Resultados de búsqueda - "selective breeding"

Betacarotene micellarization during in vitro digestion and uptake by caco2 cells is directly proportional to betacarotene content in different genotypes of cassava por Thakkar, S.K., Maziya-Dixon, B.B., Dixon, A., Failla, M.L.

“…Cassava, a staple food in sub-Saharan Africa, does not provide adequate amounts of pro-vitamin A (VA) carotenoids and has been targeted for biofortification (i.e. selectively breeding cultivars of increased nutrient density with agroeconomically acceptable characteristics). …”
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Participatory definition of breeding objectives and implementation of community based sheep breeding programs in Ethiopia por Duguma, G.

“…Two stages of selection were applied to select breeding rams: initial screening at 6- and final selection at 12 months of age. …”
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Hur påverkar inavel fruktsamheten hos häst? por Selinus, Hanna

“…A major challenge today is to get a high genetic gain in breeding and still avoid inbreeding caused by too few selected breeding animals.…”
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Breeding practices and trait preferences of smallholder farmers for indigenous sheep in the northwest highlands of Ethiopia: Inputs to design a breeding program por Abebe, A.S., Alemayehu, K., Johansson, A.M., Gizaw, Solomon

“…The majority of the smallholder farmers (91%) have the experience of selecting breeding rams and ewes within their own flock using diverse criteria. …”
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Significant progressive heterobeltiosis in banana crossbreeding por Batte, M., Nyine, M., Uwimana, Brigitte, Swennen, Rony L., Akech, V., Brown, A., Hovmalm, H.P., Geleta, M., Ortíz, R.

“…Exploiting heterobeltiosis in banana breeding will help to select breeding material with high complementarity, thus increasing banana breeding efficiency. …”
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History and progress in genetic improvement for enhancing rice yield in sub-Saharan Africa por Futakuchi, K., Senthilkumar, Kalimuthu, Arouna, A., Vandamme, Elke, Diagne, M., Zhao, D., Manneh, B., Saito, Kazuki

“…It further describes yield gain of new rice varieties evaluated in recent field experiments in four selected breeding target domains, and summarizes adoption studies on rice varieties. …”
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Genomic-assisted breeding for abiotic stress tolerance in horticultural crops por Paliwal, R., Singh, G., Mir, R.R., Gueye, B.

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Estimation of genetic gain for resistance to spittlebugs (Hemiptera: Cercopidae) in the Interspecific Urochloa CIAT Breeding Program using historical data por Hernández, Luis Miguel, Sandoval, Karol, Aparicio, Johan Steven, Ariza, Daniel, Espitia, Paula A., Castiblanco, Valheria, Jauregui, Rosa

“…In the recurrent selection breeding scheme, seven successive cycles of selection of the apomictic hybrids and the parental sexual lines were screened for resistance to four species at the nymphal stage, measured as damage to plants based on visual scoring (0-5), using a high throughput methodology in the greenhouse. …”
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A screening protocol for developing high-yielding upland rice varieties with superior weed-suppressive ability por Saito, Kazuki

“…Then, in later stages of the breeding program, selected breeding lines could be evaluated with substitute weeds instead of natural weeds, as natural weed growth is heterogeneous. …”
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Root system architecture of historical spring wheat cultivars is associated with alleles and transcripts of major functional genes por Maqbool, Saman, Ahmad, Suhaib, Kainat, Zarnishal, Khan, Muhammad Ibrar, Maqbool, Ammarah, Hassan, Muhammad Adeel, Rasheed, Awais, He Zhonghu

“…We evaluated root system architecture (RSA) of a set of 58 historical spring wheat cultivars from Pakistan representing 105 years of selection breeding. The evaluations were carried out under control and water-limited conditions using a high-throughput phenotyping system coupled with RhizoVision Explorer software. …”
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Archetype for implementing Rapid Cycle Genomic Selection (RCGS) in CGIAR-NARES-SME breeding network pipelines: Examples for pure line crops; RTB crops and hybrid crops por CGIAR Initiative on Accelerated Breeding, International Maize and Wheat Improvement Center

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Genetic gains in IRRI’s rice salinity breeding and elite panel development as a future breeding resource por Khanna, Apurva, Mahender, Anumalla, Ramos, Joie, Cruz, Ma Teresa Sta, Catolos, Margaret, Sajise, Andres Godwin, Gregorio, Glenn, Dixit, Shalabh, Ali, Jauhar, Islam, Md. Rafiqul, Singh, Vikas Kumar, Rahman, Md. Akhlasur, Khatun, Hasina, Pisano, Daniel Joseph, Bhosale, Sankalp, Hussain, Waseem

“…Conclusively, a recurrent selection breeding strategy integrated with novel technologies like genomic selection and speed breeding is highly required to achieve higher genetic gains in IRRI’s salinity breeding programs.…”
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Optimization of multi-generation multi-location genomic prediction models for recurrent genomic selection in an upland rice population por de Verdal, Hugues, Baertschi, Cédric, Frouin, Julien, Quintero, Constanza, Ospina, Yolima, Alvarez, Maria Fernanda, Cao, Tuong-Vi, Bartholomé, Jérôme, Grenier, Cécile

“…Genomic selection is a worthy breeding method to improve genetic gain in recurrent selection breeding schemes. The integration of multi-generation and multi-location information could significantly improve genomic prediction models in the context of shuttle breeding. …”
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Phenotypic and Genetic Characterization and Design of Community-Based Breeding Programs for Two Indigenous Goat Populations of Ethiopia por Sheriff, Oumer

“…The live animal ranking experiments indicated that traits like body size, twining ability, kidding interval and mothering ability were the topmost preferred attributes to select breeding does; whereas body size, libido and growth were the traits used to select breeding bucks in the study area (Paper IV). …”
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Genetic trends estimation in IRRIs rice drought breeding program and identification of high yielding drought-tolerant lines por Khanna, Apurva, Anumalla, Mahender, Catolos, Margaret, Bartholomé, Jérôme, Fritsche-Neto, Roberto, Platten, John Damien, Pisano, Daniel Joseph, Gulles, Alaine, Sta. Cruz, Ma Teresa, Ramos, Joie M., Faustino, Gem, Bhosale, Sankalp, Hussain, Waseem

“…We propose a recurrent selection breeding strategy within the elite population with the integration of modern tools and technologies to boost the genetic gains in IRRI's drought breeding program. …”
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Efecto del empadre posparto y postdestete sobre el tamaño y peso de la camada de cuyes por Chauca Francia, Lilia Janine, Zaldivar Abanto, Marco, Muscari Greco, Juan Carmelo

“…Comparisons between the selected breed lines showed that mating partum interval was shortest (P≤ 0.01) for the Andina line (81.6 ±1.89). …”
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Genes involved in ovulation rate and litter size in sheep por Jansson, Towe

Genetic variation of LEI0258 locus at major histocompatibility complex (MHC) region in Ethiopian indigenous village chicken por Kebede, Adebabay, Tesfaye, K., Belay, G., Kyallo, Martina M., Githae, Dedan, Dessie, Tadelle, Sparks, N., Hanotte, Olivier H., Pelle, Roger

“…We recommend that breed improvement programs ensure the maintenance of this diversity by selecting breeding stock as diverse as possible at the LEI0258 locus.…”
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Marker-assisted selection strategy to pyramid two or more QTLs for quantitative trait-grain yield under drought por Kumar, Arvind, Sandhu, Nitika, Dixit, Shalabh, Yadav, Shailesh, Swamy, B. P. M., Shamsudin, Noraziyah Abd Aziz

“…The marker-assisted selection breeding strategy combining both genotyping and phenotyping in early generation significantly reduced the number of genotypes to be carried forward. …”
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Bevarande av svensk låglandsboskap por Dahlberg, Camilla

“…They feel that their work is an uphill struggle, however, especially in selecting breeding bulls, because there is not much genetic material available. …”
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