Identification of QTL for crop timing and quality traits in an interspecific Petunia population

Vallejo, Verónica; Tychonievich, Joseph; Lin, Wei Kuang; Wangchu, L.; Barry, Cornelius S.; Warner, Ryan M.

doi:10.1007/s11032-015-0218-4

Cited by 16 publications

(17 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Broad-sense heritability ( H 2 ) estimates in petunia for PH ( H 2 = 0.83 to 0.88), DTA ( H 2 = 0.34 to 0.88), FD ( H 2 = 0.72 to 0.82), and FL ( H 2 = 0.72 to 0.96) were previously reported by others ( Hussein and Misiha 1979 ; Warner and Walworth 2010 ; Vallejo et al 2015 ). Compared to those H 2 estimates, the present study reports relatively lower H 2 for PH ( H 2 = 0.61), FD ( H 2 = 0.50), FL ( H 2 = 0.62), and DTA ( H 2 = 0.20) ( Table 1 ).…”

Section: Discussionsupporting

confidence: 65%

“…So far, several genetic linkage maps have been developed in petunia based on restriction fragment length polymorphism (RFLP) ( Strommer et al 2000 ), amplified fragment length polymorphism (AFLP) ( Galliot et al 2006 ), and simple sequence repeat (SSR) markers ( Klahre et al 2011 ; Vallejo et al 2015 ). The marker density in these linkage maps differed from an average of 10.2 cM between markers to an average of 3.18 cM between markers ( Galliot et al 2006 ; Vallejo et al 2015 ). Based on these maps, several QTL have been identified in wild petunia species ( Galliot et al 2006 ; Klahre et al 2011 ; Hermann et al 2015 ).…”

mentioning

confidence: 99%

“…Most of these QTL studies centered around pollination syndrome-related traits such as pistil and stigma length, flower scent, and flower size. Only one QTL study focused on plant development rates and flowering times ( Vallejo et al 2015 ).…”

mentioning

confidence: 99%

“…A vast number of SNP markers generated by GBS have been used for linkage map construction, QTL analysis, and association analysis in many agronomic crops ( He et al 2014 ). However, in ornamental plants, including petunia, the use of GBS in linkage map construction and QTL analysis have lagged far behind agronomic crops ( Vallejo et al 2015 ).…”

mentioning

confidence: 99%

See 3 more Smart Citations

Genome-Wide Search for Quantitative Trait Loci Controlling Important Plant and Flower Traits in Petunia Using an Interspecific Recombinant Inbred Population ofPetunia axillarisandPetunia exserta

Cao

Guo

Yang

et al. 2018

G3 Genes|Genomes|Genetics

View full text Add to dashboard Cite

A major bottleneck in plant breeding has been the much limited genetic base and much reduced genetic diversity in domesticated, cultivated germplasm. Identification and utilization of favorable gene loci or alleles from wild or progenitor species can serve as an effective approach to increasing genetic diversity and breaking this bottleneck in plant breeding. This study was conducted to identify quantitative trait loci (QTL) in wild or progenitor petunia species that can be used to improve important horticultural traits in garden petunia. An F7 recombinant inbred population derived between Petunia axillaris and P. exserta was phenotyped for plant height, plant spread, plant size, flower counts, flower diameter, flower length, and days to anthesis in Florida in two consecutive years. Transgressive segregation was observed for all seven traits in both years. The broad-sense heritability estimates for the traits ranged from 0.20 (days to anthesis) to 0.62 (flower length). A genome-wide genetic linkage map consisting of 368 single nucleotide polymorphism bins and extending over 277 cM was searched to identify QTL for these traits. Nineteen QTL were identified and localized to five linkage groups. Eleven of the loci were identified consistently in both years; several loci explained up to 34.0% and 24.1% of the phenotypic variance for flower length and flower diameter, respectively. Multiple loci controlling different traits are co-localized in four intervals in four linkage groups. These intervals contain desirable alleles that can be introgressed into commercial petunia germplasm to expand the genetic base and improve plant performance and flower characteristics in petunia.

show abstract

Section: Discussionsupporting

confidence: 65%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Genome-Wide Search for Quantitative Trait Loci Controlling Important Plant and Flower Traits in Petunia Using an Interspecific Recombinant Inbred Population ofPetunia axillarisandPetunia exserta

Cao

Guo

Yang

et al. 2018

G3 Genes|Genomes|Genetics

View full text Add to dashboard Cite

show abstract

“…Crossing barriers do not exist between these species, and such crosses are therefore easy to conduct. Hence, populations of recombinant inbred lines (RILs) have been generated, and corresponding maps have been established, which have been used for the identification of quantitative trait loci (QTLs) for characters such as flower morphology (Galliot et al ) and plant quality (Vallejo et al ). Markers of these QTLs can be subsequently used in breeding programs to target the generation of new cultivars with desired traits in a relatively short time (Guo et al ).…”

Section: Introductionmentioning

confidence: 99%

Petunia as model for elucidating adventitious root formation and mycorrhizal symbiosis: at the nexus of physiology, genetics, microbiology and horticulture

Druege

Franken

2018

Physiologia Plantarum

View full text Add to dashboard Cite

Adventitious root formation in cuttings and establishment of arbuscular mycorrhizal symbiosis reflect the enormous plasticity of plants and are key factors in the efficient and sustainable clonal propagation and production of ornamental crops. Based on the high importance of Petunia hybrida for the European and US annual bedding plant markets and its suitability as a model for basic plant sciences, petunia has been established as an experimental system for elucidating the molecular and physiological processes underlying adventitious root formation and mycorrhizal symbiosis. In the present review, we introduce the tools of the Petunia model system. Then, we discuss findings regarding the hormonal and metabolic control of adventitious rooting in the context of diverse environmental factors as well as findings on the function of arbuscular mycorrhiza related to nutrient uptake and resistance to root pathogens. Considering the recent publication of the genomes of the parental species of P. hybrida and other tools available in the petunia scientific community, we will outline the quality of petunia as a model for future system-oriented analysis of root development and function in the context of environmental and genetic control, which are at the heart of modern horticulture.

show abstract

Molecular Maps and Mapping of Genes and QTLs of Salvia miltiorrhiza

Wang

Song

2019

Compendium of Plant Genomes

View full text Add to dashboard Cite

Identification of QTL for crop timing and quality traits in an interspecific Petunia population

Cited by 16 publications

References 39 publications

Genome-Wide Search for Quantitative Trait Loci Controlling Important Plant and Flower Traits in Petunia Using an Interspecific Recombinant Inbred Population ofPetunia axillarisandPetunia exserta

Genome-Wide Search for Quantitative Trait Loci Controlling Important Plant and Flower Traits in Petunia Using an Interspecific Recombinant Inbred Population ofPetunia axillarisandPetunia exserta

Petunia as model for elucidating adventitious root formation and mycorrhizal symbiosis: at the nexus of physiology, genetics, microbiology and horticulture

Molecular Maps and Mapping of Genes and QTLs of Salvia miltiorrhiza

Contact Info

Product

Resources

About