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Recent and current efforts at IITA to assess risks due to the various biotic stresses, arthropod pests and diseases, are presented for different cropping systems. In the case of cassava arthropod pests, the focus is on temperature-mediated interactions between the pest and its natural enemy which...


Tamo, M.Beed, Fen D.Goergen, Georg E.Hanna RCoyne, D.Asten, Piet J.A. vanLegg, J.P.[Risk assessment and modelling: IITA]Risk assessment and modelling: IITA
Taulya GAsten, Piet J.A. vanLeffelaar, P.A.Giller, Ken E.[Drought stress, nitrogen and potassium deficiency effects on dry matter partitioning in East African highland bananas]Drought stress, nitrogen and potassium deficiency effects on dry matter partitioning in East African highland bananas

Mulch applications generally have a large beneficial effect on the productivity of important perennial cash crops in the East African Highlands such as bananas (Musa spp.) and coffee (Coffea spp.), due to the conservation of soil moisture and the improvement of soil fertility. However, the availa...


Asten, Piet J.A. vanTwagirayezu, A.Gaidashova, S.V.[Effect of Guatamala grass (Tripsacum laxum) mulch applications on soil moisture conservation and soil fertility status]Effect of Guatamala grass (Tripsacum laxum) mulch applications on soil moisture conservation and soil fertility status

Smallholder potato yields in Uganda are low (<4.7 tha-1) compared to 25 tha-1 attainable on-station yields, attributed to: poor quality seed, low soil fertility, pests and diseases, limited knowledge and weak policy environment. Potatoes however represent about half of the total monetary value of...


Walukano, W.Pali, Pamela N.Wairegi, L.W.I.Nanfumba, D.Arinaitwe, A.Basalirwa, D.Asiimwe, R.Asten, Piet J.A. van[Yield gap analyses to inform policy on sustainable crop intensification pathways in Uganda]Yield gap analyses to inform policy on sustainable crop intensification pathways in Uganda
Jefwa, J.M.Rutto, LKKahangi, EMAsten, Piet J.A. vanLosenge, TMwajita, MVanlauwe, BernardSanginga, Nteranya[Arbuscular mycorrhizal fungi (AMF) in the rhizosphere of bananas in farming systems of Central Kenya]Arbuscular mycorrhizal fungi (AMF) in the rhizosphere of bananas in farming systems of Central Kenya
Asten, Piet J.A. van[Intercropping coffee and bananas- soil challenges and income benefits: proceedings of Ugandan Annual Coffee Stakeholder meeting 30 September 2009, Kampala, Uganda.]Intercropping coffee and bananas- soil challenges and income benefits: proceedings of Ugandan Annual Coffee Stakeholder meeting 30 September 2009, Kampala, Uganda.

In Uganda, highland banana yields (5-30 t ha-1yr-1) are low in comparison to potential yields (70 t ha-1yr-1) due to high pest and disease pressure, soil fertility decline, and poor management. Although it is generally accepted that soil exhaustion is a major cause of low and declining yields, th...


Asten, Piet J.A. vanGold, C.Wendt, J.Waele, D. deOkech, S.Ssali, H.Tushemereirwe, W.K.[Contribution of soil quality to banana yield problems and its relation with other banana yield loss factors]Contribution of soil quality to banana yield problems and its relation with other banana yield loss factors
Jefwa, J.M.Vanlauwe, BernardCoyne, D.Asten, Piet J.A. vanGaidashova, S.V.Rurangwa, E.Mwashasha, MElsen, A[Benefits and potential use of arbuscular mycorrhizal fungi (AMF) in banana and plantain (Musa spp.) Systems in Africa]Benefits and potential use of arbuscular mycorrhizal fungi (AMF) in banana and plantain (Musa spp.) Systems in Africa

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