Methods for assessment of pre‑harvest sprouting in wheat cultivars

Authors

  • Melicia Ingredi Araújo Gavazza Universidade Federal do Paraná
  • Manoel Carlos Bassoi Embrapa CNPSo
  • Tereza Cristina de Carvalho Universidade Federal do Paraná.
  • João Carlos Bespalhok Filho Universidade Federal do Paraná.
  • Maristela Panobianco Universidade Federal do Paraná.

DOI:

https://doi.org/10.1590/S1678-3921.pab2012.v47.12304

Keywords:

Triticum aestivum, dormancy, grain quality, rainfall simulation.

Abstract

The objective of this work was to test methods for pre‑harvest sprouting assessment in wheat cultivars. Fourteen wheat cultivars were grown in Londrina and Ponta Grossa municipalities, Paraná state, Brazil. They were sampled at 10 and 17 days after physiological maturity and evaluated using the methods of germination by rainfall simulation (in a greenhouse), in‑ear grain sprouting, and grains removed from the ears. The in‑ear grain sprouting method allowed the differentiation of cultivars, but showed different resistance levels from the available description of cultivars. The sprouting of grain removed from the ears did not allow a reliable distinction of data on germination in any harvest date or location. The method of rainfall simulation is the most suitable for the assessment of cultivars as to pre‑harvest sprouting, regardless of the sampling date and evaluated location.

Author Biographies

Melicia Ingredi Araújo Gavazza, Universidade Federal do Paraná

Engenheira agrônoma, Mestre em Agronomia.

Departamento de Fitotecnia e Fitossanitarismo, Universidade Federal do Paraná.

Rua dos Funcionários, 1540,

80035-050,

Curitiba-PR

Manoel Carlos Bassoi, Embrapa CNPSo

Engenheiro agrônomo, Pesquisador.

Embrapa-Soja, Caixa Postal 1331 – 86.100-000,

Londrina - Paraná

Tereza Cristina de Carvalho, Universidade Federal do Paraná.

Engenheira agrônoma, Aluna de Doutorado em Agronomia.

Departamento de Fitotecnia e Fitossanitarismo, Universidade Federal do Paraná.

Rua dos Funcionários, 1540,

80035-050,

Curitiba-PR

João Carlos Bespalhok Filho, Universidade Federal do Paraná.

Engenheiro agrônomo, Professor adjunto.

Departamento de Fitotecnia e Fitossanitarismo, Universidade Federal do Paraná.

Rua dos Funcionários, 1540,

80035-050,

Curitiba-PR

Maristela Panobianco, Universidade Federal do Paraná.

Engenheira agrônoma, Professora adjunto.

Departamento de Fitotecnia e Fitossanitarismo, Universidade Federal do Paraná.

Rua dos Funcionários, 1540,

80035-050,

Published

2012-08-13

How to Cite

Gavazza, M. I. A., Bassoi, M. C., Carvalho, T. C. de, Bespalhok Filho, J. C., & Panobianco, M. (2012). Methods for assessment of pre‑harvest sprouting in wheat cultivars. Pesquisa Agropecuaria Brasileira, 47(7), 930–935. https://doi.org/10.1590/S1678-3921.pab2012.v47.12304

Issue

Section

CROP SCIENCE