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Seasonal variation of growth and development of the roots of five second year conifer species in the nursery
C. G. LANGLOIS, L. GODBOUT and J. A. FORTIN
Plant and Soil
Vol. 71, No. 1/3, TREE ROOT SYSTEMS AND THEIR MYCORRHIZAS (1983), pp. 55-62
Published by: Springer
Stable URL: http://www.jstor.org/stable/42934216
Page Count: 8
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Every other week over their second growing season, stem height, collar diameter, shoot and root dry masses, number of lateral roots and length of the tap root were measured on nursery grown seedlings of Abies balsamea L. Mill., Pinus banksiana Lamb., Pinus resinosa Ait., Picea mariana Mill. BSP and Picea glauca Moench Voss. Root elongation, branching and mycorrhizal development were also recorded. Given species showed distinct seasonal growth patterns. The rate and timing of maximum root growth (mg/dry weight/week) differed markedly between species. Except for the increase in height of Pinus banksiana, root and shoot growth were not negatively correlated. The results are discussed in relation to the performance of tree seedlings in the nursery.
Plant and Soil © 1983 Springer