Resultados de búsqueda - "A"

Agricultural knowledge management: The case of cattle feed quality improvement in Bure district west Gojjam, Ethiopia por Assefa, H., Gebreegziabher, T., Tegegne, Azage

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Effect of temperature on the life history parameters of noctuid lepidopteran stem borers, Busseola fusca and Sesamia calamistis por Khadioli, N., Tonnang, Henri E.Z., Ong'amo, G., Achia, Thomas, Kipchirchir, I., Kroschel, Jürgen, Le Ru, B.

“…Experiments were carried out with larvae reared on artificial diet under eight constant temperatures (12°C, 15°C, 18°C, 20°C, 25°C, 28°C, 30°C and 35°C) and a 12L:12D photoperiod. Life table parameters were calculated using Insect Life Cycle Modelling (ILCYM) software. …”
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Enhancing productivity and livelihoods among smallholder irrigators through biochar and fertilizer amendments [Abstract only] por Jenkins, M., Souvanhnachit, M., Rattanavong, S., Maokhamphiou, B., Sotoukee, T., Pavelic, Paul, Sarkis, M., Downs, T.

“…Sprinklers were used for irrigation and a weather station installed to monitor the climate. …”
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Harnessing the diversity of wild relatives of tropical fruit tree species for sustainable livelihoods por Sthapit, B.R., Vasudeva, R., Idris, S., Changtragoon, S., Roongrattanakul, P., Limpiyaprapant, S., Winarno, W., Ramanatha Rao, V.

“…South and Southeast Asia is the center of origin for many tropical fruit crops. This region is a prime habitat for in situ conservation of genetic diversity of long-lived, largely out-crossing wild/domesticated Tropical Fruit Tree (TFT) species. …”
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Molecular and cytogenetic characterization of wild Musa species por Cizkova, J., Hribova, E., Christelova, P., Houwe, Ines van den, Hakkinnen, M., Roux, N., Swennen, Rony L., Doležel, Jaroslav

“…The accessions were genotyped using a set of 19 microsatellite markers to establish their relationships with the remaining accessions held at ITC. …”
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Understanding food safety awareness and practices along smallholder pig value chains in Vietnam using participatory approaches por Sinh Dang Xuan, Unger, Fred, Hung Nguyen-Viet, Fries, R., Phuc Pham Duc, Meeyam, T.

“…Findings provide information on food safety awareness and practices along various actors and stakeholders. There is a need for improved standards, targeted training and collaborative mechanisms between veterinary and public health authorities to better manage the food production chain.…”
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Genotyping the local banana landrace groups of East Africa por Karamura, D., Kitavi, M., Nyine, M., Ochola, D., Ocimati, W., Muhangi, S., Talengera, D., Karamura, E.B.

“…On the other side, the triploid landraces had a narrow genetic base which should be broadened. …”
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The banana Xanthomonas wilt epidemic in east and central Africa: current research and development efforts por Tinzaara, William, Karamura, E.B., Kubiriba, Jerome, Ochola, D., Ocimati, W., Blomme, Guy, Ssekiwoko, F.

“…Current research efforts aim to provide additional information on disease epidemiology, fine tune existing cultural control practices, identify resistant and wilt escaping genotypes and develop a field detection tool. Development activities that aim at effective mobilization of stakeholders along the value chain for sustainable management of the disease (including use of farmer field schools (FFS) and learning and experimenting approaches for farmers (LEAFF)) have been evaluated and or implemented in ECA. …”
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Mise en oeuvre mutuelle du Traité International sur les Ressources Phytogénétiques pour l’Alimentation et l’Agriculture et le Protocole de Nagoya sur l'APA au Bénin por Mikpon, Toussaint, Bossou, B.

“…Cette diversité génétique est malheureusement menacée suite à diverses contraintes dont les effets des changements climatiques, l’exploitation abusive des ressources et les diverses actions de développement (barrages, expansion des villes et des terres agricoles, construction de routes, etc.). …”
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Assessing weather-yield relationships in rice at local scale using data mining approaches por Delerce, Sylvain Jean, Dorado, Hugo Andres, Grillon, Alexandre, Rebolledo, María Camila, Prager, Steven D., Patiño, Victor Hugo, Garcés Varón, Gabriel, Jiménez, Daniel

“…We introduce new approaches through a case study on irrigated and rainfed rice in Colombia. …”
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Hygienic practices, bacteriological quality of cow milk and its public health importance along the dairy value chain in Sidama High Lands of southern Ethiopia por Zewdu, M.

“…The present cross sectional study was conducted to assess hygienic practices, determination of bacterial quantity of milk, isolation and identification of bacterial pathogens in milk and to determine antimicrobial susceptibility of the major isolate at each critical control points throughout the value chain in Arbegona, Bensa and Bona districts, Sidama zone from November 2014 to May 2015. A total of 120 respondents were interviewed and subsequently, 166 milk samples were collected for laboratory analysis including bacterial load assessment and isolation and identification of bacteria. …”
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Epidemiology of honey bee disease and pests in selected zones of Tigray Region, northern Ethiopia por Godifey, G.

“…In the questionnaire survey, 384 beekeepers (350 male and 34 female) were interviewed. Similarly, a total of 384 honey bee colonies in 87 apiary sites were examined for the presence of honeybee external parasites and disease pathogens. …”
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Growth and yield response of garlic (Allium sativum l.) varieties to nitrogen fertilizer rates at Gantaafeshum, northern Ethiopia por Abadi, T.

“…Seven garlic cultivars (three improved, three locally introduced and one local) and four N fertilizer rates (0, 41, 82, 123 kg N ha-1) were arranged as 7 x 4 factorial treatments and laid out as a randomized complete block design with three replications. …”
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Genetic analysis of grain yield and other traits of extraearly yellow maize inbreds and hybrid performance under contrasting environments por Badu-Apraku, Baffour, Oyekunle, M.

“…Maize (Zea mays L.) is a major staple crop in West and Central Africa (WCA) but production is constrained by Striga hermonthica parasitism and recurrent drought in the savannas where maize yield potential is highest due to low night temperatures, high solar radiation and low incidence of diseases. …”
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Expresion de efectores RXLR en el linaje clonal EC-1 de Phytophthora infestans en Peru por Izarra, M., Lindqvist-Kreuze, H.

“…La papa (Solanum tuberosum L.) es en nuestros días uno de los cultivos alimenticios más importantes. Esta es propensa a la enfermedad de Tizón Tardío, causada por el oomiceto patógeno Phytophthora infestans, el cual secreta cientos de efectores que actúan como factores de virulencia. …”
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Cassava agronomy research in Asia: Has it benefitted cassava farmers? por Howeler, Reinhardt H.

“…Yield stagnation or declines, inspite of widespread adoption of higher yielding varieties, is partly due to displacement of cassava to more marginal regions, and partly a result of the deterioration of the soil resources due to erosion and inadequate or unappropriate fertilizer use. …”
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An expert system model for mapping tropical wetlands and peatlands reveals South America as the largest contributor por Gumbricht, Thomas, Román Cuesta, Rosa María, Verchot, Louis V., Herold, Martin, Wittmann, Florian, Householder, Ethan, Herold, Nadine, Murdiyarso, Daniel

“…We present an expert system approach to estimate wetland and peatland areas, depths and volumes, which relies on three biophysical indices related to wetland and peat formation: (1) long-term water supply exceeding atmospheric water demand; (2) annually or seasonally water-logged soils; and (3) a geomorphological position where water is supplied and retained. …”
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Suelos y nutricion de la planta por International Center for Tropical Agriculture

“…Root yield was closely related to total P content of stakes, reaching a max. at about 15 mgP/stake. Max. external P requirements were calculated to be 0.027 and 0.030 ppm for CMC-40 and M Col 1684, resp. …”
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Additional viruses por Morales, Francisco José, Gálvez E., Guillermo E.

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Seed security in Badakshan, Afghanistan por Kermali, Iqbal

“…This procedure will be repeated every growing season whenever new potential materials, including varieties, landraces, and different crop species are available. A secondary goal is to enhance on-farm genetic diversity among and within different crop species. …”
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