Fig. 7. HMW glutenin pattern distributions for backcross hybrid seed (a) by year for all seed; (b) by collection for all seed – SP (single-plant collection), Bulk (bulk plant collection); (c) by F₁ female parentage—aes (wheat) or cyl (jointed goatgrass) seed-spikelet; (d) by site for the seed-spikelet subsample.