Cue blooms

Using a technique called transposon tagging, scientists have identified the master gene that controls flowering in plants. The gene, known as FLF, suppresses flowering until switched off by other genes in response to environmental cues. The discovery raises the possibility of developing anti-flowering compounds for use in crop production and weed control. Other research has shed light on the pathway that allows the plant Arabidopsis to flower in response to increasing day length.

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