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Titre :
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Proceedings of the thirteenth lake states forest tree improvement conference
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Auteurs :
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US Department of Agriculture Forest Service, St Paul MN (USA). North Central Forest Experiment Station ;
Forest Tree Improvement Conference (13; 1977/08/17-18; St Paul MN, USA)
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Type de document :
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congrès/colloque
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Editeur :
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Saint Paul [USA] : USDA, Forest Service, North Central Forest Experiment Station, 1979
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Format :
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no. 50 171 p.
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Langues:
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= Anglais
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Mots-clés:
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AMELIORATION GENETIQUE
;
FLORAISON
;
GRAINE
;
VERGER A GRAINE
;
VARIABILITE GENETIQUE
;
MULTIPLICATION VEGETATIVE
;
PINUS
;
PICEA
;
BETULA ALLEGHANIENSIS
;
ARBRE FORESTIER
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Source :
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USDA Forest Service General Technical Report NC (USA)
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