Here is the list of Weeds Australian authorities have selected for
eradication.
http://www.weeds.org.au/management.htm

Jatropha curcas is one of these weeds. In India planners are planting
it in millions of acre. After one decade Australian technology to
eradicate this weed will help us to control the unlimited growth of
this foreign plant in our land.

Pankaj Oudhia