PIF4-controlled auxin pathway contributes to hybrid vigor in Arabidopsis thaliana [Plant Biology]

F1 hybrids in Arabidopsis and crop species are uniform and high yielding. The F2 generation loses much of the yield advantage and the plants have heterogeneous phenotypes. We generated pure breeding hybrid mimic lines by recurrent selection and also selected a pure breeding small phenotype line. The hybrid mimics are...

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