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Food safety and compliance with international standards is a major challenging to achieve food security in sub-Saharan Africa. The present study evaluated the occurrence of Aspergillus flavus, Fusarium spp., and related fungi, and resultant aflatoxins and fumonsins in dried cassava and ...


Manjula, K.Hell, K.Fandohan, P.Abass, A.Bandyopadhyay, Ranajit[Aflatoxin and fumonisin contamination of cassava products and maize grain from markets in Tanzania and republic of the Congo]Aflatoxin and fumonisin contamination of cassava products and maize grain from markets in Tanzania and republic of the Congo

Nigeria, the world’s largest producer of cassava, harvests 54 million metric tonnes (Mt) of cassava tubers annually. More than 95 per cent of its uses require peeling which generates up to 14 Mt of waste annually; mostly due to challenges related to drying. Sun drying is practically impossible du...


Okike, I.Samireddypalle, A.Kaptoge, L.Fauquet, Claude M.Atehnkeng, J.Bandyopadhyay, RanajitKulakow, P.A.Duncan, Alan J.Alabi, TunrayoBlümmel, Michael[Technical innovations for small-scale producers and households to process wet cassava peels into high quality animal feed ingredients and aflasafe™ substrate]Technical innovations for small-scale producers and households to process wet cassava peels into high quality animal feed ingredients and aflasafe™ substrate

Metabolites of toxigenic fungi and bacteria occur as natural contaminants (e.g. mycotoxins) in feedstuffs making them unsafe to animals. The multi-toxin profiles in 58 commercial poultry feed samples collected from 19 districts in 17 states of Nigeria were determined by LC/ESI–MS/MS with a single...


Ezekiel, C.N.Bandyopadhyay, RanajitSulyok, M.Warth, B.Krska, R.[Fungal and bacterial metabolites in commercial poultry feed from Nigeria]Fungal and bacterial metabolites in commercial poultry feed from Nigeria

A regional Sorghum Head-Bug and Grain Mold Trial was conducted in 1996 and 1997 by WCASRN in, respectively, 15 and 13 research stations in ten west and central African countries. Empirical relationships between weather factors and head-bug damage on the one hand, and between weather factors and g...


Ratnadass, A.Butler, D.R.Marley, P.S.Bandyopadhyay, RanajitHess, D.E.Akintayo, I.[Sorghum headbugs and grain molds in West and Central Africa: II. Relationships between weather, headbug and mold damage on sorghum grains]Sorghum headbugs and grain molds in West and Central Africa: II. Relationships between weather, headbug and mold damage on sorghum grains

Resistance to anthracnose, caused by Colletotrichum graminicola, in sorghum was identified through field screening at two locations (Samanko and Longorola) in Mali. The occurrence and progress of anthracnose were monitored on 19 sorghum lines plus resistant and susceptible checks in the 1996 to 1...


Hess, D.E.Bandyopadhyay, RanajitSissoko, I.[Pattern analysis of sorghum genotype x environment interaction for leaf, panicle, and grain anthracnose in Mali]Pattern analysis of sorghum genotype x environment interaction for leaf, panicle, and grain anthracnose in Mali

Grain mold caused by a complex of fungi is an economically important disease of sorghum worldwide. Little is known about the epidemiology of sorghum grain mold, which is essential for its management. Studies were conducted to quantify the effects of wetness duration on grain mold development unde...


Navi, S.Bandyopadhyay, RanajitReddy, R.Thakur, R.Yang, X.[Effects of wetness duration and grain development stages on sorghum grain mold infection]Effects of wetness duration and grain development stages on sorghum grain mold infection

Fungal communities in soils of Nigerian maize fields were examined to determine distributions ofaflatoxin-producing fungi and to identify endemic atoxigenic strains of potential value as biologicalcontrol agents for limiting aflatoxin contamination in West African crops. Over 1000 isolates belong...


Donner, M.Atehnkeng, J.Sikora, R.A.Bandyopadhyay, RanajitCotty, P.J.[Distribution of Aspergillus section Flavi in soils of maize fields in three agroecological zones of Nigeria]Distribution of Aspergillus section Flavi in soils of maize fields in three agroecological zones of Nigeria

Banana ranks among the four most important crops in the developing world. A significant proportion of world production is also imported and consumed in developed nations. Mycosphaerella leaf spot diseases caused by Mycosphaerella species are major threats to banana production. Breedin...


Vroh Bi, IrieZandjanakou-Tachin, M.Mbah, W.Tenkouano, A.Ojiambo, P.Bandyopadhyay, Ranajit[Resistance of F1 segregating populations derived from crosses between wild banana accessions Musa acuminata spp. burmannicoides Calcutta 4 and M. balbisiana Montpellier to black leaf streak disease]Resistance of F1 segregating populations derived from crosses between wild banana accessions Musa acuminata spp. burmannicoides Calcutta 4 and M. balbisiana Montpellier to black leaf streak disease

Soybean rust, caused by Phakopsora pachyrhizi, is an important disease in Nigeria and many other soybean-producing countries world-wide. To determine the geographical distribution of soybean rust in Nigeria, soybean fields were surveyed in the Derived Savanna (...


Twizeyimana, M.Ojiambo, P.S.Sonder, KaiIkotun, T.Hartman, G.L.Bandyopadhyay, Ranajit[Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria]Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria

Several maize near-isogenic inbred lines were subjected to comparative proteomics to identify kernel proteins associated with resistance. These lines were developed in Nigeria through a joint project between ARS-SRRC and the International Institute of Tropical Agriculture. The goal of this projec...


Brown, R.L.Menkir, A.Bandyopadhyay, RanajitCleveland, T.E.Chen, Z.[Comparative proteomics of nearisogenic maize inbred lines to identify potential aflatoxinresistance markers]Comparative proteomics of nearisogenic maize inbred lines to identify potential aflatoxinresistance markers

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