Table 1.

Identified allelochemicals which can be used to develop bioherbicides.

Common Name	Chemical Name	Source	Target Weeds	Reference
Avenacin A-1/Oat triterpenoid saponin	3β-{[β-D-glucopyranosyl-(1 → 2)-[β-D-glucopyranosyl-(1 → 4)]-α-L-arabinopyranosyl] oxy}-16β,23-dihydroxy-30-oxo-12β,13-epoxyoleanan-21β-yl 2-(methylamino)benzoate	Oats (Avena sativa)	Various Broadleaf	[20]
Juglone	5-Hydroxy-1,4-naphthoquinone	Black walnut trees (Juglans nigra)	Various Weeds	[21]
Coumarins	2H-1-Benzopyran-2-one	Mulberry (Morus alba)	Various Weeds	[22]
Sorgoleone	2-Hydroxy-5-methoxy-3-alkyl-1,4-benzoquinone	Sorghum (Sorghum bicolor)	Grass and Broadleaf Weeds	[23]
Caffeic acid	3,4-dihydroxy-cinnamic acid	Parthenium hysterophorus	Crab grass, Goose grass	[12]
Phenethyl mustard oil	2-Phenylethyl isothiocyanate	Mustard plants	Various Weeds	[24]
Catechin	(2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol	Various plants	Broadleaf Weeds	[25]
Eucalyptol	1,8-Cineole or 1,3,3-Trimethyl-2-oxabicyclo [2.2.2] octane	Eucalyptus trees	Various Weeds	[26]