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Article
Agricultural phenotype and silymarin content variations of cultivated milk thistle in Korea
Investigating agricultural traits and silymarin content variations in the domestic cultivation environment is necessary since the interest in milk thistle has increased as a high-income cash crop or plant capa...
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Article
Open AccessChromosome-level genome assembly of milk thistle (Silybum marianum (L.) Gaertn.)
Silybum marianum (L.) Gaertn., commonly known as milk thistle, is a medicinal plant belonging to the Asteraceae family. This plant has been recognized for its medicinal properties for over 2,000 years. However, t...
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Article
Open AccessDevelopment of a Temperate Climate-Adapted indica Multi-stress Tolerant Rice Variety by Pyramiding Quantitative Trait Loci
Successful cultivation of rice (Oryza sativa L.) in many Asian countries requires submergence stress tolerance at the germination and early establishment stages. Two quantitative trait loci, Sub1 (conferring subm...
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Article
Open AccessDevelopment and application of indica–japonica SNP assays using the Fluidigm platform for rice genetic analysis and molecular breeding
Molecular markers are efficient and essential genoty** tools for molecular breeding and genetic analysis of rice. We developed two 96-plex indica–japonica single nucleotide polymorphism (SNP) genoty** sets fo...
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Article
Open AccessIdentification and Characterization of LARGE EMBRYO, a New Gene Controlling Embryo Size in Rice (Oryza sativa L.)
Although embryo accounts for only 2–3% of the total weight of a rice grain, it is a good source of various nutrients for human health. Because enlarged embryo size causes increase of the amount of nutrients an...
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Article
Identification of a novel SPLIT-HULL (SPH) gene associated with hull splitting in rice (Oryza sativa L.)
The split-hull phenotype caused by reduced lemma width and low lignin content is under control of SPH encoding a type-2 13-lipoxygenase and contributes to high dehulling efficiency.
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Article
Open AccessAssociation between sequence variants in panicle development genes and the number of spikelets per panicle in rice
Balancing panicle-related traits such as panicle length and the numbers of primary and secondary branches per panicle, is key to improving the number of spikelets per panicle in rice. Identifying genetic infor...
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Article
Open AccessLarge-scale deployment of a rice 6 K SNP array for genetics and breeding applications
Fixed arrays of single nucleotide polymorphism (SNP) markers have advantages over reduced representation sequencing in their ease of data analysis, consistently higher call rates, and rapid turnaround times. A...
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Article
Open AccessSugary Endosperm is Modulated by Starch Branching Enzyme IIa in Rice (Oryza sativa L.)
Starch biosynthesis is one of the most important pathways that determine both grain quality and yield in rice (Oryza sativa L.). Sugary endosperm, sugary-1 (sug-1), is a mutant trait for starch biosynthesis. Rice...
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Article
Characterization of indica–japonica subspecies-specific InDel loci in wild relatives of rice (Oryza sativa L. subsp. indica Kato and subsp. japonica Kato)
Insertion/deletion (InDel) polymorphisms are generally irreversible and, thus, are useful for evaluating the genetic relationships within the genus Oryza. Moreover, subspecies-specific (SS) InDel markers linked t...
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Article
Erratum to: Identification of quantitative trait loci for panicle length and yield related traits under different water and P application conditions in tropical region in rice (Oryza sativa L.)
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Article
Identification of quantitative trait loci for panicle length and yield related traits under different water and P application conditions in tropical region in rice (Oryza sativa L.)
Climate change is projected to have a serious impact on the yield potential of rice in tropical as well as in temperate countries. It is therefore essential to develop rice varieties which are climate change r...
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Brief History and Perspectives on Plant Breeding
Following the rediscovery of Mendel’s principles of heredity in 1900, plant breeding has made tremendous progress in develo** diverse methodologies to create and select variation by using genetic principles....
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Article
Open AccessDefining the genome structure of `Tongil' rice, an important cultivar in the Korean "Green Revolution"
Tongil (IR667-98-1-2) rice, developed in 1972, is a high-yield rice variety derived from a three-way cross between indica and japonica varieties. Tongil contributed to the self-sufficiency of staple food producti...
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Article
Open AccessAnalysis of segregation distortion and its relationship to hybrid barriers in rice
Segregation distortion (SD) is a frequently observed occurrence in map** populations generated from crosses involving divergent genotypes. In the present study, ten genetic linkage maps constructed from reci...
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Article
Open AccessA novel allele of the P-starvation tolerance gene OsPSTOL1 from African rice (Oryza glaberrima Steud) and its distribution in the genus Oryza
We have developed allele-specific markers for molecular breeding to transfer the PSTOL1 gene from Kasalath to African mega-varieties, including NERICAs, to i...
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Article
QTL analyses of heterosis for grain yield and yield-related traits in indica-japonica crosses of rice (Oryza sativa L.)
Two sets of rice materials, 166 RILs derived from a cross between Milyang 23 (Korean indica-type rice) and Tong 88-7 (japonica Rice), and BC1F1 hybrids derived from crosses between the RILs and the female parent,...
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Article
The protein kinase Pstol1 from traditional rice confers tolerance of phosphorus deficiency
A gene that is present in phosphate-deficiency-tolerant rice but absent from modern rice varieties is characterized and named phosphorus-starvation tolerance 1 (PSTOL1); overexpression of PSTOL1 in rice species t...
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Article
QTLs for hybrid fertility and their association with female and male sterility in rice
Hybrid sterility is one of the major barriers to the application of wide crosses in plant breeding and is commonly encountered in crosses between indica and japonica rice varieties. Ten map** populations compri...
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Article
Identification of QTLs for Drought-Related Traits in Alien Introgression Lines Derived from Crosses of Rice (Oryza sativa cv. IR64) × O. glaberrima under Lowland Moisture Stress
Drought is a major abiotic stress that limits rice productivity in rain-fed and upland ecosystems. African rice, Oryza glaberrima, has low yields but is tolerant to drought and other stresses. We evaluated 513 BC
