الملخص
The study of biological effect of Fusarium solani, Alternaria Alternate Aspergillus sp. culture filtrates showed an effect on seed germination, shoot and root length of Wheat, Sesame & Pea after seed soaking with Fusarium solani. Alternaria alternate & Aspergillus sp. culture filtrates for periods, 0,6,12,24 hour, It was also shown that these culture Filtrates have an effect on mycelium growth & spores germinationof Fusariurn solani, Alternaria alternate & Aspergillussp. at concentrations of 0,5,10,50%.