Absorption and translocation of 2,4-D and amitrole in shoots of the Tokay grape

Leonard, O; Weaver, R

Absorption and translocation of 2,4-D and amitrole in shoots of the Tokay grape

Authors

O. A. Leonard
R. J. Weaver

Authors Affiliations

O. A. Leonard was Lecturer in Botany, and Botanist in the Experiment Station, Davis; R. J. Weaver was Professor of Viticulture, and Viticulturist in the Experiment Station, Davis.

Publication Information

Hilgardia 31(9):327-368. DOI:10.3733/hilg.v31n09p327. November 1961.

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Abstract

Absorption and translocation of foliar-applied 2,4-D and amitrole were studied in shoots of the Tokay grape. The major aspect of this study involved investigating the relationship of the position of the treated leaves to the fruit clusters and to the age of the clusters. The techniques of autoradiography--extraction and purification, counting, and chromatography—were used. Such studies were conducted at various periods following application, the maximum time lapse being 112 days.

Physiological significance of the findings is discussed, and practical aspects are considered.

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