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The common bean, Phaseolus vulgaris, is a vital crop in East and Central Africa serving as a food and cash crop and playing an important nutritional role by providing between 20 and 25% of proteins. Unfortunately bean yields have consistently remained lower than potential yield. One reason being ...


Ssekandi W.Mulumba J.W.Colangelo, P.Nankya R.Karungi J.Otim, M.Fadda, CarloJarvis, Devra I.[Modeling the use of common bean (Phaseolus vulgaris L.) traditional varieties and their mixtures with commercial varieties to manage bean fly (Ophiomyia spp.) infestation in Uganda]Modeling the use of common bean (Phaseolus vulgaris L.) traditional varieties and their mixtures with commercial varieties to manage bean fly (Ophiomyia spp.) infestation in Uganda

Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) is the vector of cassava mosaic geminiviruses that cause cassava mosaic disease (CMD), which in turn causes devastating yield losses. Surveys were conducted from October 2000 to November 2001 in four agro-ecologies in Uganda to enhance the underst...


Otim, M.Legg, J.P.Kyamanywa, S.Polaszek, A.Gerling, D.[Occurrence and activity of Bemisia tabaci parasitoids on cassava in different agro-ecologies in Uganda]Occurrence and activity of Bemisia tabaci parasitoids on cassava in different agro-ecologies in Uganda

The bean fly (Ophiomyia spp.) is considered the most economically damaging field insect pest of common beans in Uganda. Despite the use of existing pest management approaches, reported damage has remained high. Forty-eight traditional and improved common bean varieties currently grown in farmers’...


Ssekandi, W.Mulumba, J.W.Colangelo, P.Nankya, R.Fadda, CarloKarungi, J.Otim, M.de Santis, P.Jarvis, Devra I.[The use of common bean (Phaseolus vulgaris ) traditional varieties and their mixtures with commercial varieties to manage bean fly (Ophiomyia spp .) infestations in Uganda]The use of common bean (Phaseolus vulgaris ) traditional varieties and their mixtures with commercial varieties to manage bean fly (Ophiomyia spp .) infestations in Uganda

Parasitism rates of Bemisia tabaci(Gennadius) and searching and oviposition behaviours of its parasitoid Eretmocerus mundus Mercet were compared on two cassava varieties: a glabrous variety, Nase 4 and a hirsute variety, MM970245 withc.88 leaf hairscm2. Parasitism was assessed after potted plants...


Otim, M.Kyalo, G.Kyamanywa, S.Asiimwe, P.Legg, J.P.Guershon, MGerling, D.[Parasitism of Bemisia tabaci (Homoptera: aleyrodidae) by Eretmocerus mundus (Hymenoptera: aphelinidae) on cassava]Parasitism of Bemisia tabaci (Homoptera: aleyrodidae) by Eretmocerus mundus (Hymenoptera: aphelinidae) on cassava

Three field trials were conducted at Namulonge Agricultural and Animal Production Research Institute to investigate the population dynamics of Bemisia tabaci Gennadius and its associated aphelinid parasitoids in Uganda. Results showed that more whitefly occurred on the cassava mosaic disease-resi...


Otim, M.Legg, D.J.Kyamanywa, S.Polaszek, A.Gerling, D.[Population dynamics of Bemisia tabaci (Homoptera: Aleyrodidae) parasitoids on cassava mosaic disease resistant and susceptible varieties]Population dynamics of Bemisia tabaci (Homoptera: Aleyrodidae) parasitoids on cassava mosaic disease resistant and susceptible varieties

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