Relative efficacy of different organophosphorus insecticides for the control of psylla, Diaphorina citri Kuwayama.

Abstract

In field tests in the Indian Punjab in 1982-87, dimethoate, monocrotophos, oxydemeton-methyl, phosphamidon, phosalone and quinalphos were tested for their control of Diaphorina citri on mandarins. The insecticides gave 90.38 ± 3.14, 98.18 ± 2.85, 89.21 ± 2.22, 88.93 ± 1.96, 85.40 ± 7.47 and 90.53 ± 2.67% control of the pests, resp.