Kumar Manendraa*
a*Deptt. of Zoology, M.S.K.B. College, Muzaffarpur–842001, Bihar, India
Received 16th June.,2014; Revised 25th July, 2014
Abstract : Litchi is a rich source of protein, carbohydrate, minerals (calcium, phosphorous and iron) and vitamins (Thiamine, Riboflavin, Niacin, Folic Acid and Ascorbic acid). So far as Litchi cultivation is concerned India ranks second (next to China). Yield return in India is still poor due to various factors. Out of which insect infestation is most important. Out of various insect pests, Platypepla illepida Meyr was also found to be destructive to Litchi fruits. The present investigation was carried out to study the efficacy of different insecticides against the infestation of this pest. It is evident from the findings that Rogor (0.05%) and Kelthane (0.25%) as post fruiting treatment gave the significant reduction of the pests followed by Malathion (0.2%). Fruit infestation in untreated plants was 35.8% while infestation in plants treated with rogor, kelthane and malathion was 9.5%, 10.5% and 12.0% respectively. Control of borer pests of Litchi fruits will increase the yield and India may earn more foreign exchange by exporting pest free Litchi fruits in foreign markets.
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