Journal of Energy Bioscience 2024, Vol.15, No.6, 349-357 http://bioscipublisher.com/index.php/jeb 353 5.3 Evaluation of the field performance and bioethanol yield Evaluation of field performance and bioethanol yield involves multi-environment testing to identify superior hybrids by exploring the effects of the environment on the variety and the adaptability of the variety to different environments. This includes evaluating the adaptability of maize hybrids to different planting densities and environmental conditions. For example, newly developed maize hybrids show clear genotype-environment interactions, with some hybrids showing stable high yields under a variety of conditions (Figure 2) (Omar et al., 2022). Managed environment techniques can be used to simulate drought conditions and select plants that are more adaptable under drought stress, thereby selecting drought-tolerant hybrids that can maintain high biomass and fiber yields (Cooper et al., 2014). This approach has identified hybrids that not only perform well in the field but also produce high bioethanol yields from biomass. Figure 2 Scatter plot (a) and comparison graphic (b) of GGE biplot for grain yield of 40 maize hybrids (assessed G1-G40) across six agro-environments (assessed E1-E6). The green arrow directed tested hybrids toward greater grain yield, and the other vertical green line crosses biplot origin displays the stability (Adopted from Omar et al., 2022)
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