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Differential activity of CYTOKININ OXIDASE/DEHYDROGENASE3 (CKX3) and CKX5 genes in regulating yield components in Brassica napus L.

Plant molecular biology - 5 Mar 2026

Schwarz Ireen, Möllers Christian, Schmülling Thomas

Abstract excerpt

Cytokinin is a plant hormone that regulates several yield-related traits in plants. Previously, it was demonstrated that in tetraploid oilseed rape (Brassica napus L.), mutation of all four cytokinin-degrading BnCKX3 and both BnCKX5 genes resulted in increased cytokinin concentration, larger and more active inflorescence meristems, and a higher number of ovules per gynoecium. This resulted in the formation of...

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PMID: 41784741
DOI: 10.1007/s11103-025-01678-3
PMCID: PMC12963132

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