Main onion diseases during storage and their development monitoring

The article presents materials on the main onion diseases during storage, the main types of fungi causing rot of stored products and monitoring the intensity of their development. In vegetable stores, about 20 species of micromycetes develop. The main ones are gray rot, bacterial and black aspergillosis, penicillosis. Abstract. The article presents materials on the main onion diseases during storage, the main types of fungi causing rot of stored products and monitoring the intensity of their development. In vegetable stores, about 20 species of micromycetes develop. The main ones are gray rot, bacterial and black aspergillosis, penicillosis. The research was conducted in 2017-2018. in vegetable stores in Tashkent. As a result of the research, 27 species of phytopathogenic micromycetes from 15 genera and 5 families were identified. The total loss of onions during storage as a result of the development of the three major diseases is 18,7%. The greatest lunge of stored products is observed for gray rot 10,1%, bacterial decay 5,2% and black rot 3,4%.