Abstract
In the spring of 1975 regular white pine (Pinus strobus L.) stock, 3 + 0 and 2 + 2, were measured for top length, root length, stem diameter, and top-root ratio by volume of water displacement and then planted at the Midhurst Research Unit. Survival and growth was measured for 5 years.The 2 + 2 stock was superior in survival, growth and cost for a specified stand (aggregate height per unit area at 5 years). Top length, stem diameter and root volume were found to be highly significant predictors of subsequent performance. Tentative recommendations are given for 2 + 2 white pine stock specifications as minimums of: 20 cm for top length, 0.40 cm for stem diameter, 12 ml for root volume, and a top-root ratio less than 3.5:1.
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