Biocontrol is considered as an effective alternative to the application of agrochemicals, which are harmful environment, human, and animal health. In this study, twenty-six strains actinomycetes were isolated from rhizospheric arid soil halophyte Atriplex halimus L. ῾Guettaf’ in Biskra province, Algeria. The six isolates that have inhibited at least three phytopathogenic fungi among five tested...