Identification and characterization of a novel sorghum genotype with unique floral morphology- Six stamens and two gynoecia

Abstract

A novel sorghum genotype (identity SGS 389) was recovered from the germplasm collection characterized by six stamens and two gynoecia which is a trait reported for the first time. Floral analysis exposed that all the stamen and gynoecia were fertile as they produced two seeds in each spikelet instead of one, in contrast to the normal sorghum generating one seed per spikelet. The novel genotype was characterized for agromorphological traits as per the DUS guidelines. The novel genotype can provide an insight into understanding the genetic control and regulatory mechanism of floral structure development in sorghum in particular as well as grasses in general.