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The current study was aimed at identifying mega‐environments in Ghana and evaluating adaptability of superior sweetpotato [Ipomoea batatas (L.) Lam.] genotypes from a targeted breeding effort. Three sets of genotypes were evaluated in multi‐environment trials (MET). Twelve sweetpotato varieties w...


Swanckaert, J.Akansake, D.Adofo, K.Acheremu, K.Boeken, B.R.Eyzaguirre, R.Grüneberg, W.J.Low, J.W.Campos, H.[Variance component estimations and mega‐environments for sweetpotato breeding in West Africa.]Variance component estimations and mega‐environments for sweetpotato breeding in West Africa.

A recent ex ante impact assessment indicates that orangefleshed sweetpotatoes can make a major contribution to alleviating vitamin A malnutrition in Sub-Saharan Africa. Replacing the white-fleshed varieties now grown by farmers with new high ß-carotene cultivars that meet local preferences would ...


Low, J.W.Walker, T.Hijmans R.J.[The potential impact of orange-fleshed sweetpotatoes on vitamin A intake in Sub-Saharan Africa.]The potential impact of orange-fleshed sweetpotatoes on vitamin A intake in Sub-Saharan Africa.
Thomas-Sharma, SaraAndrade-Piedra, J.L.Carvajal-Yepes, MonicaHernández Nopsa, J.F.Jeger, MichaelJones, RogerKromann, P.Legg, J.P.Yuen, JonathanForbes, G.Garrett, K.A.[A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops]A risk assessment framework for seed degeneration: Informing an integrated seed health strategy for vegetatively-propagated crops

Sweetpotato is usually propagated in Uganda by vine cuttings from mature crops, but sometimes sprouts from storage roots are used, especially in drought-prone areas. No information is available on whether the storage of roots of Ugandan cultivars are infected with the viruses and whether the spro...


Adikini, S.Mukasa, S.B.Mwanga, R.O.M.Gibson, R.W.[Virus movement from infected sweetpotato vines to roots and reversion on root sprouts]Virus movement from infected sweetpotato vines to roots and reversion on root sprouts

Meristem-tip culture is being used to eliminate viruses from plants. The fact that some viruses are easier to eliminate than others has been utilized in thermotherapy and chemotherapy, along with meristem-tip culture, to increase the efficacy of disease elimination. Tissue culture materials are c...


Ng, S.Y.C.Rossel, H.W.Thottappilly, G.[The role of tissue culture in the establishment of disease free germplasm for international distribution]The role of tissue culture in the establishment of disease free germplasm for international distribution

International Potato Center[Root and Tuber Crops (RTCs) for food-nutrition and livelihood security amidst climate change in the Asia-Pacific: facts and figures about root and tuber crops]Root and Tuber Crops (RTCs) for food-nutrition and livelihood security amidst climate change in the Asia-Pacific: facts and figures about root and tuber crops

International Potato Center[Roundtable meeting Nairobi, Kenya - Thematic discussion group 1]Roundtable meeting Nairobi, Kenya - Thematic discussion group 1

The purpose of these recommendations, based on the experiences and lessons from the SUSTAIN program and informed by the CGIAR gender research work, is to support CIP’s future programming efforts to take into account gender dimensions more effectively.


Mudege, Netsayi N.Heck, Simon[Building gender equitable sweetpotato value chains: recommendations for programming.]Building gender equitable sweetpotato value chains: recommendations for programming.

Background Biofortified orange-fleshed sweetpotato (OFSP) varieties are being promoted to reduce vitamin A deficiencies due to their higher beta-carotene content. For OFSP varieties to have impact they need to be accepted and consumed at scale amongst populations suffering from vitamin A deficie...


Hummel, MarijkeTalsma, Elise F.Honing, A. van derGama, Arthur ChibwanaVugt, Daniel van derBrouwer, Inge D.Spillane, Charles[Sensory and cultural acceptability tradeoffs with nutritional content of biofortified orangefleshed sweetpotato varieties among households with children in Malawi]Sensory and cultural acceptability tradeoffs with nutritional content of biofortified orangefleshed sweetpotato varieties among households with children in Malawi

The potential use of selected genotypes of sweetpotato for fries was evaluated. Moisture, fat, browning index, and beta-carotene content of fries from 10 sweetpotato genotypes, Apomuden, Bohye, Nanungungu, Otoo, CIP442162, Patron, CIP440390, Obare, Dadanyuie, and Tu-Purple, were determined by sta...


Laryea, D.Koomson, D.Oduro, I.Carey, E.[Evaluation of 10 genotypes of sweetpotato for fries.]Evaluation of 10 genotypes of sweetpotato for fries.

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