الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
The Present Investigation Is Conducted To Study The Following: I)The Soil Fungi Associated With Some Soybean Root-Rot Diseases And Their Pathogenicities. 2)The Effect Of Some Recent Fungicides On Growth Of Pathogenic Fungi. 3)The Effect Of Some Seed Dressing On Host-Pathogen Interaction. 4) Effects Of These Fungicides On Root Nodulation That Might Be Adversely Affected By The Seed Treatment Process. Three Fungi, Rhizoctonia Solani Keuhn, Macrophomina Phaseolina (Tassi.)Goid. And Fusarium Semitectum Berk.Et Rav. Are Isolated And Identified From The Diseased Roots Which Are Obtained From El-Sharkia And Kalyubia Governorates.