Absorption and Translocation of Di-Syston by Cotton Plants1

Abstract
The absorption and translocation of p32-labeled Di-Syston® (O, O-diethyl S-[2-(ethylthio)ethyl] phosphorodithioate) were studied by means of foliar, seed, and soil treatments. The compound was readily translocated to leaves and stems from treated leaves or roots, but in these limited experiments it did not concentrate in fruiting forms. Distribution of Di-Syston leached from germinated and ungerminated treated cottonseed into the surrounding soil showed definite downward and, to a lesser degree, lateral movement.

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