Studies in The World Related to Pythium Spp. Causing Root Diseases in Carrot

The carrot which is important in our nutrition, exposed to many pathogenic microorganisms in field and storage. There are many fungal pathogens cause problems in carrot production. This study purposed to give information about Pythium species that cause root disease and symptoms, in our country and the world.  Pythium species cause significant economic losses in carrots fungal diseases. The most important Pythium species known asdamping-of disease Pythium irregulare and Pythium ultimum , cavity spot disease agents; Pythium sulcatum , Pythium violae , Pythium irregulare, Pythium sylvaticum , Pythium ultimum , Pythium colaratum , root dieback; Pythium irregulare and Pythium ultimum , among these.