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Time of Germination: A Factor in Rate of Growth of Accelerated Transplants of Black Spruce (Picea mariana (Mill) B.S.P)

Cotyledonous black spruce (Picea mariana (Mill) B.S.P.) seedlings, initiated in "cigarette" germination plugs, were planted in peat cubes over a range of dates in the greenhouse. Following midsummer transplanting, bareroot trees were sampled in the fall of each production year. Rate of growth through the first and second year in the nursery is related to time of germination. Second-year growth is related to size of stock after the first season in transplant beds. Rate of growth in terms of daily dry weight increment was found to be related to time of germination through both the first and second seasons in the nursery. Second-year growth was also related to stock size at the end of the first season. (Tree Planters' Notes 37(1):20-24; 1986)


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Author(s): Douglas A. Skeates

Publication: Tree Planters' Notes - Volumes 37, Number 1 (1986)

Section: General

Volume: 37

Number: 1

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