Agronomic Performance of Corn Cultivars in Low-Altitude in the Cerrado-Amazon Ecotone

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Weder Ferreira dos Santos
Lara Rythelle Souza Bequiman
Lucas Carneiro Maciel
Joênes Mucci Peluzio
Osvaldo José Ferreira Júnior
Layanni Ferreira Sodré
Talita Pereira de Souza Ferreira
Fernando Barnabé Cerqueira
Lucas Alves de Faria

Abstract

e of this study was to evaluate the agronomic performance of corn cultivars for grain production in the south at low altitude in the Cerrado-Amazon ecotone.

Place: The research was carried out at Sítio Vitória (8°18'32.0"S, 50°36'58.0"W, 278 MASL), in the south of the state of Pará, Brazil.

Study Design: The experimental design was randomized blocks with twelve treatments and three replications. The treatments were eight corn hybrids: AG 1051, AG 8088, BM 3051, BR 2022, BR 205, BR 206, BRS 3046 and PR 27D28; and four open pollination populations: AL BANDEIRANTE, ANHEMBI, CATIVERDE and M 274.

Methodology: Sowed on January 28, 2019. The following characteristics were evaluated: ear height, plant height, number of grains per row, ear diameter, ear length, ear weight and grain yield.

Results: The cultivars showed a difference for all traits. The grain yield of the cultivars ranged from 4,567 kg ha-1 (BR 205) to 9,450 kg ha-1 (AG 1051).

Conclusion: The hybrids AG 1051 and BM 3051 were the ones that stood out the most, had the best performance in the Cerrado-Amazon ecotone.

Keywords:
Grain yield, hybrids, populations of open pollination, yield components, Zea mays L.

Article Details

How to Cite
Santos, W. F. dos, Bequiman, L. R. S., Maciel, L. C., Peluzio, J. M., Júnior, O. J. F., Sodré, L. F., Ferreira, T. P. de S., Cerqueira, F. B., & Faria, L. A. de. (2020). Agronomic Performance of Corn Cultivars in Low-Altitude in the Cerrado-Amazon Ecotone. Annual Research & Review in Biology, 35(12), 126-133. https://doi.org/10.9734/arrb/2020/v35i1230318
Section
Original Research Article

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