Review Article

Phytotoxicity of Natural Molecules Derived from Cereal Crops as a Means to Increase Yield Productivity

Figure 4

Chemical structure of some reported allelochemicals in corn. (a) 5-Chloro-6-methoxy-2-benzoxazolinone (Cl-MBOA), (b) 2, 4-dihydroxy-3H-1, 4-benzoxazin-3-one (DIBOA), (c) 6-methoxy-2-benzoxazolinone (MBOA), and (d) benzoxazolinone (BOA).