Disease progress rate and resistance of barley cultivars to brown leaf spot

Authors

  • João Américo Wordell Filho Epagri/Centro de Pesquisa para Agricultura Familiar (Cepaf)
  • Francisco X. Ribeiro do Vale UFV/Departamento de Fitopatologia
  • Ariano M. Prestes Embrapa Trigo
  • Laércio Zambolim UFV/Departamento de Fitopatologia

Keywords:

Bipolaris sorokiniana, Hordeum vulgare, cultivars, severity

Abstract

The disease progress rate and the level of resistance to brown spot was evaluated in barley cultivars.
The field experiment was carried out at Embrapa Trigo Experimental Station in Coxilha, Rio Grande do Sul, Brazil. Cultivars BR 2, MN 698, Embrapa 128, Embrapa 129, and CI 9539 showed statistical differences from one another regarding reaction to and severity of seed infection by brown spot, based on the scales of Fetch & Steffeson (1999) and Anderson & Banttari (1976), respectively. Cultivars BR 2, Embrapa 128, Embrapa 129, and
MN 698 showed the greatest increase in the rate of the disease progress, which varied from 2.92 to 3.62 compared to access CI 9539, even though there was no statistical difference (P > 0.05) among those cultivars. Access CI 9539 showed the lowest rate of disease progress (1.17).

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Published

2020-12-22

How to Cite

Wordell Filho, J. A., do Vale, F. X. R. ., Prestes, A. M. ., & Zambolim, L. . (2020). Disease progress rate and resistance of barley cultivars to brown leaf spot. Agropecuária Catarinense Journal, 22(2), 74–77. Retrieved from https://publicacoes.epagri.sc.gov.br/rac/article/view/822

Issue

Vol. 22 No. 2 (2009)

Section

Scientific article

License

Copyright (c) 2009 Agropecuária Catarinense Journal

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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