http://www.jnkvv.nic.in/IPM%20project/weed-management.html#Achyranthus_aspera

Biological Control of weeds in groundnut

• Improved and competitive grasses like Setaria, Guinea grasses should be planted after herbicide application.
• Common purslane plants that have been attacked by the purslane sawfly produce fewer seeds and are much less competitive with garden and crop plants.