Isolation of Aspergillus sulphureus, Penicillium islandicum and Paecilomyces variotii from Agricultural Soil and their Biological Activity Against Pythium spinosum, the Damping-Off Organism of Soybean

Hashem Al-Sheikh and H.M.A. Abdelzaher

Journal of Biological Sciences 10 ( 3 ): 178 - 189 , 2010