“…The ability of Trichoderma spp. to enhance plant defenses against different organisms has been already described several times in different pathosystems ( Perazzolli et al, 2011 ; Mastouri et al, 2012 ; Mathys et al, 2012 ; Hermosa and Rubio, 2013 ; Banani et al, 2014 ; Singh et al, 2019 ). For instance, a recent study of the application on T. harzianum on tomato reported a protective effect against root-knot nematode by the overproduction of reactive oxygen species (ROS), secondary metabolites, and defense-related hormones ( Yan et al, 2021 ).…”