Induction of the accumulation of 2-(2-hydroxy-4,7-dimethoxy-1,4-benzoxazin-3-one)-尾-d-glucopyranose (HDMBOA-Glc) by jasmonic acid (JA) was investigated in wheat, Job's tears (Coix lacryma-jobi), and rye. An increase in HDMBOA-Glc and a corresponding decrease in 2-(2,4-...