Growth and Silviculture of Larch Hybrids
Larch hybrids, as the term is commonly understood in the Northeast, are crosses between the Japanese ( Lerix leptolepis ) and European larch (L . decidua ); not only the first generation Dunkeld hybrid ( L . eurolepis ) but all the subsequent hybrid generations and possible back-crosses. With us, these two species and their hybrid progeny interbreed very readily; in fact, it seems that the Japanese are often more receptive of European pollen than of their own. All these crosses, at least to F 4 , exhibit hybrid vigor. So what we are talking about is the growth and silviculture of exceptionally vigorous and varied hybrid swarms.
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Author(s): David B. Cook
Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1965
