A new locus for colour formation in beet, Beta vulgaris L.

摘要

Beets of the white mangel strain, Gartons White Knight, have normal dominant colour genes at the R- and G-loci. They do not express themselves because White Knight carries a recessive gene, p, the normal allele of which, P, is indispensable for colour formation. The P-gene is carried by most beet strains. The P-locus is closely linked to the two colour gene loci R and G. The white mangel strain, Gartons White Chief, has the same genotype for colour as Gartons White Knight, ppRRGG.