A SHORT INTERNODES (SHI) family transcription factor gene regulates awn elongation and pistil morphology in barley

Abstract

The awn, an apical extension from the lemma of the spikelet, plays important roles in seed dispersal, burial, and photosynthesis. Barley typically has long awns, but short-awn variants exist. The short awn 2 (lks2) gene, which produces awns about 50% shorter than normal, is a natural variant that is restricted to Eastern Asia. Positional cloning revealed… (More)
DOI: 10.1093/jxb/ers182

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