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Hanna, R. ,  Agnontcheme, D. ,  Gnanvossou, D. ,  Goergen, Georg E. ,  Agbaka, A. ,  [Inventaire et importance des degats des mouches des fruits sur quelques varietes d’agrumes au Benin] ,  Inventaire et importance des degats des mouches des fruits sur quelques varietes d’agrumes au Benin

Ajambo, S. ,  Rietveld, A. ,  Nkengla, L.W. ,  Niyongere, C. ,  Dhed'a, D.B. ,  Olaosebikan, D.O. ,  Nitunga, E. ,  Toengaho, J. ,  Lava Kumar, P. ,  Hanna, R. ,  Sufo Kankeu, R. ,  Omondi, A. ,  [Recovering banana production in bunchy top-affected areas in Sub-Saharan Africa: developing gender-responsive approaches] ,  Recovering banana production in bunchy top-affected areas in Sub-Saharan Africa: developing gender-responsive approaches

Tata-Hangy, K.W. ,  Legg, J.P. ,  Lema, K.M. ,  Hanna, R. ,  Luyindula, N. ,  [The incidence of the cassava mosaic disease in relation with the source of planting materials and its impact on cassava production] ,  The incidence of the cassava mosaic disease in relation with the source of planting materials and its impact on cassava production

Tindo, M. ,  Hanna, R. ,  Wijnans, L. ,  Nolte, C. ,  Goergen, Georg E. ,  Nguekam, A. ,  Ngeve, J.M. ,  [Pre-planting removal of host-plant residues to reduce African root and tuber scale infestations in cassava fields in Cameroon] ,  Pre-planting removal of host-plant residues to reduce African root and tuber scale infestations in cassava fields in Cameroon

Tata-Hangy, K.W. ,  Hanna, R. ,  Toko, M. ,  Lema, K.M. ,  Solo, M. ,  [Changes in population abundance of the African root and tuber scale stictococcus vayssierei Richard (hornoptera; stictococcidae) on cassava in the bas-fleuve district in the democratic Republic of Congo] ,  Changes in population abundance of the African root and tuber scale stictococcus vayssierei Richard (hornoptera; stictococcidae) on cassava in the bas-fleuve district in the democratic Republic of Congo

Pallangyo, B. ,  Hanna, R. ,  Toko, M. ,  Gnanvossou, D. ,  Mgoo, V. ,  Otema, M. ,  Onzo, A. ,  Hountondji, F.C.C. ,  Nsami, E. ,  Mfugale, O. ,  [Biological control of cassava green mite in Tanzania] ,  Biological control of cassava green mite in Tanzania

Toko, M. ,  Hanna, R. ,  Legg, J.P. ,  Andrade, M.I. ,  Jone, A. ,  Agboton, B. ,  Otema, M.A. ,  Okao-Okuja, G. ,  Obonyo, R. ,  Mambo, E. ,  [Distribution, incidence and severity of cassava diseases and pests in Mozambique] ,  Distribution, incidence and severity of cassava diseases and pests in Mozambique