Differences in the climatic adaptation of silver birch (Betula pendula) and downy birch (B. pubescen - detaljert visning

Differences in the climatic adaptation of silver birch (Betula pendula) and downy birch (B. pubescens) in Finland based on male flowering phenology

Alpo Luomajoki
Bok Engelsk 1999


Utgitt	Helsinki , 1999
Omfang	35 s. : fig.
Emner	fenologi blomstring blomstringstidspunkt pollen fotoperioder tilpasning