The Question of Colchicine Induced Somatic Reduction and the Production of Homozygous Diploid Mutants in Sorghum

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Abstract
This is a commentary on the point of view of Ross, Franzke and associates that colchicine induces somatic reduction and produces homozygous diploid mutants in sorghum. It is suggested that a thorough cytohistological study of the entire colchicine treated plants might reveal that those reported to be diploid and true breeding mutants may have haploid root systems, indicating that initially they were of androgenic or gynogenic haploid origin and were diploidized by colchicine. It is also suggested that "mutations" in the treated "Experimental 3 " sorghum might somehow be related to the complex hybrid origin of this strain.

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