ArticleAnnals of botany2016
Optimizing tiller production and survival for grain yield improvement in a bread wheat × spelt mapping population.
Article in Annals of botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed.
- Keeping Green and Functional: Photosynthetic Integrity and Leaf Area Underpin Waterlogging Tolerance in Bread Wheat.Plants (Basel, Switzerland) · 2026Article
- Plasticity of source-sink dynamics contributes to wheat yield stability.Nature communications · 2026Article
- Effect of developmental dynamics on WRKY expression in barley with varying phenologies and trichome micromorphologies.BMC plant biology · 2025Article
- The selection and application of tiller number QTLs in modern wheat breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Transcriptome analysis of axillary buds in low phosphorus stress and functional analysis of TaWRKY74s in wheat.BMC plant biology · 2024Article
- The effects of heading time on yield performance and HvGAMYB expression in spring barley subjected to drought.Journal of applied genetics · 2023Article
- Tiller estimation method using deep neural networks.Frontiers in plant science · 2022Article
- Low red/far-red ratio can induce cytokinin degradation resulting in the inhibition of tillering in wheat (Frontiers in plant science · 2022Article
- Improvement in Brazilian barley breeding: Changes in developmental phases and ecophysiological traits.Frontiers in plant science · 2022Article
- Enhancing the productivity of ryegrass at elevated CO2 is dependent on tillering and leaf area development rather than leaf-level photosynthesis.Journal of experimental botany · 2021Article
- Molecular Characterization of thePlants (Basel, Switzerland) · 2020Article
- Genetic Parameters and QTLs for Total Phenolic Content and Yield of Wheat Mapping Population of CSDH Lines under Drought Stress.International journal of molecular sciences · 2019Article
- Physiological and developmental traits associated with the grain yield of winter wheat as affected by phosphorus fertilizer management.Scientific reports · 2019Article
- WALTer: a three-dimensional wheat model to study competition for light through the prediction of tillering dynamics.Annals of botany · 2019Article
- Identification of drought responsive proteins and related proteomic QTLs in barley.Journal of experimental botany · 2019Article
- Article
- Genome-wide association analyses of plant growth traits during the stem elongation phase in wheat.Plant biotechnology journal · 2018Article
- Environmental and Genetic Variation for Yield-Related Traits of Durum Wheat as Affected by Development.Frontiers in plant science · 2018Article
- Exogenous Hormonal Application Regulates the Occurrence of Wheat Tillers by Changing Endogenous Hormones.Frontiers in plant science · 2018Article
- Article
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3 authors.
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Abstract
BACKGROUND AND
aimsTiller production and survival determine final spike number, and play key roles in grain yield formation in wheat (Triticum aestivum). This study aimed to understand the genetic and physiological basis of the tillering process, and its trade-offs with other yield components, by introducing genetic variation in tillering patterns via a mapping population of wheat × spelt (Triticum spelta).
methodsThe dynamics of tillering and red/far-red ratio (R:FR) at the base of a canopy arising from neighbouring plants in a bread wheat (Triticum aestivum 'Forno') × spelt (Triticum spelta 'Oberkulmer') mapping population were measured in the field in two growing seasons. Additional thinning and shading experiments were conducted in the field and glasshouse, respectively. Yield components were analysed for all experiments, followed by identification of quantitative trait loci (QTL) associated with each trait. KEY
resultsLarge genetic variation in tillering was observed, and more fertile shoots per plant were associated with more total shoots initiated, faster tillering rate, delayed tillering onset and cessation, and higher shoot survival. A total of 34 QTL for tillering traits were identified, and analysis of allelic effects confirmed the above associations. Low R:FR was associated with early tillering cessation, few total shoots, high infertile shoot number and shoot abortion, and these results concurred with the thinning and shading experiments. These effects probably resulted from an assimilate shortage for tiller buds or developing tillers, due to early stem elongation and enhanced stem growth induced by low R:FR. More fertile tillers normally contributed to plant yield and grain number without reducing yield and grain set of individual shoots. However, there was a decrease in grain weight, partly because of smaller carpels and fewer stem water-soluble carbohydrates at anthesis caused by pleiotropy or tight gene linkages.
conclusionsTillering is under the control of both genetic factors and R:FR. Genetic variation in tillering and tolerance to low R:FR can be used to optimize tillering patterns for yield improvement in wheat.
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