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Diverse alleles of Photoperiod-H1 directly and indirectly affect barley yield-related traits under contrasting photoperiods and PHYTOCHROME C backgrounds.

Journal of experimental botany - 9 Apr 2025

Parrado Jorge D, Slafer Gustavo A, Savin Roxana

Abstract excerpt

Barley traits that determine grain number are established between jointing and flowering. The timing of flowering is critical for adaptation and yield as it affects the fertility of both the main shoot and tiller spikes. The Photoperiod-H1 (PPD-H1) gene controls flowering time and impacts spike fertility and yield in barley; however, it is not known if these effects are truly pleiotropic or indirect. Recent...

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Alleles
Flowers
Hordeum
Photoperiod
Phytochrome

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PMID: 39851238
DOI: 10.1093/jxb/erae491

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