The problem of Parthenium weed has been apparent since more than five decades and is continuing to affect health of humans, animals, flora and environment. It is one of the most defamed terrestrial weed in India. To-day, probably more people are aware of its obnoxious effects and want to eradicate/arrest its menace immediately. Principally, no plant should be eradicated, as the nature's creation has some role of play some time and some where on this planet; ...