ArticlePlant cell reports2019
Crosstalk among hormones in barley spike contributes to the yield.
Article in Plant cell reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 26 citations in OpenAlex.
- Auxin-related regulation of barley floral organ fate: genetic and phenotypic insights from tweaky spike mutants.The New phytologist · 2026Article
- Seed yield as a function of cytokinin-regulated gene expression in wild Kentucky bluegrass (Poa pratensis).BMC plant biology · 2024Article
- Mineral accumulation, relative water content and gas exchange are the main physiological regulating mechanisms to cope with salt stress in barley.Scientific reports · 2024Article
- Characterization of a barley (Frontiers in plant science · 2023Article
- Review
- Manipulating GA-Related Genes for Cereal Crop Improvement.International journal of molecular sciences · 2022Review
- Exogenous phytohormones in the regulation of growth and development of cereals under abiotic stresses.Molecular biology reports · 2022Review
- Analyses ofPlants (Basel, Switzerland) · 2021Article
- Genotype-Dependent Effect of Silencing ofInternational journal of molecular sciences · 2021Article
- RING-Type E3 Ubiqitin Ligase Barley Genes (Plants (Basel, Switzerland) · 2020Article
- Genome-wide characterization and expression analyses of the auxin/indole-3-acetic acid (Aux/IAA) gene family in barley (Hordeum vulgare L.).Scientific reports · 2020Article
- Spike developmental stages and ABA role in spikelet primordia abortion contribute to the final yield in barley (Hordeum vulgare L.).Botanical studies · 2019Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
Abstract
key messageThe hormonal ratios along the barley spike regulate the development, atrophy and abortion of the spikelets and could be the mechanism by which the barley spike adapts its yield potential. Barley (Hordeum vulgare L.) is one of the oldest cereal crops known to be cultivated since about 10,000 years. The inflorescence of cultivated barley is an indeterminate spike that produces three single-flowered spikelets at each rachis node which make it unique among the grasses. The yield production in barley is predominantly controlled by very important parameters such as number of tillers and number of spikelets per spike. These two parameters are negatively correlated. Therefore, studying the biological and genetics of the spikelet development during the spike developmental stages is essential for breeding programs. Here we summarize our current understanding of the crosstalk between hormones such as auxin, cytokinin, gibberellin and abscisic acid along the spike and what is their role in regulating spike and spikelet development in barley. We conclude that the hormonal ratios at the apical, central, and basal sections of the spike not only regulate the spike developmental stages, but also the development, atrophy, and abortion of the spikelets. This hormonal dependent modification of the grain number along the spike could be the mechanism by which the barley spike adapts its yield potential.
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Registered trials
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