, Volume 62, Issue 3, pp 283–286 | Cite as

Biological efficacy of Trichoderma harzianum isolate to control some fungal pathogens of wheat (Triticum aestivum) in Turkey

  • Çiğdem Küçük
  • Merih Kivanç
  • Engin Kinaci
  • Gülcan Kinaci


Gaeumannomyces graminis var. tritici, Fusarium culmorum and F. moniliforme are highly important and widespread pathogens of wheat in Turkey. Trichoderma isolates have been used as biocontrol agents to protect plants against soilborne diseases in several crops. The present work was carried out to evaluate the potential of Trichoderma harzianum isolate T1 as biocontrol agents for G. graminis, F. culmorum and F. moniliforme under field conditions in 2001 and 2002. Quantitative differences were found in microbial number in soil. T. harzianum T1 had considerable effect on population densities of the tested pathogens. The total number of G. graminis, F. culmorum and F. moniliforme were lower in the T. harzianum T1 application made to seed. T. harzianum T1 application to seed had increasing affect on the yield components of wheat through better control over pathogens. The greatest counts of T. harzianum T1 were detected on root segments. Seed application by T. harzianum T1 had increasing effect on yield components of wheat.

Key words

Trichoderma harzianum fungi wheat plant pathogens biocontrol yield component 


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Copyright information

© Institute of Botany, Slovak Academy of Sciences 2007

Authors and Affiliations

  • Çiğdem Küçük
    • 1
  • Merih Kivanç
    • 1
  • Engin Kinaci
    • 2
  • Gülcan Kinaci
    • 2
  1. 1.Faculty of Science, Department of BiologyAnadolu UniversityEskisehirTurkey
  2. 2.Faculty of AgricultureEskişehir Osmangazi UniversityEskisehirTurkey

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