Desempenho fenotípico de bases genéticas de milho em relação às variáveis meteorológicas
DOI:
https://doi.org/10.24221/jeap.10.1.2025.6864.012-022Keywords:
Zea mays L., global solar radiation, thermal sumAbstract
The objective of this work was to verify if the genetic bases of maize present differentiated responses to the effects of meteorological variables. Five sowing dates were performed and 71 genotypes were evaluated on September 21, 2021 and 78 genotypes on October 20, 2021, November 20, 2021, December 20, 2021 and January 30, 2022. Each genotype was phenologically characterized at each sowing date. Plant height was obtained from the average of five plants per genotype. Grain yield was evaluated from all plants in the plot, corrected to 13% moisture. With the duration of the phenological stages, the accumulated global solar radiation and the thermal sum in the vegetative and reproductive stages were calculated. Descriptive statistics were calculated: minimum, mean, maximum, coefficient of variation and confidence interval (95%) for the mean. Single, triple, and double hybrids and maize varieties show similar responses to the effects of meteorological variables.Downloads
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Copyright (c) 2025 Murilo Vieira Loro, Alberto Cargnelutti Filho, Mikael Brum dos Reis, João Augusto Andretta, Vithória Morena Ortiz, Bruno Raul Schuller
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