Markku Nygren 
Männyn siementen syyskeräys.
Nygren M. (1986). Männyn siementen syyskeräys. Silva Fennica vol. 20 no. 1 article id 5262. https://doi.org/10.14214/sf.a15441
English title: Autumn harvested Scots pine seeds: the effect of cone storage and germination conditions on germination capacityAbstract
Six seed collections were made in September–December 1984 in a natural Scots pine (Pinus sylvestris L.) stand in Southern Finland. The seeds were germinated immediately after the cone collection and three photoperiods (0.8 and 24 hours) were used in germination tests.
The seeds collected in September and October possessed relative dormancy, i.e. they did not germinate in darkness and at 10°C. Later in November and December the seeds were capable to germinate in darkness and at low temperature also. The gradual change in germination capacity is attributed to chilling temperatures in natural environments or in cone storage.
The PDF includes a summary in English.
Original keywords
mänty;
itävyys;
dormanssi;
siemenkeräys;
lepotila;
käpyjen varastointi
English keywords
Pinus sylvestris;
Scots pine;
germination capacity;
seed dormancy;
cone storage
Published in 1986
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