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Cereal Research Communications

, Volume 36, Issue 4, pp 637–645 | Cite as

Epidemiology and Control of Seed-Borne Drechslera teres on Barley

  • M. CarmonaEmail author
  • D. Barreto
  • R. Moschini
  • E. Reis
Article

Abstract

Net blotch caused by Drechslera teres is an important disease in most barley-growing areas. To prevent the introduction of this pathogen into the field, seed treatment is recommended. The objectives of this research were to evaluate different fungicides for eradicating D. teres from the seed and the role of both infected and treated seeds in the epidemiology of the disease under field conditions. The three fungicides tested in vitro (iminoctadine, guazatine, and thiram + iprodione) were able to eliminate D. teres at the highest dose used in this study. Under field conditions, eradication of the pathogen was not achieved, but net blotch was significantly reduced.

Keywords

Pyrenophora teres fungicides Hordeum distichum 

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Copyright information

© Akadémiai Kiadó, Budapest 2008

Authors and Affiliations

  1. 1.Fitopatología, Facultad de AgronomíaUniversidad de Buenos AiresCapital FederalArgentina
  2. 2.Instituto de Microbiología y Zoología AgrícolaINTA, CC N° 25CastelarArgentina
  3. 3.Instituto de Clima y AguaINTA, CC N° 25CastelarArgentina
  4. 4.FitopatologíaFaculdade de Agronomía e Medicina Veterinaria Universidade de Passo FundoPasso FundoBrasil

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