Abstract:
Recently, Iraq has imported large numbers of tissue culture date palm ofshoots from diferent countries. It is to build new orchards of date palm trees or plant them with the old orchards and some of them in the home's gardens. As a result of the widespread of many symptoms associated with these ofshoots, this study was conducted in Basra Governorate, Iraq. To examine the capability of silver nanoparticles in controlling pathogens. The 36 fungi species were isolated from the shoot system of tissue culture date palm ofshoots. Alternaria sp. was recorded at a high frequency compared to the Cladosporium spp. and Ulocladium spp. Neodieghtonia phoenicum, Scytalidium lignicola, and Neoscytalidium dimidiatum caused black scorch. Moreover, Phoma costarricensis has been recorded as causing the leaf spot disease. The roots infected by wilt disease have shown three various fungi, Fusarium solani, Fusarium proliferatum, and Fusarium fujikuroi. The study also illustrated that silver nanoparticles possessed a high ability to inhibit fungi growth in the laboratory
Keywords:
wilt disease
,
silver nanoparticle
,
leaf spot
,
black scorch