Experts stated this at the farmer day held at the Chak No 4, Ram Diwali. The event was arranged by Institute of Agricultural Extension and Rural Development University of Agriculture Faisalabad and the Centre for Agriculture and Biosciences International (CABI). UAF Vice Chancellor Dr Muhammad Ashraf said that parthenium is spreading at an alarming rate across the country as it is extremely harmful for human beings, animals and plants. Human in contact with any part of the weed can develop allergy, asthma, eyes and nose diseases etc . He said that plant gives 10,000 seeds that resulted in its massive outbreak. He said parthenium can be managed using a combination of methods including preventive, cultural biological, manual, mechanical and herbicides. He said that unfortunate, no systemic research had been conducted on the said weed. Dean Social Sciences UAF Dr Mehmood A Randhawa that invasive species approximately cost the global economy more than $1.4 trillion. He said that in the last 30 days, the UAF in collaboration with CABI had conducted more than 30 awareness sessions especially in different villages on parthenism. CABI Deputy Director Dr Abdul Rehman said that if an animal eat the weed, it decreasing its milk production and weight. He said it is essential that the general public and farming community should be aware about silent enemy living amongst them. He said that gloves must be used while removing the weed. He said that parthenium weed was being used in floral bouquets. Dr Ijaz Ashraf that the cases of allergy, eye disease and other were increasing in the hospital due to this toxic weed. He said parthenium is among the top 10 most dangerous weed. He said that some Hakeem were using the weed to treat some diseases. The trend is most dangerous and the weed is responsible for the outbreak of many diseases in human being.