Spotted dormant kernels were isolated when vp-m451 was crossed to a homozygous c sh wx tester stock. It was demonstrated that a colorless dormant allele of vp1 was segregating in the c sh wx stock and the allele was designated vp-c821708. vp-c821708 is similar to the colorless dormant allele discovered by Robertson (MNL 39:104) in that dormancy is not always complete when these alleles are homozygous or heterozygous with other recessive alleles of vpl.
Brian E. Scheffler and Peter A. Peterson
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