Positional cloning of the s haplotype determining the floral and incompatibility phenotype of the long-styled morph of distylous Turnera subulata.

Abstract excerpt

Heterostyly is a plant breeding system occurring in approximately 28 plant families and it has often been used as a model system in plant genetics and evolution. Although heterostyly has been studied for over a century beginning with Charles Darwin, the genes determining floral architecture and incompatibility are still unknown. To identify the genes residing at the S-locus of distylous Turnera subulata, we used...

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