Trichoderma harzianum
harzianum grows faster on the surface of the root than soil borne pathogenic fungi, which get no change to establish themselves on the roots. Competition for [...] Induced resistance: Trichoderma harzianum reinforces the defence mechanism of the parts of the plant above the ground, so-called induced system resistance (ISR) [...] their metabolic processes. Strengthening the plant: Trichoderma harzianum improves the root system through the formation of more root hairs, so that water