Abstract
Abstract The extent of insect damage to okra (Abelmoschus esculentus (L.) Moench) and the economics of pest management in this crop have been studied over three seasons in Bangalore, India. The results of insecticide trials show that disulfoton applied at the rate of 1 kg a.i./ha at the time of sowing, followed by an application of 0.1% carbaryl 40, 50 and 65 days after germination during the rainy and late summer seasons and 40 and 55 days after germination during the winter season, gave the maximum crop yield and net income. The benefit:cost ratio was maximum with 0.1% carbaryl during the rainy and late summer seasons and with 0.035% phosalone during the winter season. The application of granular insecticides such as carbofuran and disulfoton without additional control of fruit borer (Earias vittella F.) did not significantly increase the marketable value of the crop over the cost of control. The maximum net return, benefit:cost ratio and relationship between cost of control and yield response, if any, ...
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