Flowering is a major developmental transition in plants, from the vegetative to the reproductive state, during which the plants structurally acquires reproductive competence by producing inflorescences. The timing of this change is influenced by endogenous and environmental signals such as hormones, day length and temperature.

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News and Comment

  • News & Views |

    Seasonal control of flowering is a dramatic example of interactions between genes and environment, and is mostly studied in growth chambers. However, switching from natural settings to artificial conditions affects phenotypes. More natural responses in cabinets can be obtained by only modifying a few environmental parameters.

    • Kayla McCarthy
    •  & Seth J. Davis
    Nature Plants 4, 750-751
  • News & Views |

    Biennial plants require exposure to the cold of winter to overcome a block to flowering in the spring. The molecular role of FRIGIDA, a key component of the system that establishes the cold requirement in Arabidopsis, is to assemble a protein super-complex that promotes expression of a flowering repressor in the autumn.

    • Richard Amasino
    Nature Plants 4, 752-753
  • News & Views |

    The stigma has a tightly regulated functional lifespan and is therefore a key determinant for floral receptivity. New evidence reveals how two transcription factors play a pivotal role in controlling stigma lifespan by regulating developmental programmed cell death in this tissue to terminate pollen receptivity.

    • Maurice Bosch
    •  & Noni V. E. Franklin-Tong
    Nature Plants 4, 323-324