Radhakrishnan Nair, C.P.2014-06-122014-06-122007-02-08In: Proceedings, PLACROSYM II, UPASI, Ootacamund, 26-29 Jun. 1979. Edited by C. S. Venkataram and others 1980 p-461-465http://hdl.handle.net/123456789/2812A field trial undertaken at Central Plantation Crops Research Institute, Regional Station, Vittal, Karnataka State showed that the relative efficacy of seven insecticides tried in controlling the population of the mealybug, Planococcus lilacinus Ckll. on Cacao and in reducing the percentage of shoots and pods infested by the mealybug was in the order monocrotophos = fenthion > phospha -midon = quinalphos>dimethoate>phosalone>endosulfan, when applied as 0.1% spray twice at monthly interval. There was no significant difference in their relative efficacy.enArticle