Abstract
Germination tests were made of several lots of white pine (Pinus strobus L.) seed of different ages. In most cases after-ripening for several weeks at 8⚬-10⚬ C. increased the rate of germination markedly. This increase was most prominent in the case of seed two to three years old. Germination decreased with age, that of stratified more rapidly than that of untreated control seed.
Published Version
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