Among the over 185 known species within the genus Aspergillus, Aspergillus flavus is the most economically important because it produces the toxic and carcinogenic aflatoxins. Its non-aflatoxigenic relative A. oryzae is used extensively for food fermentations (Jelinek et al., 1989). It is one of the most abundant soil-borne molds on earth. A. flavus fungus is a saprobe mold that is capable of s...

A major part of Trichoderma antifungal system consists of a number of genes encoding for an astonishing variety of secreted lytic enzymes including; e.g. chitinase, cellulases and β-1,3glucanases. The present work aimed to apply the mutagenesis technique in genetically breeding program of the bioagent Trichoderma viride to enhance three effective hydrolytic enzymes in their biocontrol abilities...

charcoal rot caused by macrophomina phaseolina is an important disease of soybean throughout the world. to understand the spatial distribution of soybean charcoal rot incidence and m. phaseolina populations in golestan province, 172 soybean fields were surveyed for population density, in two successive years, and integrated with geographic information system (gis). each year, 60 fields were als...