Experimental Evidence of Tree Health Impacts
Authored By: P. G. Schaberg, E. K. Miller, C. Eagar
Although based on basic understandings of the distribution and physiology of Ca in plants, experimental evidence that Ca deficiencies could reduce stress tolerance in trees has only recently surfaced. This evidence was first documented for the well-studied phenomenon of winter injury in red spruce (Picea rubens Sarg.), but was later shown to be relevant to other tree species and stresses other than freezing injury.
Subsections found in Experimental Evidence of Tree Health Impacts
- Mechanism of Red Spruce Winter Injury : Red spruce winter injury is the reddening and mortality of the foliage in late winter followed by its abscission in late spring (DeHayes 1992).
- Pertinence to other Tree Species and Stressors : The bulk of experimental evidence elucidating the influence of Ca depletion on tree nutrition and stress response has involved winter freezing injury of red spruce.
Encyclopedia ID: p3184
