Resultados de búsqueda - "New Rice for Africa"

Genetic characterization of rainfed upland New Rice for Africa (NERICA) varieties por Fukuta, Y., Konisho, K., Senoo-Namai, S., Yanagihara, S., Tsunematsu, H., Fukuo, A., Kumashiro, T.

“…A total of 18 rainfed upland New Rice for Africa (NERICA) varieties were categorized as the heavy panicle and low tillering types and early heading, in compared with 32 different varieties. …”
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The impact of new Rice for Africa (NERICA) adoption on household food security and health in the Gambia por Dibba, L., Zeller, M., Diagne, A.

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Confronting genetic gains with markets: Retrospective lessons from New Rice for Africa (NERICA) in Uganda por Britwum, Kofi, Owusu, Eric S., Demont, Matty

“…Breeders have two non-exclusive strategic investment options for increasing smallholder farmers’ and consumers’ livelihoods through genetic improvement of crop varieties: (i) enhancing productivity; and (ii) enhancing value and market access. New Rice for Africa (NERICA) varieties with superior agronomic characteristics were bred and introduced in various African countries in the early 2000s. …”
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Expression of Arabidopsis DREB1C improves survival, growth, and yield of upland New Rice for Africa (NERICA) under drought por Ishizaki, T., Maruyama, K., Obara, M., Fukutani, A., Yamaguchi-Shinozaki, K., Ito, Y., Kumashiro, T.

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Tailoring rice varieties to consumer preferences induced by cultural and colonial heritage: Lessons from New Rice for Africa (NERICA) in The Gambia por Britwum, Kofi, Demont, Matty

“…Indigenous preferences for African rice can be traced back to ancient rice domestication and have been subsequently influenced by Asian rice import standards as a result of colonial import substitution policies. New Rice for Africa (NERICA) crosses between African and Asian rice species have the potential to reconcile these dual indigenous/import preferences, but little is known about their market competitiveness. …”
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New Rice for Africa (NERICA) cultivars exhibit different levels of post-attachment resistance against the parasitic weeds Striga hermonthica and Striga asiatica por Cissoko, M., Boisnard, A., Rodenburg, J., Press, M.C., Scholes, J.D.

“…The interspecific upland NEw RICe for Africa (NERICA) cultivars are popular amongst subsistence farmers, but little is known about their post-attachment resistance against Striga. …”
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Integrated research for development approach to upgrade the whole rice value-chain in sub-Saharan Africa: Contribution of Africa Rice Center after NERICA (New Rice for Africa) por Futakuchi, K., Saito, Kazuki

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King Baudouin Award to WARDA for Development of High-Yielding Rice Varieties por CGIAR Technical Advisory Committee

“…These varieties, called New Rice for Africa (NERICAs) was the result of successful hybridization of African and Asian species of rice.This award is normally found in the report of the TAC meeting, or the CGIAR meeting where action was taken, but in those case was omitted from both.…”
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Helping Feed the World with Rice Innovations: RICE Research Adoption and Impact on Farmers Globally por CGIAR Research Program on Rice

“…The study found that stress-tolerant varieties in Asia and New Rice for Africa (NERICA) varieties in Africa had a significant impact on rice yield and income. …”
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Adoption and impacts of international rice research technologies por Yamano, Takashi, Arouna, Aminou, Labarta, Ricardo Antonio, Huelgas, Zenaida M., Mohanty, Samarendu

“…African farmers benefit from New Rice for Africa (NERICA) varieties. Some natural resource management (NRM) practices have been evaluated in farmer trials and found beneficial. …”
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Impact of Improved Rice Technology (NERICA varieties) on Income and Poverty among Rice Farming Households in Nigeria: A Local Average Treatment Effect (LATE) Approach por Dontsop Nguezet, Paul M., Diagne, A., Okoruwa, V.O., Ojehomon, V.

“…This study examines the impact of the adoption of New Rice for Africa varieties(NERICAs) on income and poverty among Nigerian rice farming households. …”
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Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria por Dontsop Nguezet, Paul M., Diagne, A., Okoruwa, V., Ojehomon, V., Manyong, Victor M.

“…The paper uses the average treatment effect (ATE) to estimate the population potential adoption rates of the New Rice for Africa (NERICA) varieties in Nigeria when awareness and access to their seed are not constrained to farmers. …”
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Influence of nitrogen fertilization on yield and yield components of rainfed lowland NERIC rice in the northern Guinea savanna of Nigeria por Kamara, A.Y., Ekeleme, F., Omoigui, L.O., Chikoye, David

“…This study evaluated the response of four rain-fed lowland New Rice for Africa (NERICA) varieties (NERICA-L-12, NERICA-L-41, NERICA-L-42 and NERICA-L-56) and a popularly grown Oryza sativa (ITA 150) to nitrogen (0, 30, and 100 kg N ha-1). …”
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Basal fertilizer effects on weed occurrence and rice yield in acid upland soil of West Africa at Bénin por Koné, B., Traoré, K., Touré, A.

“…Two years (2005 and 2006) fertilizer omission trial including nitrogen (N), potassium (K), phosphorus (P), calcium (Ca), magnesium (Mg) and zinc (Zn) was conducted in a randomized completed block design, with 4 replications at the Africa Rice Center experiment station, in Benin. The New Rice for Africa named NERICA 4 was sown. Weed dominance-abundance indices and biomass, as well as, rice grain yield were assessed. …”
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Enhancing Rice Productivity in West Africa through Genetic Improvement por Saito, Kazuki, Sokei, Y., Wopereis, Marco C.S.

“…Interspecific rice cultivars, the New Rice for Africa (NERICA), were developed by crossing Asian rice (Oryza sativa L.) and African rice (O. glaberrima Steud.) to improve upland and lowland rice productivity in resource-poor farmers’ fields. …”
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Grain yield and leaf gas exchange in upland NERICA rice under repeated cycles of water deficit at reproductive growth stage por Suleiman, S.O., Habila, D.G., Fofana, M., Abolanle, B.M., Olatunbosun, A.N.

“…New Rice for Africa (NERICA) was reported to have higher exudation and transpiration rates, above ground dry matter at heading than Japanese cultivars. …”
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Response of upland rice cultivars to nitrogen fertilizer in the savannas of Nigeria por Kamara, A.Y., Ekeleme, F., Omoigui, L.O., Oikeh, S.O., Chikoye, David, Tegbaru, A.

“…In the dry savannas of West Africa, cultivation of upland rice (Oryza spp.) under rain-fed conditions is expanding due to the introduction of the New Rice for Africa (NERICA; WARDA, Bouake, Cote d'Ivoire) but appropriate N recommendations for these new cultivars are lacking. …”
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Evaluation of some rice genotypes for incidence of African rice gall midge and its parasitoid (P. Diplosisae) por Ogah, E.O., Odebiyi, J.A., Omoloye, A.A., Nwilene, F.E.

“…Three major rice genotypes (Oryza sativa, Oryza glaberrima and interspecific rice, New Rice for Africa (NERICA)) are cultivated in Nigeria. …”
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Enhancing Rice Productivity and Soil Nitrogen Using Dual-Purpose Cowpea-NERICA® Rice Sequence in Degraded Savanna por Oikeh, S., Niang, A., Abaidoo, Robert C., Houngnandan, P., Futakuchi, K., Koné, B., Touré, A.

“…ISFM (integrated soil fertility management) involving annual sequencing of dual-purpose early-maturing first crop of cowpeas with biomass incorporation before seeding second crop of early-maturing NERICA® (New Rice for Africa) was evaluated to enhance rice productivity and soil-nitrogen. …”
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Progress in varietal improvement for increasing upland rice productivity in the tropics por Saito, Kazuki, Asai, Hidetoshi, Zhao, Dule, Laborte, Alice G., Grenier, Cécile

“…Breeding programs in Asia and Latin America have developed high-yielding varieties using indica materials as parents. In Africa, New Rice for Africa (NERICA) varieties were developed from crosses between improved tropical japonica and Oryza glaberrima. …”
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