A collection of 122 isolates of Magnaporthe oryzae, from nine sub-Saharan African countries, was assessed for virulence diversity and genetic relatedness. The virulence spectrum was assessed by pathotype analysis with a panel of 43 rice genotypes consisting of differential lines carrying 24 blast...
Mutiga, Samuel
,
Rotich, F.
,
Ganeshan, V.D.
,
Mwongera, D.T.
,
Mgonja, E.M.
,
Were, V.M.
,
Harvey, Jagger J.W.
,
Zhou, B.
,
Wasilwa, L.
,
Feng, C.
,
Ouédraogo, I.
,
Wang, G.L.
,
Mitchell, T.K.
,
Talbot, N.J.
,
Correll, J.C.
,
[Assessment of the virulence spectrum and its association with genetic diversity in Magnaporthe oryzae populations from sub-Saharan Africa]
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Assessment of the virulence spectrum and its association with genetic diversity in Magnaporthe oryzae populations from sub-Saharan Africa
Mycotoxins affect poultry production by being present in the feed and directly causing a negative impact on bird performance. Carry-over rates of mycotoxins in animal products are, in general, small (except for aflatoxins in milk and eggs) therefore representing a small source of mycotoxins for h...
Kana, J.R.
,
Gnonlonfin, G.J.B.
,
Harvey, Jagger J.W.
,
Wainaina, J.
,
Wanjuki, I.
,
Skilton, Robert A.
,
Teguia, A.
,
[Assessment of aflatoxin contamination of maize, peanut meal and poultry feed mixtures from different agroecological zones in Cameroon]
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Assessment of aflatoxin contamination of maize, peanut meal and poultry feed mixtures from different agroecological zones in Cameroon
Dasheen mosaic virus (DsMV) is member of the family Potyviridae, genus Potyvirus and infects taro and other aroids wherever they grow. DsMV infection results in characteristic feathery-mottle and mosaic symptoms on leaves and can cause up to 60% production losses on taro and other edible aroids (...
Kidanemariam, D.B.
,
Macharia, M.
,
Harvey, Jagger J.W.
,
Holton, T.
,
Sukal, A.
,
James, A.P.
,
Harding, R.M.
,
Abraham, A.
,
[First report of Dasheen mosaic virus infecting taro (Colocasia esculenta L.) from Ethiopia]
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First report of Dasheen mosaic virus infecting taro (Colocasia esculenta L.) from Ethiopia
Gachara, G.W.
,
Nyamache, A.K.
,
Harvey, Jagger J.W.
,
Gnonlonfin, G.J.B.
,
Wainaina, James
,
[Genetic diversity of Aspergillus flavus and occurrence of aflatoxin contamination in stored maize across three agro-ecological zones in Kenya]
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Genetic diversity of Aspergillus flavus and occurrence of aflatoxin contamination in stored maize across three agro-ecological zones in Kenya
Aflatoxin accumulation in maize is strongly influenced by the environment in which the crop is grown. To gain insights into the ways in which soil fertility influences aflatoxin, we investigated the relationships between agronomic traits and aflatoxin in diverse maize testcrosses that were grown ...
Mutiga, Samuel
,
Morales, L.
,
Angwenyi, Samuel
,
Wainaina, James
,
Harvey, Jagger J.W.
,
Das, Biswanath
,
Nelsona, R.J.
,
[Association between agronomic traits and aflatoxin accumulation in diverse maize lines grown under two soil nitrogen levels in Eastern Kenya]
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Association between agronomic traits and aflatoxin accumulation in diverse maize lines grown under two soil nitrogen levels in Eastern Kenya
Beyene, D.
,
Bigirimana, D.
,
Ndarubayemwo, G.
,
Niyonzima, P.
,
Abraham, A.
,
Holton, T.
,
Harvey, Jagger J.W.
,
Stomeo, Francesca
,
Dale, J.
,
James, A.
,
Harding, R.
,
[Taro for food and economic security in East Africa]
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Taro for food and economic security in East Africa
Mutiga, Samuel
,
Rotich, F.
,
Ganeshan, V.D.
,
Mgonja, E.
,
Mwongera, D.
,
Harvey, Jagger J.W.
,
Wasilwa, L.
,
Ouédraogo, I.
,
Silue, D.
,
Bo Zhou
,
Mitchell, T.
,
Guo-Liang Wang
,
Correll, J.C.
,
Talbot, N.
,
[Enhancing rice production in sub-Saharan Africa: Characterization of rice blast pathogen and establishment of a rice breeding strategy for durable disease resistance]
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Enhancing rice production in sub-Saharan Africa: Characterization of rice blast pathogen and establishment of a rice breeding strategy for durable disease resistance
Mutuku, Josiah M.
,
Wamonje, F.
,
Djikeng, Appolinaire
,
Carr, J.
,
Harvey, Jagger J.W.
,
[Modeling and manipulation of plant-aphid interactions: A new avenue for sustainable disease management of beans in Africa]
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Modeling and manipulation of plant-aphid interactions: A new avenue for sustainable disease management of beans in Africa
Niyibituronsa, Marguerite
,
Harvey, Jagger J.W.
,
Onyango, A.
,
Gaidashova, S.V.
,
Imathiu, S.
,
Mutiga, Samuel
,
Ngeno, R.
,
Wanjuki, I.
,
[Evaluation of aflatoxin contamination of soybean and soybean milk in Rwanda]
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Evaluation of aflatoxin contamination of soybean and soybean milk in Rwanda