نوع مقاله : مقاله کامل پژوهشی
نویسندگان
1 گروه گیاه پزشکی دانشکده کشاورزی دانشگاه جیرفت
2 گروه گیاه پزشکی، دانشکده کشاورزی، دانشگاه جیرفت
3 گروه زیست شناسی دانشکده علوم پایه دانشگاه جیرفت
4 گروه گیاهپزشکی، دانشکده کشاورزی، دانشگاه بیرجند
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Watermelon mosaic virus (Potyvirus citrulli, WMV) is one of the most important viruses infecting cucurbits in the world. In this study, the effect of zinc oxide nanoparticles on the severity of disease symptoms, growth traits, plant pigments, and total sugar in cucumber plants of the Super Dominus cultivar infected with WMV was investigated. ZnO NPs were sprayed on two- to three-leaf seedlings at a concentration of 250 and 500 mg/L twice, 24 hours apart. After 24 hours from the second spray, WMV inoculum was mechanically inoculated into the designed treatment groups. The experiment was conducted as a two-factor factorial (nanoparticles and WMV) in a completely randomized design. One month after the treatments, morphological characteristics, biochemical parameters, and severity of disease symptoms were examined. Based on the results, the virus led to a decrease in growth traits, plant pigments, and total sugar compared to the control. A concentration of 250 mg/L of nanoparticles compared to 500 mg/L in the presence of the pathogen reduced the severity of disease symptoms and improved growth parameters, and plant pigments. Due to the reduction of disease damage and the absence of destructive environmental effects of this nanoparticle, it is a suitable option for the management of WMV. The use of a concentration of 250 mg/L of zinc oxide nanoparticles is recommended to improve the performance of this cucumber variety infected with WMV. This study is the first report of evaluating the effect of zinc oxide nanoparticles in the management of WMV in cucumber plants.
کلیدواژهها [English]
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