Fig. 5

Carotenoids in unexplored germplasm collections. A PCA of additive genetic relationship for unexplored germplasm collections and SAP/CAP collection; boxplot of distribution of GEBVs aggregated by country and ordered by lowest to highest carotenoid for B) lutein, C) zeaxanthin, and D) β-carotene; PCA of the genetic relationships of the top 5% of E) lutein, F) zeaxanthin, and G) β-carotene GEBVs in the unexplored germplasm collections