The relationship between seed fresh weight and pod age in the wild type and the def mutant P. sativum. JI 116 is tall wild type. JI 2822 is dwarf wild type. JI 1184 is tall mutant and JI 3020 is dwarf mutant. Seeds in the first (most mature) pod and close to pea stock are designated as P1.1. The youngest pod and close to the pea stock is designated as P10.1 for JI 116, P8.1 for JI 1184, P4.1 for JI 2822 and P3.1 for JI 3020.