Selective weed-killer, kills dicot weeds particularly; used to kill Oxalis, etc. in pots; do not use on pots less than five inches; water the previous day; spray as a light drench with 3 rounded ttpg. (30 grams) to the surface of the pot; do not water again for two to three days; safe on cattleyas. A73-409; A75-437; A76-403