'DIMBOA' is associated with

Answer: Option B

DIMBOA is 2, 4-dihydroxy-7-methoxy-1, 4-benzoxazine-3-one a naturally occurring hydroxamic acid and is a powerful antibiotic present in maize.
It was identified in maize in 1962 for the first time and named a 'corn sweet substance'. It can also form complexes with Iron in the rhizosphere and enhance the iron supply in maize.