The flowering gene SINGLE FLOWER TRUSS drives heterosis for yield in tomato

  title={The flowering gene SINGLE FLOWER TRUSS drives heterosis for yield in tomato},
  author={Uri Krieger and Zachary B Lippman and Dani Zamir},
  journal={Nature Genetics},
Intercrossing different varieties of plants frequently produces hybrid offspring with superior vigor and increased yields, in a poorly understood phenomenon known as heterosis. One classical unproven model for heterosis is overdominance, which posits in its simplest form that improved vigor can result from a single heterozygous gene. Here we report that heterozygosity for tomato loss-of-function alleles of SINGLE FLOWER TRUSS (SFT), which is the genetic originator of the flowering hormone… CONTINUE READING
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