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Minja, EMAmpofo, James Kwasi O.Mziray, HAMowo, J.Kizugutu, TM[Integrated pest management training workshop report : Training of bean farmers and village extension officers, Lushoto District Tanga Region, North Eastern Tanzania]Integrated pest management training workshop report : Training of bean farmers and village extension officers, Lushoto District Tanga Region, North Eastern Tanzania

Minja, EMAmpofo, James Kwasi O.Mziray, HA[Bean farmer field days report: field days for bean farmer groups in Hai District, Northern Tanzania]Bean farmer field days report: field days for bean farmer groups in Hai District, Northern Tanzania

Minja, EMAmpofo, James Kwasi O.Mziray, HA[Hai District, field visit to Sanya Juu Village by ECABREN coordinator]Hai District, field visit to Sanya Juu Village by ECABREN coordinator

The incidence of the black bean aphid, Aphis fabae check for this species in other resources scop. (Homoptera: Aphididae), and its colonization of common beans (phaseolus vulgaris L.) grown as sole crop and as intercrops with maize ( Zea mays check for this species in other resources L.) of var...


Ogenga-Latigo, MWBaliddawa, CWAmpofo, James Kwasi O.[Factors influencing the incidence of the black bean aphid, Aphis fabae scop., on common beans intercropped with maize]Factors influencing the incidence of the black bean aphid, Aphis fabae scop., on common beans intercropped with maize

In our efforts to develop strategies for the manegement of bean steam maggots (bean fly) (Ophiomyia spp; Dipteras Agromyzae) in small scale farmers systems, we focus on options that are available and sustainable within the farming environment. These include host plant resistance, cultural practic...


Ampofo, James Kwasi O.Massomo, S.M.S.[Host plant resistance, cultural practices and botanical pesticides four the management of bean stem maggot in small scale farmer systems]Host plant resistance, cultural practices and botanical pesticides four the management of bean stem maggot in small scale farmer systems
Allen, David J.Ampofo, James Kwasi O.Wortmann, Charles S.[Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo]Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo

Damage by insect pests, inter alia, is considered the liming factor of bean production in Africa. This paper reviews the current status of insect pests of beans, focusing on their ecology and management, as well as the potential for integrated pest management (IPM) approaches in subsistence fanni...


Abate, T.Ampofo, James Kwasi O.[Insect pests of beans in Africa: Their ecology and management]Insect pests of beans in Africa: Their ecology and management

The intense debate over agricultural biotechnology is at once fascinating, confusing and disappointing. It is complicated by issues of ethical, moral, socio-economic, political, philosophical and scientific import. Its vocal champions exaggerate their claims of biotechnology as saviour of the poo...


Kelemu, SegenetMahuku, George S.Fregene, Martin A.Pachico, Douglas H.Johnson, Nancy L.Calvert, Lee A.Rao, Idupulapati M.Buruchara, Robin A.Amede, TilahunKimani, P.M.Kirkby, Roger A.Kaaria, Susan K.Ampofo, James Kwasi O.[Harmonizing the agricultural biotechnology debate for the benefit of African farmers]Harmonizing the agricultural biotechnology debate for the benefit of African farmers

Bean Stem Maggot (BSM) is a serious production problem in many African countries. In South Africa, the problem receives very little research and extension attention. This study set out to assess the magnitude of the BSM problem at Greytown during the 1995 season. Using a split-plot trial, split f...


Jarvie, JAAmpofo, James Kwasi O.[An assessment of the bean stem maggot (Ophiomya spp.) damage at Greytown during the 1995 season]An assessment of the bean stem maggot (Ophiomya spp.) damage at Greytown during the 1995 season

Various control tactics are being studied for incorporation in an overall strategy for the management of bean stem maggot (Ophiomyia spp.) in beans. These include host plant resistance, cultural practices and chemical pesticides. Moderate sources of resistance have been identified and these are i...


Ampofo, James Kwasi O.[Host plant resistance and cultural strategies for bean stem maggot management]Host plant resistance and cultural strategies for bean stem maggot management

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