Effect of Undercutting on Loblolly Pine Seedling Size and Its Relation to Root Growth Potential
Loblolly pine seedlings undercut using five different treatments extending from July to September exhibited significant alteration of shoot and root biomass. Root growth potential (RGP) (measured by number of new elongating roots) was not significantly altered by undercutting. Undercutting did significantly alter the RGP/root weight ratio and the RGP/shoot weight ratio because of both concomitant changes in root and shoot biomass and changes in seedling physiology. Root growth potential and efficiency of existing old roots to produce new roots were not well correlated with seedling size.
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Document Type: Journal Article
Affiliations: Department of Forestry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
Publication date: 1986-02-01
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