RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home → Publications → Forest Nursery Notes → 2009 Winter Forest Nursery Notes → 2009 Winter Forest Nursery Notes - New Nursery Literature → Growth and Defence in Young Pine and Spruce and the Expression of Resistance to a Stem-feeding Weevil

Growth and Defence in Young Pine and Spruce and the Expression of Resistance to a Stem-feeding Weevil

Wainhouse, D., Staley, J. T., Jinks, R., and Morgan, G. Oecologia 158:641-650. 2009.

Defence in young trees has been much less studied than defence in older ones. In conifers, resin within ducts in bark is an important quantitative defence, but its expression in young trees may be influenced by developmental or physical constraints on the absolute size of the resin ducts as well as by differential allocation of resources to growth and resin synthesis. To examine these relationships, we used nitrogen fertilization of 1- and 2-year-old pine and spruce to produce trees of different sizes and measured the effect on the number and size of resin ducts and the amount of resin they contained.


Download this file:

PDF document Download this file — PDF document, 115Kb

Details

Author(s): D. Wainhouse, J. T. Stanley, R. Jinks, G. Morgan

Section: Pest Management

* This publication is copyrighted.