Desempenho fenotípico de bases genéticas de milho em relação às variáveis meteorológicas

Authors

DOI:

https://doi.org/10.24221/jeap.10.1.2025.6864.012-022

Keywords:

Zea mays L., global solar radiation, thermal sum

Abstract

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.

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Author Biographies

Alberto Cargnelutti Filho, Universidade Federal de Santa Maria

Docente do Departamento de Fitotecnia da Universidade Federal de Santa Maria

Mikael Brum dos Reis, Universidade Federal de Santa Maria

Discente do Curso de Agronomia da Universidade Federal de Santa Maria

João Augusto Andretta, Universidade Federal de Santa Maria

Discente do Curso de Agronomia da Universidade Federal de Santa Maria

Vithória Morena Ortiz, Universidade Federal de Santa Maria

Discente do Curso de Mestrado em Agronomia da Universidade Federal de Santa Maria

Bruno Raul Schuller, Universidade Federal de Santa Maria

Discente de Curso de Agronomia da Universidade Federal de Santa Maria

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Published

2025-02-06

How to Cite

Loro, M. V., Cargnelutti Filho, A., Reis, M. B. dos, Andretta, J. A., Ortiz, V. M., & Schuller, B. R. (2025). Desempenho fenotípico de bases genéticas de milho em relação às variáveis meteorológicas. Journal of Environmental Analysis and Progress, 10(1), 012–022. https://doi.org/10.24221/jeap.10.1.2025.6864.012-022