Functional Characterization of Genes/QTLs for Increasing Rice Yield Potential
نویسندگان
چکیده
منابع مشابه
مکان یابی QTL های برخی صفات مرتبط با تحمل به خشکی در برنج
Identification of markers linked to genes controlling drought tolerance is necessary to breed high-yielding rice varieties for drought-prone areas. In the current study, some traits associated with drought tolerance in rice were investigated using microsatellite marker. One hundred and ninety two individuals and families derived from a cross between two genetically divergent, Shahpasand (tolera...
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Grain yield in rice is a complex trait multiplicatively determined by its three component traits: number of panicles, number of grains per panicle, and grain weight; all of which are typical quantitative traits. The developments in genome mapping, sequencing, and functional genomic research have provided powerful tools for investigating the genetic and molecular bases of these quantitative trai...
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In order to identify QTLs controlling agronomically traits, landrace Tarom and rice Tarom mutant were crossed. SSR, ISSR, iPBS and IRAP markers were amplified in 250 F2 individuals to prepare the linkage map. Number of tillers, 100 grain weight, number of filled grains, number of unfilled grains, plant height, panicle length, number of branches, stem diameter, grain length, grain width, grain s...
متن کاملIdentification of main and epistatic QTLs for grain yield related traits in a recombinant inbred lines population of rice (Oryza sativa L.)
Rice yield as a complex trait is the main target in most rice breeding programs. To map the main and epistatic QTLs controlling grain yield and yield components, an experiment was carried out using a 129 F6 recombinant inbred lines population (IRA population) originated from a cross between Alikazemi / IR67017-180-2-1-2, in 2015 growing season in two locations, Rasht and Tonekabon, Iran. The e...
متن کاملIdentification of a locus increasing rice yield and physiological analysis of its function.
I identified a new locus responsible for increased yield potential and evaluated its physiological function to understand how to improve potential yield in rice (Oryza sativa) plants. Quantitative trait loci (QTLs) for 1,000-grain weight (TGW) were analyzed under different environments over 3 years in backcross inbred lines of rice japonica cv Nipponbare x indica cv Kasalath. Four QTLs for this...
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تاریخ انتشار 2017