Study Influence of Silver Nanoparticles on Growth Rate of Plant Pathogens: Rhizoctonia Solani, Alternaria Alternata, Fusarium Solani, Fusarium Oxysporum, Aspergillus Terreus, Aspergillus Parasiticus, and Bio Agent Trichoderma Harzianum. JUBPAS 2018, 26 (5), 26-35.