Onion pathogens during cultivation and storage

The results of the study of the composition of onion diseases and their pathogens. Studies to identify the composition of bows diseases were carried out on the fields of farmers of Tashkent region. From 2016 to 2018 all were found only 57 species from 29 genera, 11 families, 7 orders and 4 classes of fungi. 9 species were the most commonly occurs in the conditions of Tashkent region. The characteristic features of the spread and development of pests of onions in the field and during storage are revealed.