National survey of the economically important Tilletia species (T. controversa, T. caries, T. foetida) on winter wheat in Hungary (2007–2009)

Halász, Ágnes (2011) National survey of the economically important Tilletia species (T. controversa, T. caries, T. foetida) on winter wheat in Hungary (2007–2009). Acta Phytopathologica et Entomologica Hungarica, 46 (1). pp. 27-37. ISSN 0238-1249

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Abstract

Dwarf bunt disease had been reported until 2009 from five of the fifteen wheat growing countries which imposed zero tolerance on the presence of T. controversa teliospores in imported wheat. Because of the possible export restrictions, Hungary has to do annual surveys to prove that the country is free from T. controversa. According to nation-wide surveys carried out between 2007–2009, 0% of the samples were contaminated with T. caries or T. foetida in 2007, whereas common bunt was detected in 12.77% and 15.24%of the samples in 2008 and 2009, respectively. In addition, hundred percent of the samples examined were free from T. controversa between 2007–2009. The possible reasons for the absence of dwarf bunt disease in Hungary are discussed.

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