Article
Exogenous gibberellins induce wheat spike development under short days only in the presence of VERNALIZATION1.
Plant physiology - 1 Nov 2013
Pearce Stephen, Vanzetti Leonardo S, Dubcovsky Jorge
Abstract excerpt
The activation of the meristem identity gene VERNALIZATION1 (VRN1) is a critical regulatory point in wheat (Triticum spp.) flowering. In photoperiod-sensitive wheat varieties, VRN1 is expressed only under long days (LDs), but mutants carrying deletions in a regulatory element in its promoter show VRN1 transcription and early spike development under short days (SDs). However, complete spike development is delayed...
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