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Wednesday, 17 November 2004
D0602
Evaluation of neem biopesticide for the management of cocoa capsids (Miridae) in Ghana
Daniel Obeng-Ofori, danyobeng@hotmail.com and Samuel Adjei-Boateng, abs5852002@yahoo.co.uk. University of Ghana, Legon, Crop Science Department, P.O. Box LG44, Accra, Ghana
Neem as a biopesticide for the management of cocoa capsids (Miridae) was studied in the Eastern Region of Ghana, from April 2002- December 2003.Capsids and their feeding is a major constraint to cocoa production in Ghana and causes reduction of yield of cocoa to an appreciable level of 25-30%.Aqueous Neem extract was evluated for its efficacy against cocoa capsids (Distantiella theobroma, Helopeltis antonii, and Sahbelgella singularis)in the laboratory and field studies.In the laboratory, extracts at four differnt concentrations were tested and the extrat at 250g/l was found to be most effective reducing the capsid H.antonii population to almost 80%.
Species 1: Heteroptera Miridae Helopeltis antonii
Species 2: Heteroptera Miridae Helopeltis theivora
Species 3: Heteroptera Miridae Calocoris angustatus
Keywords: Cocoa capsids, biopesticides
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COMMENTS AND CORRECTIONS
- From Jelle Duindam, Bsc, Wageningen University and Research Centre, June 24, 2005
For my master thesis I'm going to conduct a field experiment in Ghana involving the application of neem extracts in the control of capsids. I would be very gratefull if I could get more information about this subject, or access to relevant articles or contact with the persons who conducted this experiment. Sincerely yours, Jelle Duindam - From Kate, September 2, 2005
Test - From Jessica Boakye, Kwame Nkrumah University of Science and Technology Ghana, August 21, 2006
want to know more on neem and soap production in relation to the skin