title: Growth, fruiting peculiarities and efficiency of cultivation of Ukrainian apple clones (Malus domestica Borkh.) of the ‘Jonagold’ variety
abstract: Purpose. On the basis of a comprehensive study of the characteristics of growth, development, fruiting and quality of the fruits of spontaneous mutants of the apple tree (Malus domestica Borkh.) of ‘Jonagold’ variety, select clones which differ from the original variety in tree growth strength and are superior in yield, marketability, fruit keeping quality and economic production efficiency of the latter.Methods. Field, laboratory, comparison, generalization and mathematical statistics.Results. 
journal: Plant varieties studying and protection