Title

Fluoride toxicity in grape vines : a case study

Document Type

Technical Bulletin

Publication Date

1981

Series Number

61

Keywords

Toxicity, Grapes, Fluoride

Abstract

The onset of visual damage varied with the season. The symptoms consisted of marginal and tip necrosis in the early stages with the necrotic areas gradually expanding between the veins. In severe cases the leaves shed. Old leaves were affected first although foliage of any age was affected in cases of severe fluoride pollution. Plant analysis indicated that damage was associated with concentrations in excess of 20 ppm fluoride.

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