[Economic and biological evaluation of clonal rootstocks of apple-trees under the conditions of western Forest Steppe of Ukraine]
2003
Hulko, B.I. (Lviv State Agrarian Univ., Dublyany, Lviv oblast (Ukraine))
Growth and development of clonal apple-tree rootstocks are studied to distinguish the better ones as for their economically valuable characteristics and to determine new elements of the technology of their reproduction. The most productive forms of dwarf and semidwarf rootstocks are selected. The advantages of high density planting in mother material nurseries are grounded. The selected forms as well as new technologies of their reproduction are introduced into plant production practices at nursery enterprises. Using the recommended rootstocks and technologies resulted in sufficient improving the efficiency of clonal rootstock production
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