Autovegetative reproduction in conservation and selective cultivation of Norway spruce Picea abies (L.) Karst of Istebna race

摘要

The paper discusses the results of rooting experiments conducted with the cuttings obtained from 8-year-old spruce trees of Istebna race. The studies investigated the effects of endogenous factors, such as the place of extraction, length and origin of cuttings, and an exogenous factor, which is a rooting stimulus. ?Additional key words: rooting, cuttings, progeny