Growth differences within full-sib families of Picea abies (L.) Karst.
Eriksson, Gösta; Gagov, Velichko
In the present paper the reasons for differences in plant height within full-sib families of Norway spruce are discussed. In many cases it was shown that the duration of the growth period to some extent was responsible for the differences in plant height. If the total plant height is plotted against the percentage growth 4 or 5 weeks before growth termination, clones with good growth rhythm characteristics could conveniently be identified. Therefore this technique is recommended for selection of ortets in nurseries.
heredity; genetics; breeding; Picea abies; Norway spruce
Studia Forestalia Suecica
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