Table 2. Effect of different ortho substituents (g a.i./ha).

ortho position	ED20	ED90
	ORYSA	ECHOR	MOOVA	SCPJO
OMe	250	63	1,000	250
OEt	250	16	250	63
OCF2H	32	16	125	32
Cl	250	16	500	500
CF3	63	16	250	125
CN	63	63	500	125
COOMe	>1,000	250	>1,000	>1,000
MeSO2	250	250	>1,000	250

See Table 1 for abbreviations and conditions.