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Aflatoxin contamination (AC) in maize, caused by the fungal pathogen Aspergillus flavus(Link), starts at pre-harvest stage. Hence, interventions that reduce entry and development of A. flavus in the field are required. Trials were carried out at Seatondale and Igeri, to evaluate the effects of ni...


Manoza, F.S.Mushongi, A.A.Harvey, Jagger J.W.Wainaina, J.Wanjuki, I.Ngeno, R.Darnell, RossGnonlonfin, G.J.B.Massomo, Said M.[Potential of using host plant resistance, nitrogen and phosphorus fertilizers for reduction of Aspergillus flavus colonization and aflatoxin accumulation in maize in Tanzania]Potential of using host plant resistance, nitrogen and phosphorus fertilizers for reduction of Aspergillus flavus colonization and aflatoxin accumulation in maize in Tanzania

Globally, crops are being infested with molds. In tropical regions, Aspergillus species commonly occur, some of which produce aflatoxins. Aflatoxins are hepatotoxic, nephrotoxic and carcinogenic to different degrees in livestock as well as humans, causing acute fatal disease as well as chronic il...


Lindahl, Johanna F.Harvey, Jagger J.W.Grace, Delia[Aflatoxins: Serious threat to food safety and food security: But is it related to livestock?]Aflatoxins: Serious threat to food safety and food security: But is it related to livestock?

Maize, a staple food in many African countries including Kenya, is often contaminated by toxic and carcinogenic fungal secondary metabolites such as aflatoxins and fumonisins. This study evaluated the potential use of a low-cost, multi-spectral sorter in identification and removal of aflatoxin- a...


Stasiewicz, MatthewFalade, T.D.O.Mutuma, M.Mutiga, SamuelHarvey, Jagger J.W.Fox, Glen P.Pearson, T.C.Muthomi, J.W.Nelson, Rebecca[Multi-spectral kernel sorting to reduce aflatoxins and fumonisins in Kenyan maize]Multi-spectral kernel sorting to reduce aflatoxins and fumonisins in Kenyan maize

A total of 202 poultry feed and its raw ingredients collected from different agroecological zones of Cameroon were examined for total mycoflora and the ability of A. flavus isolates to produces aflatoxin B1. Dilution plating was used for fungal isolation. The mean fungal contamination levels were...


Kana, J.R.Gnonlonfin, G.J.B.Harvey, Jagger J.W.Wainaina, J.Wanjuki, I.Skilton, Robert A.Teguia, A.[Mycobiota and toxigenecity profile of Aspergillus flavus recovered from food and poultry feed mixtures in Cameroon]Mycobiota and toxigenecity profile of Aspergillus flavus recovered from food and poultry feed mixtures in Cameroon

Food security considerations have shifted in recent years, with the recognition that available food should also be nutritious and safe. There is a growing evidence base for contamination of maize and other crops by fungal toxins in the tropics and sub-tropics. As an initial snapshot of contaminat...


Nishimwe, KizitoWanjuki, I.Karangwa, C.Darnell, RossHarvey, Jagger J.W.[An initial characterization of aflatoxin B1 contamination of maize sold in the principal retail markets of Kigali, Rwanda]An initial characterization of aflatoxin B1 contamination of maize sold in the principal retail markets of Kigali, Rwanda
Temba, Benigni A.Fletcher, Mary T.Fox, Glen P.Harvey, Jagger J.W.Okoth, Sheila A.Sultanbawa, Yasmina[Curcumin-based photosensitization inactivates Aspergillus flavus and reduces aflatoxin B1 in maize kernels]Curcumin-based photosensitization inactivates Aspergillus flavus and reduces aflatoxin B1 in maize kernels
Lindahl, Johanna F.Grace, DeliaHarvey, Jagger J.W.Kang'ethe, Erastus K.[Aflatoxins in East Africa: The importance of getting the full picture]Aflatoxins in East Africa: The importance of getting the full picture
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]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, SamuelMorales, L.Angwenyi, SamuelWainaina, JamesHarvey, Jagger J.W.Das, BiswanathNelsona, R.J.[Association between agronomic traits and aflatoxin accumulation in diverse maize lines grown under two soil nitrogen levels in Eastern Kenya]Association between agronomic traits and aflatoxin accumulation in diverse maize lines grown under two soil nitrogen levels in Eastern Kenya
Harvey, Jagger J.W.Macdevette, M.Mutiga, SamuelMutuku, Josiah M.Eldridge, T.Emmrich, Peter M.F.Grace, DeliaSenay, S.Abate, A.Darnell, RossDjikeng, Appolinaire[Poisoned chalice: Toxin accumulation in crops in the era of climate change]Poisoned chalice: Toxin accumulation in crops in the era of climate change

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