Abstract
Objective: To evaluate phenological and yield parameters in experimental maize (Zea mays L.) hybrids across different environments.Design/Methodology/Approach: The trials were conducted under gravity irrigation conditions with 21 experimental maize crosses and four commercial hybrids. The experiment was established in three communities in Guanajuato, Mexico, during the spring-summer agricultural cycle. A randomized complete block design with three replications was used in each environment. Genotype by environment interaction analysis was performed using the AMMI model.Results: Genotypes 23, 21, and 16 achieved the highest yield, followed by genotypes 22, 6, 17, and 5, while genotypes 8 and 13 showed the lowest yield. Limitations of the Study/Implications: The promotion of these hybrids in environments within the state of Guanajuato is desirable.Findings/Conclusions: The genotypes exhibited high genetic divergence in the expression of yield parameters and their components. The outstanding hybrids were 23, 21, and 16, showing higher yields across all locations and demonstrating better adaptation to the three evaluation environments.
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