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Effect of photoperiod on apical growth cessation in tamarack (Larix laricina) and balsam poplar (Populus balsamifera) provenances from northern Ontario
(1990)
The effects of four photoperiods (i.e. 6, 10, 14, and 18 hours) on the rate of apical
growth cessation and apical bud primordia production were studied in controlled
environment experiments using tamarack {Larix laricina ...