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The Salicaceae, including Populus and Salix, are dioecious perennials that utilize different sex determination systems. This family provides a useful system to better understand the evolution of dioecy and sex chromosomes.
Here, a rare monoecious genotype of Salix purpurea, 94003, was self‐ and cross‐pollinated and progeny sex ratios were used to test hypotheses on possible mechanisms of sex determination...