Pomological features of the distribution of quince on the territory of the Ordubad district of the Nakhchivan

The article presents the pomological features of quince varieties cultivated in the Ordubad district. The zones of distribution of varieties have been studied, their names and synonyms have been determined through surveys. For the first time on the territory of the Ordubad district, the cultivation of 8 varieties of quince was revealed and the terms of their ripening were determined. Phenological observations were carried out on the discovered varieties. Flowering was observed from late April to late May, depending on the zone of the identified quince varieties. From the very beginning of the development of quince varieties, the dynamics of the development of their shoots and fruits was constantly monitored. Grafting materials from promising varieties were inoculated in the zone of their distribution and on the experimental field of our institute. The pomological features of some promising varieties have been studied. The yield of each variety, average weight, size of the fruit, its color, taste, tasting ratings have been studied and reflected in the article. The most promising varieties of quince were Sary aiva, Sulu aiva, Armudvari aiva, Tursh aiva, Novrest and Ordubad.