1990•Iowa State University Digital Repository (Iowa State University)Open access

Nursery Practices That Improve Hardwood Seedling Root Morphology

Richard Carl Schultz, Janette R. Thompson

Abstract

A summary is given of studies during 1987-89 at State forest nurseries in Iowa, Illinois, Indiana, Missouri and Ohio. Standards are suggested for improving root and shoot characteristics (especially the number of permanent first-order lateral roots) ofQuercus rubra, Q. alba and Juglans nigra bare-rooted seedlings using control of bed density and seed source, and undercutting.

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Key concepts: Seedling, Hardwood, Forestry, Biology, Geography, Agronomy, Botany