Resultados de búsqueda - "Élite"

Evaluation of Genetic Diversity and Genome-Wide Association Studies of Resistance to Bacterial Wilt Disease in Potato por Okiro, L.A., Mulwa, R.M., Oyoo, M.E., Ojwang, P., Otieno, S., Gaiero, P., Pereira, G.S., Mendes, T.

“…These results facilitate genetic dissection of bacterial wilt resistance and enable marker-assisted breeding in elite genotypes for potato breeding initiatives.…”
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A retrospective analysis of maize performance under low nitrogen stress conditions in sub-Saharan Africa por Gokoma, S., Kamutando, C.N., Siwela, M., Derera, J.

“…This study aimed to: 1) Investigate the relationship between grain yield under low N and optimal conditions; and 2) Establish the level of variability in low N tolerance among elite Eastern and Southern African (ESA) maize varieties. …”
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Exploiting genetic and genomic resources to enhance productivity and abiotic stress adaptation of underutilized pulses por Dwivedi, S.L., Chapman, M.A., Abberton, M., Akpojotor, U.L., Ortiz, R.

“…Advances in introgression breeding to develop elite genetic stocks of grass pea with low β-ODAP (neurotoxin compound), resistance to Mungbean yellow mosaic India virus in black gram using rice bean, and abiotic stress adaptation in common bean, using genes from tepary bean have been carried out. …”
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Superior haplotypes of genes associated with higher grain yield under reproductive stage drought stress in rice por Singh, Preeti, Pahi, Bandana, Sundaram, Krishna T., Gnanapragasam, Niranjani, Habde, Sonali Vijay, Kumar, Nandigam Vinay, Patil, Namrata Devidas, Paul, Pronob J., Kumar, Ravi Shekhar, Singh, Suresh Prasad, Kalia, Sanjay, Kumar, Arvind, Kohli, Ajay, Singh, Uma Maheshwar, Singh, Vikas Kumar, Sinha, Pallavi

“…Notably, introgressing superior haplotypes from the OsIRO2-H3 gene into an elite rice cultivar led to a yield advantage of 25.0–27.3% over recurrent parents. …”
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Genome wide association studies in yam reveal the challenge of high heterozygosity por Agre, A.P., Darkwa, K., Kohtaro, I., Matsumoto, R., Asfaw, A.

“…A total of 173 genotypes including 86 elite breeding clones, 77 genebank accessions, and 10 farmer varieteies were genotyped through whole-genome resequencing, yielding approximately 1.6 million single nucleotide polymorphism (SNP) markers. …”
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Emboldening equitable climate adaptation: A handbook for field research leaders por Petesch, Patti, Fisher, Eleanor, Hellin, Jon, Echavez, Chona

“…Generally speaking, a small group of elite powerholders can more easily adapt to climate change, including in ways that maintain their status and privileges. …”
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Genetic regulation of wheat plant architecture and future prospects for its improvement por Shaheen, Aaqib, Li, Zheng, Yang, Yingying, Xie, Jinjin, Zhu, Lele, Li, Can, Nie, Fang, Wang, Meng, Wang, Yixian, Rasheed, Awais, Li, Hao, Zhou, Yun, Song, Chun-Peng

“…The use of crop wild relatives (CWRs), such as Aegilops tauschii, can enhance wheat cultivation by increasing breeding diversity and introgressing beneficial genes into elite wheat germplasm through the recently developed rapid high-throughput introgression (RHI) protocol. …”
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Spectral characterization and discrimination of sorghum (Sorghum bicolor (L.) Moench) cultivars for remote sensing-based phenotyping and selection por Chidoko, Pardon, Mhike, Xavier, Chemura, Abel, Manyanga, Munyaradzi

“…Remote sensing has immense potential for high throughput phenotyping of agronomic and physiological traits that can be used in the selection of elite lines for productivity and adaptability in crop breeding programs. …”
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Low-methane forages project work package 2. Breeding grasses program 2024-2025 por Barbosa, Norma, Garzon, Maria Jose

“…Within the Low-Methane Forages (LMF) project, elite breeding lines are under evaluation for their potential to mitigate methane emissions, building upon previous selection for traits such as tolerance to acidic with low nutrient soils, resistance to spittlebugs (Homoptera: Cercopidae), high biomass production, and resilience under abiotic stress conditions. …”
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Solar irrigation in Nepal: Subsidy design, farmer adoption, and utilization patterns por Varshney, Deepak, Mukherji, Aditi, Shrestha, Shisher, Ghimire, Laxman Prasad

“…Without such reforms, the program risks under-utilization and elite capture of subsidies, undermining SIPs’ transformative potential for agricultural resilience and low-carbon growth.…”
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Science for the poor: how one woman challenged researchers, ranchers, and loggers in Amazonia por Shanley, P.

“…In the lower Tocantins region of Brazil, one Amazonian woman questioned why scientists publish principally for elite audiences. Her experience suggests that the impact may be enhanced by also sharing data with people who depend upon forest goods. …”
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Collective action and property rights for poverty reduction: insights from Africa and Asia por Mwangi, Esther, Markelova, Helen, Meinzen-Dick, Ruth S.

“…Another danger to the poor is the capture of property rights by elites, which can be the result of privatization and decentralization policies; case studies and analysis identify actions to prevent such elite capture.…”
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Congruence between selection on breeding values and farmers’ selection criteria in sheep breeding under conventional nucleus breeding schemes por Gizaw, Solomon, Getachew, T., Tibbo, Markos, Haile, Aynalem, Dessie, Tadelle

“…It involves selection based on breeding values in nucleus flocks to produce elite rams, a one-time only provision of improved rams to villagers and a follow-up village-based selection to sustain genetic progress in village flocks. …”
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Mapping wound-response genes involved in post-harvest physiological deterioration (PPD) of cassava (Manihot esculenta Crantz) por Cortés Bermúdez, D.F., Reilly, K, Okogbenin, Emmanuel, Beeching, J.R., Iglesias, C.A., Tohme, Joseph M.

“…Also, molecular markers linked toputative quantitative trait loci (QTLs) influencing PPD of cassava weremapped using an F1mapping population derived from elite parentallines (TMS 30572 × cm 2177-2). A molecular linkage map previouslyconstructed based on the segregation of 240 RFLP, 100 RAPD, 85microsatellite and five isoenzyme markers on 144 F1 individuals wasused for the QTL mapping.A set of 10 molecular markers with a significant association with putativeQTLs for PPD were identified based on probability values < 0.005in order to minimize the detection of false positives. …”
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Host plant resistance, cultural practices and botanical pesticides four the management of bean stem maggot in small scale farmer systems por Ampofo, James Kwasi O., Massomo, S.M.S.

“…Some of these sources are now in use to transfer resistence to adapted lines as well as elite breeding lines. With cultural practices, we observed previously that mulches reduced plant damage resulting from BSM attack and we set up further trials to gain a greater understanding of the mechanism of grass mulches and stabilized soil temperature at a lower level below the ambient temperature and the non-mulched treatments. …”
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Preparing potato for climate change: Breeding, selection and efficient use of genetic resources for abiotic stress por Amoros, W., Cabello, R., Gutiérrez, R., Kadian, M.S., Carli, C., Salas, E., Munive, S., Bonierbale, Merideth W.

“…More than 300 clones and selected progenies were evaluated under water-limiting and high temperature conditions in the desertic coast of Peru and in India, Bangladesh, Uzbekistan and Tajikistan. Elite clones with high yield indexes and superior progenitors of stress tolerance were identified and information incorporated for collaborative breeding across environments. …”
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Ensayos internacionales de rendimiento de frijol para monocultivo por Voysest Voysest, Oswaldo

“…Material forming the IBYAN is grouped in 3 categories: (1) material resulting from EP (lines from CIATs bean program, var. from the germplasm bank and lines or var. sent by national programs); (2) material chosen by the coordinator of the trial, and (3) national, international and elite controls, that are high-yielding plants showing desirable characteristics. …”
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High-density molecular characterization and association mapping in Ethiopian durum wheat landraces reveals high diversity and potential for wheat breeding por Mengistu, D., Kidane, Y., Catellani, M., Frascaroli, E., Fadda, Carlo, Dell'Acqua, M., Pe, E.

“…Durum wheat (Triticum turgidum subsp. durum) is a key crop worldwide, and yet, its improvement and adaptation to emerging environmental threats is made difficult by the limited amount of allelic variation included in its elite pool. New allelic diversity may provide novel loci to international crop breeding through quantitative trait loci (QTL) mapping in unexplored material. …”
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Combining ability and heterotic patterns of extra-early maturing white maize inbreds with genes from Zea diploperennis under multiple environments por Amegbor, I.K., Badu-Apraku, Baffour, Annor, B.

“…Sixty-three extra-early white maize inbred lines containing genes from Zea diploperennis were crossed to four elite testers to obtain 252 single-cross hybrids and evaluated together with four checks at four locations for 2 years under drought, Striga-infested, low N and optimal environments in Nigeria. …”
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Characterization of the formation of somatic embryos from mature zygotic embryos of Passiflora ligularis Juss. por Oliveira Prudente, D. de, Paiva, R., Carpentier, Sebastien C., Swennen, Rony L., Nery, F.C., Silva, L.C., Panis, Bartholomeus

“…The development of improved micropropagation techniques is necessary to provide rapid and efficient clonal propagation of elite genotypes with high resistance and uniform production, as well as a system that can be used for genetic transformation. …”
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