During the two year study, main activity period of mango hopper was observed during February to May with peak population of 27.97/inflorescence in March and 9.75/ leaf during April. Out of the nine insecticides tested for their efficacy against pest, synthetic pyrethroids proved to be the best followed by Methyl parathion, quinalphos and endosulphan with mean mortality between 95.3 to 70.8. All the treatment were superior over control and were effective up to 10-15 days.
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Manuscript Published on 01 December 1999
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