DIMBOA, an acronym for the hydroxamic acid 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one, is a naturally occurring compound present in maize. DIMBOA in maize functions as natural defense against European corn borer larvae and many other damaging pests. The exact level of DIMBOA varies between individual plants but higher concentrations are typically found in young seedlings and the concentration decreases as the plant ages.… (More on Dimboa)