An alternative mechanism for cleistogamy in barley.

Abstract excerpt

Cleistogamy in barley is genetically determined by the presence of the recessive allele cly1, but the dominant allele at the linked locus Cly2 is epistatic over cly1. Although the molecular basis for cly1 action is well understood, that of Cly2 is not. Here we show that anther non-extrusion can occur not just when the lodicules fail to expand adequately (a trait which is fully determined by the allelic state at...

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