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SOIL & CROP SCIENCES

Genotype x environment interaction and yield stability of normal and biofortified maize inbred lines in stress and non-stress environments

ORCID Icon, , &
Article: 2163868 | Received 24 Aug 2022, Accepted 27 Dec 2022, Published online: 05 Jan 2023

Figures & data

Table 1. Description of the 11 experimental sites used during 2019 and 2020

Table 2. Description of the 24 maize inbred lines evaluated for agronomic performance across 11 sites during 2019 and 2020 cropping seasons

Table 3. AMMI analysis of variance for 24 normal and biofortified inbred lines across 11 environments

Figure 1. AMMI biplot of Factor 1 and Factor 2 scores for 24 normal and biofortified inbred lines grown across 11 environments.

Figure 1. AMMI biplot of Factor 1 and Factor 2 scores for 24 normal and biofortified inbred lines grown across 11 environments.

Table 4. Mean grain yield (t ha−1) of 24 normal and biofortified inbred lines evaluated across 11 environments in Zimbabwe

Figure 2. GGE-scatterplot based on environment-focused scaling for environments.

Blue and green numbers represent environments and genotypes, respectively.
Figure 2. GGE-scatterplot based on environment-focused scaling for environments.

Figure 3. GGE biplot showing which-won-where pattern of the 24 normal and biofortified inbred lines (G) evaluated over across 11 environments.

Figure 3. GGE biplot showing which-won-where pattern of the 24 normal and biofortified inbred lines (G) evaluated over across 11 environments.

Figure 4. GGE comparison biplot based on genotype-focused scaling for comparing the 24 normal and biofortified inbred lines with the ideal genotype.

Figure 4. GGE comparison biplot based on genotype-focused scaling for comparing the 24 normal and biofortified inbred lines with the ideal genotype.

Table 5. Stability analysis of 24 normal and biofortified maize inbred lines evaluated across 11 environments in Zimbabwe

Figure 5. Stability analysis biplot of the 24 normal and biofortified inbred lines (G) evaluated over across 11 environments using the Francis coefficient of determination (CV%).

Figure 5. Stability analysis biplot of the 24 normal and biofortified inbred lines (G) evaluated over across 11 environments using the Francis coefficient of determination (CV%).

Data availability statement

All the datasets generated in the current study are available from the corresponding author upon reasonable request.