VIABILITY AND GERMINATION OF SCOTS PINE SEEDS AFTER FREEZING OF HARVESTED CONES IN VITRO
Nygren, Markku | Himanen, Katri | Ruhanen, Hanna
Scots pine (Pinus silvestris L.) cone and seed water content were analyzed in two consecutive seasons during maturation stage in the autumn and in January and March before seed dispersal. Cones with different water contents were subjected to 2 h freezing at â 30
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