نتایج جستجو برای: assisted selection in plant breeding programs

تعداد نتایج: 17142842  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Shizhong Xu Dan Zhu Qifa Zhang

Genomic selection is an upgrading form of marker-assisted selection for quantitative traits, and it differs from the traditional marker-assisted selection in that markers in the entire genome are used to predict genetic values and the QTL detection step is skipped. Genomic selection holds the promise to be more efficient than the traditional marker-assisted selection for traits controlled by po...

Journal: :علوم گیاهان زراعی ایران 0
براتعلی سیاه سر علیرضا طالعی سید علی پیغمبری محمدرضا نقوی

despite the importance of forage quality to animal performance, the quality of barley as a feed and forage crop has not been taken into consideration as a selection criterion in its breeding programs. in order to map the genomic regions affecting barley forage quality, two experiments were conducted while employing 72 doubled haploid lines and their two parents (‘steptoe’ and ‘morex’), at the r...

Drought stress is one of the most important factors limiting production in the agricultural sector. Due to the need to use smart agriculture adapted to climate change, the use of drought-tolerant alternative plants with high water use efficiency is of great importance. Foxtail millet (Setaria italica L.) is one of the important drought tolerant fodder and food grains in semi-arid regions. In th...

Drought is one of the most important environmental factors affecting plant growth. The double haploid method is one of the most common breeding methods in wheat. Using old cultivars in cross-breeding programs can be effective for restoring genes lost during evolution. In this study, in order to evaluate the genetic diversity and to select the drought-tolerant introgression wheat lines, 151 doub...

Journal: :تولید گیاهان زراعی 0

orchard grass (dactylis glomerata), a pasture and forage grass, has wide genetic distribution in iran. evolution of germplasm and selection of suitable genotypes is the first step for developing adaptable synthetic varieties. in order to investigate production potential, variation and genetic similarity of iranian orchard grass genotypes, an experiment was conducted using clonally propagated ma...

2011
Luciano Medina-Macedo Alexandre Coelho

Background In last decades, the progress of molecular techniques, bioinformatics tools and genome analysis equipment allowed genomes to be sequenced and analyzed for several plants. For Eucalyptus, the combination of quantitative trait loci (QTL) mapping with genomic analyses, has allowed the identification and validation of a few genomic regions involved in growth and wood quality characters. ...

2015
Hasina Begum Jennifer E. Spindel Antonio Lalusin Teresita Borromeo Glenn Gregorio Jose Hernandez Parminder Virk Bertrand Collard Susan R. McCouch

Genome-wide association mapping studies (GWAS) are frequently used to detect QTL in diverse collections of crop germplasm, based on historic recombination events and linkage disequilibrium across the genome. Generally, diversity panels genotyped with high density SNP panels are utilized in order to assay a wide range of alleles and haplotypes and to monitor recombination breakpoints across the ...

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