Tests with Systemic Insecticides for Control of Insects and Certain Diseases on Potatoes1

1 February 1962

journal article
research article
Published by Oxford University Press (OUP) in Journal of Economic Entomology

Vol. 55 (1) , 62-65
https://doi.org/10.1093/jee/55.1.62

Abstract

Field tests with systemic insecticide treatments on Irish potatoes at planting in south Texas have shown that aphid, psyllid, and whitefly control was effective for 77 days and evident for 96 days after treatment. Flea beetle leaf injury was controlled. The incidence of obvious potato leafroll-psyllid yellows infected plants and potato crinkle plants was significantly reduced. Tuber yields were consistently increased. Phorate at 1.5 to 3, Di-Syston® (O,O-diethyl S-[2-(ethylthio)ethyl] phosphorodithioate) at 1.5 to 4, demeton at 1.5 to 3, and dimethoate at 3 pounds active ingredient per acre were most efficient.

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