Scientific paper

The Effect of Season on the Root Growth Capacity of One-Year-Old Pinus radiata Seedlings

Published in: South African Forestry Journal
Volume 147 , issue 1 , 1988 , pages: 6–8

DOI: 10.1080/00382167.1988.9628964

Author(s): D. , G.M. Donald ,

Keywords: P. radiata , seasonal effect on RGC , seedling quality

Abstract

The effect of season on the Root Growth Capacity (RGC) of conditioned Pinus radiata D.D. seedlings was tested for three years. Results indicate that although the species grows actively throughout the year there is still a marked seasonal fluctuation in RGC. This peaks in early to mid winter and falls sharply 10 the spring, presumably due to an inherent spring shoot flush reducing the hormonal levels to the roots.

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