Development and identification of synthetic interspecific hybrids between <i>Oryza sativa</i> and <i>Oryza australiensis</i>

Yi, Chuandeng; Hu, Dabang; Zhang, Jingjing; Jin, Weigang; Li, Wei; Zhou, Yong; Gu, Minghong

doi:10.5958/0975-6906.2018.00022.6

Cited by 3 publications

(1 citation statement)

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“…During the diploid stage of Oryza sativa, 24 chromosomes are present in the paired form. In terms of physical traits, these chromosomes are further divided into three little pairs, four medium pairs, and five big pairs [21].…”

Section: Rice Molecular Geneticsmentioning

confidence: 99%

Genome wide association mapping of yield and other agronomic traits in rice: Narrative literature review

Asad¹,

Ihsan²,

Qaisrani³

et al. 2021

World J. Adv. Res. Rev.

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Based on previous recombination actions and LD (linkage disequilibrium) throughout the genome, genome wide association mapping studies often are employed to find Quantitative trait locus in varied collections of crop germplasm. Generally, diverse panel’s genotyped using high density Single nucleotide polymorphism (SNP) panels are used to test a broad variety of haplotypes and alleles, as well as to track recombination divisions throughout the genome. GWAS, on the other hand, have rarely been used in breeding populations. We studied association mapping for agricultural parameters such as yield and its constituents in a breeding inhabitants of top irrigated tropical rice progenies so that the findings could be used to breeding more directly than those from a diverse panel. GWAS was undertaken with the specific purpose of accelerating selection in the breeding population, and the sample was genotyped with 71,710 Single nucleotide polymorphisms using genotyping-by-sequencing. We found 52 Quantitative trait locus QTL for 11 agronomic characteristics using this breeding panel, including substantial impact Quantitative trait loci (QTLs) for flowering period as well as grain width, grain length, grain length-breadth ratio. Furthermore we discovered haplotypes that may be applied to choose plants for our population with smaller stature (plant height), fast blooming time, with high yield, demonstrating the value of association mapping for advising breeding choices in breeding populations. Furthermore, we explore at how genomic-assisted selection models might be built using the newly discovered important Single nucleotide polymorphisms (SNPs) and deep insight into the genetic structure of these quantitative traits.

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Section: Rice Molecular Geneticsmentioning

confidence: 99%

Genome wide association mapping of yield and other agronomic traits in rice: Narrative literature review

Asad¹,

Ihsan²,

Qaisrani³

et al. 2021

World J. Adv. Res. Rev.

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Sustainable agriculture through perennial grains: Wheat, rice, maize, and other species. A review

Gómez

Pérez‐Rodríguez

2022

Agriculture, Ecosystems & Environment

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Applications of In Vitro Tissue Culture Technologies in Breeding and Genetic Improvement of Wheat

Wijerathna-Yapa

Ramtekey

Ranawaka

et al. 2022

Plants

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Sources of new genetic variability have been limited to existing germplasm in the past. Wheat has been studied extensively for various agronomic traits located throughout the genome. The large size of the chromosomes and the ability of its polyploid genome to tolerate the addition or loss of chromosomes facilitated rapid progress in the early study of wheat genetics using cytogenetic techniques. At the same time, its large genome size has limited the progress in genetic characterization studies focused on diploid species, with a small genome and genetic engineering procedures already developed. Today, the genetic transformation and gene editing procedures offer attractive alternatives to conventional techniques for breeding wheat because they allow one or more of the genes to be introduced or altered into an elite cultivar without affecting its genetic background. Recently, significant advances have been made in regenerating various plant tissues, providing the essential basis for regenerating transgenic plants. In addition, Agrobacterium-mediated, biolistic, and in planta particle bombardment (iPB) gene delivery procedures have been developed for wheat transformation and advanced transgenic wheat development. As a result, several useful genes are now available that have been transferred or would be helpful to be transferred to wheat in addition to the current traditional effort to improve trait values, such as resistance to abiotic and biotic factors, grain quality, and plant architecture. Furthermore, the in planta genome editing method will significantly contribute to the social implementation of genome-edited crops to innovate the breeding pipeline and leverage unique climate adaptations.

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Development and identification of synthetic interspecific hybrids between Oryza sativa and Oryza australiensis

Cited by 3 publications

References 0 publications

Genome wide association mapping of yield and other agronomic traits in rice: Narrative literature review

Genome wide association mapping of yield and other agronomic traits in rice: Narrative literature review

Sustainable agriculture through perennial grains: Wheat, rice, maize, and other species. A review

Applications of In Vitro Tissue Culture Technologies in Breeding and Genetic Improvement of Wheat

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