DISEASES OF APPLE PLANTS OF THE SOUTHERN SLOPE OF THE GREAT CAUCASUS (Azerbaijan)

This study is aimed at studying fungal diseases of apple trees grown on the southern slope of the Greater Caucasus. During the study, samples were collected from apple orchards and their mycobiota were analyzed. Among these fungi, Sphaerotheca mali Burr, Gymnosporangium tremelloides R. Harting. , Sclerotinia fructigena Aderh can be mentioned The apple genus includes more than 60 species. There are 2 species of apple in the wild form in the Caucasus and Azerbaijan. The remaining species and varieties of apple are planted and cultivated in private farms.In general, the apple genus is a fruit plant in the form of a tree or bush. All species and varieties of apple shed their leaves in winter. The height of this plant is 5-10 m. Apple fruits are used fresh, dried, jam, jam, vinegar. kvass, preserves, puree, wine, and edible oil is obtained from its seeds. The fruit contains vitamins A, B and C, sugar and iron. A vaccine is obtained from its peel and stem.Various apple varieties, widespread in some areas of the southern slope of the Greater Caucasus, are susceptible to a number of fungal diseases. We set out to study the mycobiota of this plant of great impo