Inhibitory effect of higher concentrations
of alachlor on T. harzianum was
earlier reported by Abdel-Mallek et al.,1 and
Jayaraj and Radhakrishnan7. However in our
studies there was no adverse effect of this
herbicide on bioagent. Baggy and Hemida3
have reported the utilization of metolachlor by
T. harzianum. In present study similar results
were obtained on metolachlor. Fluchloralin has
not been found inhibitory to radial growth of Trichoderma sp.