Leaf Symptoms, Yield, and Composition of Mineral-deficient American Ginseng1

in HortScience
Leonard P. StoltzDepartment of Horticulture and Landscape Architecture, University of Kentucky, Lexington, KY 40546

Search for other papers by Leonard P. Stoltz in
Google Scholar


In a study of nutrient requirements of American ginseng (Panax quinquefolium L.) foliar deficiency symptoms of Ca occurred first, followed by those for Mg and P. N-deficiency symptoms occurred very gradually, and S-deficiency symptoms never appeared. Root fresh weight gain was most restricted by omission of either Ca, P, or Mg from the nutrient solution. Omission of S resulted in a root fresh weight gain equal to that obtained with complete nutrient solution.

Contributor Notes

Received for publication June 4, 1981. The investigation reported in this paper 81-10-92 is in connection with a project of the Kentucky Agricultural Experiment Station and is published with approval of the Director.

The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.

I thank R. L. Anderson, Assistant to the Dean for Statistical Services (University of Kentucky) for statistical analysis of the data.

  • Collapse
  • Expand