%)	54.7		58.5		53.9

ISSN: 2662-4044