Resultados de búsqueda - "Ugandan"

Crop wild relatives: Reprinted from Geneflow 2006 por Crop Wild Relatives

“…One such major threat is Ug99, a black-stem rust first found in Ugandan wheat in 1999. This pathogen has been appearing in fields throughout East Africa ever since, where it is reducing grain yields by up to 71%. …”
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Impact and opportunities of agroecological intensification strategies on farm performance: A case study of banana-based systems in Central and South-Western Uganda por Gambart, Clara, Swennen, Rony L., Blomme, Guy, Groot, Jeroen C.J., Remans, Roseline, Ocimati, Walter

“…We, therefore, analyzed the current farm performance for these broad range of objectives and explored optimal farm reconfigurations in two Ugandan districts, one in Central Uganda and one in Southwestern (SW) Uganda. …”
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Farmers’ preferences for east African highland cooking banana ’Matooke’ hybrids and local cultivars por Madalla, N., Swennen, R., Brown, A., Carpentier, Sebastien C., Bergh, I. van den, Crichton, R.J., Marimo, Pricilla, Weltzien, Eva, Massawe, C., Shimwela, M., Mbongo, D., Kindimba, Grace, Kubiriba, Jerome, Tumuhimbise, Robooni, Okurut, A.W., Cavicchioli, M., Ortíz, R.

“…Large fruit, drought tolerance, a strong stem, and phenotypic similarity to local cultivars were prioritized by Ugandan farmers. Both men and women farmers were more concerned with production-related characteristics, but the former valued marketing-related characteristics more, while the latter preferred use-related characteristics. …”
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Collection of cassava landraces and associated farmers' knowledge, genetic diversity and viral incidence assessment in western Kenya por Obare, I.J., Charimbu, M.K., Mafurah, J., Mutoni, C.K., Woyengo, V.W., Shah, T., Ferguson, Morag E.

“…Molecular diagnostics revealed that 60.5% of collected samples were CMD positive with 33.2% of these being East African Cassava Mosaic Virus and 27.3% being African Cassava Mosaic Virus, and 22.7% were CBSD positive with 12.1% being Cassava Brown Streak Virus and 10.6% being Ugandan Cassava Brown Streak Virus. Interestingly CMD causing viruses were found in all the counties but CBSD-associated viruses were not detected in Kakamega or Bungoma counties. …”
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Occurrence and distribution of major cassava pests and diseases in cultivated cassava varieties in western Kenya por Wosula, E.N., Shirima, R.R., Amour, M., Woyengo, V.W., Otunga, M., Legg, J.

“…Cassava brown streak virus (CBSV) and Ugandan cassava brown streak virus (UCBSV) were both detected. …”
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Determinants of women’s empowerment in the context of sustained adoption of improved crop varieties in rural Eastern Uganda por Sanya, Losira Nasirumbi, Kyazze, Florence Birungi, Lutomia, Cosmas Kweyu, Mukhwami, Johnworker Toywa, Kakuru, Medard, Shimali, Fred, Nchanji, Eileen Bogweh

“…This study aimed to investigate determinants of women’s empowerment in the context of sustained use ofimproved seed varieties among Ugandan smallholder women. Methods: The study applied a quantitative research method that enhancedunderstanding of gender relations within the selected household. …”
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RNAi-mediated resistance to diverse isolates belonging to two virus species involved in Cassava brown streak disease por Patil, B.L., Ogwok, E., Wagaba, Henry, Mohammed, I.U., Yadav, J.S., Bagewadi, B., Taylor, Nigel J., Kreuze, Jan F., Maruthi, M.N., Alicai, Titus, Fauquet, Claude M.

“…Three RNAi constructs targeting the highland species were generated, consisting of the full‐length (FL; 894 nucleotides), 397‐nucleotide N‐terminal and 491‐nucleotide C‐terminal portions of the coat protein (CP) gene of a Ugandan isolate of CBSUV (CBSUV‐[UG:Nam:04]), and expressed constitutively in Nicotiana benthamiana. …”
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'NASPOT 12 O' and 'NASPOT 13 O' sweetpotato por Mwanga, Robert O.M., Kyalo, Gerald, Ssemakula, G.N., Niringiye, C., Yada, B., Otema, M.A., Namakula, J., Alajo, A., Kigozi, B., Makumbi, R.N.N., Ball, Anna-Marie, Grüneberg, W.J., Low, Jan W., Yencho, George Craig

“…(Lam.)] cultivars, NASPOT 12 O (Namulonge sweetpotato 12 orange-fleshed) and NASPOT 13 O (Namulonge sweetpotato 13 orange-fleshed) were approved for release by the Ugandan Plant Variety Release Committee (UPVRC) in Nov. 2013 (Ssemakula et al., 2013). …”
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Men and women farmers’ perceptions of adopting improved diets for pigs in Uganda: decision‑making, income allocation, and intra‑household strategies that mitigate relative disadvan... por Carter, Natalie A., Humphries, S., Grace, Delia, Ouma, Emily A., Dewey, Catherine E.

“…The article is a qualitative genderand- household-head-disaggregated exploration of Ugandan smallholder pig farmers’ perceptions. Asset ownership, control, and access; division of labour; and decision-making related to pig rearing and pig-enterprise income are presented in the context of the potential impact of adopting improved diets for pigs (a productivity improvement). …”
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Genotype by environment cultivar evaluation for cassava brown streak disease resistance in Tanzania por Shirima, R.R., Legg, James P., Maeda, D.G., Tumwegamire, Silver, Mkamilo, G., Mtunda, K., Kulembeka, H., Ndyetabula, I., Kimata, B.P., Matondo, D.G., Ceasar, G., Mushi, E., Sichalwe, K., Kanju, E.

“…Cassava brown steak disease (CBSD), caused by Cassava brown streak virus (CBSV) and Ugandan cassava brown streak virus (UCBSV), is the most important biotic constraint to cassava production in East and Central Africa. …”
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Correlations between lung pneumonic lesions and serologic status for key respiratory pathogens in slaughtered pigs in northern Uganda por Oba, Peter, Dione, Michel M., Wieland, Barbara, Mwiine, F.N., Erume, J.

“…It provides baseline information and evidence for the magnitude of pneumonia associated with the studied pathogens and justifies future studies on their potential economic impacts on Ugandan pigs.…”
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Sweetpotato weevil resistance in sub-saharan Africa: A viable mechanism for reducing Cylas damage. por Otema, A.M., Muyinza, H., Rees, D., Farman, D., Ssemakula, G.N., Mwanga, Robert O.M., Stevenson, P.C.

“…The findings have important implications for the breeding program in Uganda and will be used to map QTLs in segregating populations from a cross between the US variety Beauregard and the Ugandan variety New Kawogo.…”
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Addressing post-harvest losses during traditional banana fermentation for increased food security in Southwest Uganda por Whitney, Cory W., Mukiibi, E., Nakaketo, C., Gebauer, J., Rietveld, Anne M., Kehlenbeck, K.

“…Reduction in PHL can complement, both culturally and nutritionally, the role that fermented banana products play in Ugandan food systems and contribute to regional food security. …”
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Genetic diversity of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) populations and presence of the B biotype and a nonB biotype that can induce silverleaf symptoms in quash,... por Sseruwagi, P., Legg, James P., Maruthi, M., Colvin, J., Rey, M., Brown, J.

“…Eight genotype clusters, Ug1–Ug8, which are supported by high bootstrap values (≥80), at 3–18% nt divergence, were revealed among the collective Ugandan B. tabaci populations. Ug1 and Ug2 (both cassava-associated) and Ug8 (sweetpotato-associated) have been reported previously in Uganda. …”
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Distribution, incidence and severity of cassava diseases and pests in Mozambique por Toko, M., Hanna, R., Legg, James P., Andrade, M.I., Jone, A., Agboton, B., Otema, M.A., Okao-Okuja, G., Obonyo, R., Mambo, E.

“…The devastating East African Cassava Mosaic Virus - Ugandan Strain (EACMVUG2) was absent from all sampled fields. …”
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Application of molecular marker-assisted selection in breeding for improved farmer/market preferred cassava varieties in Tanzania por Kullaya, A., Mkamilo, G.S., Mtunda, K., Kulembeka, H.P., Masumba, E., Marandu, E., Kanju, E., Ferguson, Morag E., Ospina, C., Marin, E.J., Santos, Luís Guillermo, Barrera, E., Morante, N., Ceballos, H., Jarvis, A., Tohme, Joseph M., Fregene, Martin A.

“…The low yield is caused by a number of factors including susceptibility of commonly grown varieties to major diseases and pests including susceptibility of local varieties to major diseases and pests such as cassava mosaic diseases (CMD), caused principally by East African Cassava Mosaic Virus (EACMV), its Ugandan variant (UgV), and African Cassava Mosaic virus (ACMV), Cassava Brown Streak Disease (CBSD), Cassava Bacterial Blight (CBB), Cassava Green Mite (CGM) and Cassava Mealy Bug (CMB). …”
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Beef value chain situation analysis for Uganda por Mubiru, Sarah, Marshall, Karen, Lukuyu, Ben A., Oba, Peter, Ahumuza, Ronnie, Ouma, Emily A.

“…Potential for exports of Ugandan beef is largely hampered by failure to meet safety and hygiene standards and failure to manage regular outbreaks of foot and mouth disease (FMD). …”
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Porcine viruses in Uganda : a study of TTSuV and PPV4 in wild and domestic pigs por Brink, Matilda

“…Positive samples were sequenced, and phylogenetic analyses were performed in order to compare the Ugandan sequences with others already published. The prevalence of TTSuV1 and 2 in the studied domestic pigs was estimated at 16.7% and 47.9% respectively, with a co-infection of 14.6%. …”

First report of potato cyst nematode, Globodera rostochiensis (Wollenweber, 1923), infecting potato (Solanum tuberosum L.) in Uganda por Cortada Gonzales, L., Omagwa, J., Kisitu, J., Adhiambo, M., Haukeland, Solveig, Mburu, H., Orr, J., Jones, J.T., Wasukira, A., Kisingiri, J.B., Tugume, Joab K., Birenge, J.B., Okonya, Joshua Sikhu, Coyne, D.

“…A phylogenetic analysis showed that Ugandan populations cluster with Kenyan G. rostochiensis isolates but are less closely related to Rwandan populations or other Globodera species. …”
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Private Sector Consultation on Climate Smart Agriculture: The Feed the Future Learning Community for Supply Chain Resilience por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…The results of this study are supplemented by results from a case study of Ugandan coffee companies, illustrating how their use of and need for climate information differs at the national level. …”
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