Resultados de búsqueda - "elite"

QTL mapping and favorable allele mining of nitrogen deficiency tolerance using an interconnected breeding population in rice por Shen, Congcong, Chen, Kai, Cui, Yanru, Chen, Jiantao, Mi, Xuefei, Zhu, Shuangbin, Zhu, Yajun, Ali, Jauhar, Ye, Guoyou, Li, Zhikang, Xu, Jianlong

“…An interconnected breeding (IB) population of 497 lines developed using Huanghuazhan (HHZ) as the recurrent parent and eight elite lines as the donor parents were tested for five traits including grain yield, biomass, harvest index, thousand grain weight, and spikelet fertility under two nitrogen treatments in three growing seasons. …”
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Identification and characterization of high‐yielding, short‐duration rice genotypes for tropical Asia por Won, Phyo L. P., Liu, Hongyan, Banayo, Niño P. M., Nie, Lixiao, Peng, Shaobing, Islam, Mohammad R., Sta. Cruz, Pompe, Collard, Bertrand C. Y., Kato, Yoichiro

“…Our goal was to identify physiological traits associated with high yield in elite short‐duration genotypes suitable for tropical Asia. …”
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Exploring genetic architecture of grain yield and quality traits in a 16-way indica by japonica rice MAGIC global population por Zaw, Hein, Raghavan, Chitra, Pocsedio, Arnel, Swamy, B.P. Mallikarjuna, Jubay, Mona Liza, Singh, Rakesh Kumar, Bonifacio, Justine, Mauleon, Ramil, Hernandez, Jose E., Mendioro, Merlyn S., Gregorio, Glenn B., Leung, Hei

“…In this study we report advantages of using Multi-parent Advanced Generation Inter-Crosses global population, derived from a combination of eight indica and eight japonica elite parents, in QTL discovery for yield and grain quality traits. …”
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Improving rice blast resistance of Feng39S through molecular marker-assisted backcrossing por Yang, Dabing, Tang, Jianhao, Yang, Di, Chen, Ying, Ali, Jauhar, Mou, Tongmin

“…Results We report here the introgression of the broad-spectrum blast resistance gene Pi2 into the genetic background of an elite PTGMS line, Feng39S, for enhancing it and its derived hybrid blast resistance through marker-assisted backcrossing (MABC) coupled with genomics-based background selection. …”
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Improvement of yield and its related traits for backbone hybrid rice parent Minghui 86 using advanced backcross breeding strategies por Zhang, Hongjun, WANG, Hui, Ye, Guoyou, Qian, Yiliang, Shi, Yingyao, XIA, Jia-fa, LI, Ze-fu, Zhu, Ling-Hua, Gao, Yong-Ming, Li, Zhikang

“…These promising ILs and QTLs identified will provide the elite breeding materials and genetic information for further improvement of the grain yield for Minghui 86 through pyramiding breeding.…”
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Molecular breeding for the development of blast and bacterial blight resistance in rice cv. IR50 por Narayanan, N.N., Baisakh, N., Vera Cruz, C.M., Gnanamanickam, S.S., Datta, K., Datta, S.K.

“…The objective of this study was to improve IR50, an elite Indica rice line, by molecular breeding approach involving marker-aided selection (MAS) and genetic transformation for resistance against blast (BL) and bacterial blight (BB). …”
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Genomic selection for tolerance to aluminum toxicity in a synthetic population of upland rice por Bartholomé, Jerome, Ospina, José Omar, Sandoval, Mario, Espinosa, Natalia, Arcos, Jairo, Ospina, Yolima, Frouin, Julien, Beartschi, Cédric, Ghneim, Thaura, Grenier, Cecile

“…In this study, we evaluated the performance of genomic prediction models to optimize the breeding scheme by hastening the development of an improved synthetic population and elite lines. We characterized 334 families at the S 0:4 generation in two conditions. …”
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Marker assisted introgression of bacterial blight resistant gene into submergence tolerance rice variety BRRI dhan52 por Kabir, M. E., Iftekharuddaula, K. M., Khan, M. A. I., Mian, M. A. K., Ivy, N. A.

“…Molecular markers linked to BB resistance genes (Xa genes) and submergence QTL (SUB1) were utilized in a marker-aided selection program to develop elite breeding lines with broad-spectrum resistance to bacterial blight. …”
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Phenotyping and association analysis of grain zinc content with agro-morphological traits in a core rice germplasm por Tripathy, Swapan K., Behera, Suraj K., Sahu, Dibyabharati

“…Interestingly, Zn content revealed positive significant relationship with grain breadth, but feeble negative association with grain length and kernel length indicating that selection for bold grain types would enrich Zn content. The above Zn rich elite genotypes with desirable ancillary traits may serve as potential donors for biofortification breeding programme.…”
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Selection of superior cowpea lines for multi-traits and adaptabilities to the Piauí semi-arid using genotype by yield*trait biplot analysis por Araújo, Mauricio dos Santos, Pinheiro dos Santos, Samiria, Lelis de Aragão, Walter Frazão, Damasceno-Silva, Kaesel Jackson, de Moura Rocha, Maurisrael

“…The objective of this study was to select the superior cowpea lines for their multi-traits and adaptabilities to the Piauí semi-arid zone based on the genotype by the yield*trait (GYT) Biplot approach. Seventeen elite lines and three cultivars were evaluated in a randomized complete block design with four replications under the rainfed growing condition at three different locations away from the Piauí semi-arid zone. …”
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Yield stability of water yam (Dioscorea alata L) landraces compared to improved varieties across multiple environments and their culinary qualities in the Republic of Benin por Dansi, M., Loko, Y., Codjia, E., Fakorede, J., Agre, A.P., Amegan, A., Adomou, A., Dassou, G.H., Dansi, A.

“…Results To assess the yield stability of water yam landraces grown in the traditional Beninese agriculture and identify elite genotypes, a genotype main effect and genotype-by-environment (GGE) interaction biplot analysis was conducted together with sensorial evaluation based on yam consumers preferences. …”
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Onerice breeding framework: An end-to-end system to develop better varieties faster por Bhosale, Sankalp, Thathapalli Prakash, Parthiban, Kadaru, Suresh Babu, Hussain, Waseem, Dixit, Shalabh, Ali, Jauhar, Platten, John D., Islam, Md Rafiqul, Singh, Vikas Kumar, Murori, Rosemary, Ndayiragije, Alexis, Panchbhai, Ajay, Nayak, Swati, Dela Cruz, Princess, Demont, Matty, Bartholome, Jerome, Covarrubias‐Pazaran, Giovanny, Cobb, Joshua N., Bhardwaj, Hans

“…Additionally, the framework outlines strategies for systematically integrating novel genetic variation into elite breeding programs through pre-breeding efforts. …”
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Joint analysis of phenotypic and molecular data for genetic diversity assessment in extraearly orange maize (Zea Mays L.) por Bonkoungou, T.O., Adejumobi, I.I., Adetimirin, V.O., Badu-Apraku, B., Agre, A.P., Nanema, K.R., Abubakar, A.M., Dao, A., Mengesha, W.

“…This study aimed to examine the population structure and genetic diversity of new extra-early elite orange maize inbred lines of the IITA-Maize Improvement Program using phenotypic and genome-wide SNP markers. …”
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Genome-wide association mapping for resistance against Septoria nodorum blotch and tan spot in a diverse wheat panel por Dehua Wang, Xinyao He, Zhiying Deng, Reynolds, Matthew P., Dreisigacker, Susanne, Pawan Kumar Singh

“…In this study, genome-wide association study (GWAS) was conducted using an elite diversity panel comprising 150 lines to identify genetic loci associated with resistance to SNB and TS. …”
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Resilient yet productive: maize that can thrive under stress and in optimal conditions por Das, Reshmi Rani, Vinayan, Madhumal Thayil, Seetharam, Kaliyamoorthy, Ahmad, Salahuddin, Thaitad, Suriphat, Nguyen, Thanh Chi, Patel, Manish B., Kumar, Ramesh, Devraj Lenka, Zaidi, Pervez H.

“…A stratified ranking approach was employed to identify superior hybrids that matched or exceeded commercial checks under optimal conditions and outperformed them under at least one stress environment. Several elite hybrids demonstrated broad or specific adaptation to targeted stress-prone environments. …”
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Benefits of forests in Cameroon: global structure, issues involving access and decision-making hiccoughs por Oyono, P.R., Kouna, C., Mala, W.A.

“…Secondly, as concerns the intra-generational access benefits generated by commercial exploitation of forests and the assessment of the circulation of forestry fees, there is much inequity, in as much as those benefits are more profitable to a ‘forestry elite’—‘a self-interested block’—than to local communities, who strongly claim to have historical rights over these forests. …”
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Genetic variability of tropical maize stover quality and the potential for genetic improvement of food-feed value in India por Zaidi, Pervez Haider, Vinayan, M.T., Blümmel, Michael

“…Sixty elite maize inbred lines were selected from CIMMYT-Asia maize program for stover fodder quality analysis. …”
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Pro-poor irrigation management transfer? por International Water Management Institute

“…These steps include raising awareness and access to information, and making the election of WUA committees (which favor the village elite) more competitive and transparent. Monitoring participation in WUA activities and decision making against a reliable, and easily available indicator of poverty?…”
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Identification of microsatellite markers linked to the blast resistance gene Pi-1(t) in rice por Fuentes, J.L, Correa Victoria, Fernando J., Escobar, F., Prado Patiño, Gustavo A., Aricapa, María Girlena, Duque E., Myriam Cristina, Tohme, Joseph M.

“…Microsatellite analysis on elite rice varieties with different genetic background showed that all known sources of blast resistance included in this study carry the specific Pi-1(t) allele. …”
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Breeding for enhanced ß-Carotene content in cassava: constraints and accomplishments por Njoku, DN, Vernon, G, Egesi, Chiedozie N., Asante, I.K., Offei, SK, Okogbenin, Emmanuel, Kulakow, Peter A., Eke-Okoro, O.N., Ceballos, H.

“…Currently, the International Institute of Tropical Agriculture (IITA), International Center for Tropical Agriculture (CIAT), and National Root Crops Research Institute (NRCRI), Umudike, are working in collaboration to develop an elite cassava gene pool and to develop varieties that will be released to farmers soon in hope of addressing part of micronutrient malnutrition.…”
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