C.Agrestis L. is wild species from coix with many extraordinary traits.Which can be the source of genes for the improvement of C.Lacryma-jobi L. by hybridizing with C.

• 薏苡的近缘野生种川谷是改良薏苡的新的基因源，通过两者杂交可以创造广泛的重组、变异类型，为选育综合双亲优良性状的薏苡新品种提供了遗传基础。