Genetics of phenological development and implications for seed yield in lentil

© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink serv...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 75(2024), 16 vom: 28. Aug., Seite 4772-4783
1. Verfasser: Lake, Lachlan (VerfasserIn)
Weitere Verfasser: Hayes, Julie E, Ortega Martinez, Raul, Weller, Jim L, Javid, Muhammad, Butler, Jacob B, James, Laura E, Gimenez, Raul, Dreccer, M Fernanda, French, Robert, Sadras, Victor O
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Biomass GWAS environment florigen genetic gain harvest index partitioning phenotyping rainfall
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520 |a Understanding phenology, its genetics and agronomic consequences, is critical for crop adaptation. Here we aim to (i) characterize lentil response to photoperiod with a focus on five loci: the lentil ELF3 orthologue Sn, two loci linked to clusters of lentil FT orthologues, and two loci without candidates in chromosomes 2 and 5 (Experiment 1: 36 lines, short and long days in a phytotron), and (ii) establish the phenology-yield relationship (Experiment 2: 25 lines, 11 field environments). A vintage perspective, where we quantify time trends in phenotype over three decades of breeding, links both experiments. Yield increased linearly from older to newer varieties at 29 kg ha-1 year-1 or 1.5% year-1, correlated negatively with flowering time in both winter- and summer-rainfall regimes, and decoupled from biomass in favourable environments. Time to flowering shortened from older to newer varieties at -0.56% year-1 in the field, and -0.42% year-1 (short days) and -0.99% year-1 (long days) in the phytotron. Early-flowering lines of diverse origin carried multiple early alleles for the five loci, indicating that at least some of these loci affect phenology additively. Current germplasm primarily features the early-flowering haplotype for an FTb cluster region, hence the potential to increase phenological diversity with yield implications 
650 4 |a Journal Article 
650 4 |a Biomass 
650 4 |a GWAS 
650 4 |a environment 
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650 4 |a genetic gain 
650 4 |a harvest index 
650 4 |a partitioning 
650 4 |a phenotyping 
650 4 |a rainfall 
700 1 |a Hayes, Julie E  |e verfasserin  |4 aut 
700 1 |a Ortega Martinez, Raul  |e verfasserin  |4 aut 
700 1 |a Weller, Jim L  |e verfasserin  |4 aut 
700 1 |a Javid, Muhammad  |e verfasserin  |4 aut 
700 1 |a Butler, Jacob B  |e verfasserin  |4 aut 
700 1 |a James, Laura E  |e verfasserin  |4 aut 
700 1 |a Gimenez, Raul  |e verfasserin  |4 aut 
700 1 |a Dreccer, M Fernanda  |e verfasserin  |4 aut 
700 1 |a French, Robert  |e verfasserin  |4 aut 
700 1 |a Sadras, Victor O  |e verfasserin  |4 aut 
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