<b>Corn population classification as to efficiency and response to phosphorus use</b> - DOI: 10.4025/actasciagron.v32i2.2632

  • Rodrigo Ribeiro Fidelis Fundação Universidade Federal do Tocantins
  • Glauco Vieira Miranda Universidade Federal de Viçosa
  • Joênes Mucci Pelúzio Fundação Universidade Federal do Tocantins
  • João Carlos Cardoso Galvão Fundação Universidade Federal do Tocantins
DOI: https://doi.org/10.4025/actasciagron.v32i2.2632
Keywords: Zea mays, mineral stress, breeding

Abstract

This work aimed to select the most efficient genotypes in phosphorus absorption and utilization in cerrado soils during corn second crop. The essay was constituted of 47 treatments (genotypes) and conducted at the experimental area of the Universidade Federal do Tocantins, Gurupi Campus. In order to simulate environments with high and low levels of phosphorus, doses of 25 and 113 kg ha-1de P2O5 were applied in the seeding, respectively. In order to identify the cultivars adequate to the environments, the study applied the methodology that suggest cultivar classification should be conducted according to use efficiency and response to phosphorus application (efficiency and response). It was concluded that the genotypes efficient in phosphorus absorption and utilization and responsive to P increase were UFVM77-0331, UFVM77-0307, UFVM77-0333, UFVM77-0381, UFVM77-0313, UFVM77-0305, UFVM77-0377 and UFVM77-0345.

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Published
2010-04-27
How to Cite
Fidelis, R. R., Miranda, G. V., Pelúzio, J. M., & Galvão, J. C. C. (2010). <b>Corn population classification as to efficiency and response to phosphorus use</b&gt; - DOI: 10.4025/actasciagron.v32i2.2632. Acta Scientiarum. Agronomy, 32(2), 241-246. https://doi.org/10.4025/actasciagron.v32i2.2632
Issue
Vol 32 No 2 (2010)
Section
Genetics and Plant Breeding

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2.0
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60th percentile
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