[36] Trichoderma is actually a By natural means transpiring fungus in coco peat; it works in symbiosis with plant roots to guard them from pathogenic fungi which include Pythium.[citation needed] encroachment, intrusion, invasion - any entry into a place not previously occupied; "an invasion of vacationers"; "an invasion of locusts" https://coir-mat35566.bcbloggers.com/36790172/indoor-door-mats-an-overview