The Dilution of Dust Concentrates in Pink Bollworm Control1

Abstract
Ten pounds of 3% dieldrin-20% DDT and 10 lb. of 5% Bayer 17147 per acre were equal, respectively, to 20 lb. of 1.5% dieldrin-10% DDT and 20 lb. of 2.5% Bayer 17147 for control of the pink bollworm, Pectinophora gossypiella, in a replicated, split-plot field experiment near College Station, Texas.

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