Abstract
AbstractA new spontaneous mutation is described in faba bean, Vicia faba L., characterized by a marked green colour in the entire cotyledon tissues of the mature seeds, while the wild phenotype is yellow. This seed character reflects the embryonic genotype and is determined by a single recessive allele named i1‐1. It is distinct from the y gene, which codes for green testa. As is the case for gene y, the gene i1‐1 displays no epistatic effects with the zero‐tannin genes zt1 and zt2 which influence seed and flower colour in faba bean. In this allogamous species, such a mutation is a useful tool in cross‐fertilization studies.
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