Date of Award:

5-1962

Document Type:

Dissertation

Degree Name:

Doctor of Philosophy (PhD)

Department:

Plants, Soils, and Climate

Department name when degree awarded

Plant Biochemistry and Nutrition

Committee Chair(s)

Gene W. Miller

Committee

Gene W. Miller

Committee

Herman H. Wiebe

Committee

George W. Welkie

Committee

Harris O. Van Orden

Committee

Melvin C. Cannon

Abstract

Fluoride occurs naturally in plants, but its presence has attracted attention primarily in certain industrial areas where concentrations are elevated above normal by accumulation from the atmosphere. Certain plant species have been observed to be injured as a result of accumulation of excessive fluoride from the atmosphere. The general symptoms of fluoride injury are necrotic lesions and burning which appear first in the leaf tips and margins.

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