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Abstract
Nanotechnology has developed into one of the most valued fields of sciences in the current century owing to the introduction of revolutionary changes in several disciplines of sciences. A key product of nanotechnology, i.e., nanoparticles (NPs) are abundantly used in modern research due to their novel applications. Orange peel contains vital nutrients that can be recycled into valuable material used for different purposes. In this study, we synthesized nano fertilizer from orange peel and tested its potential for promoting the growth of Vigna radiata and reducing the population of root rot pathogens. Nano-fertilizer extract was subjected to physical and chemical analyses for characterization. Transmission electron microscopy indicated spherical nanoparticles with sizes ranging between 18.22nm and 61.05nm. While the X-Ray diffraction analysis the peaks were observed at 2ɵ value of 19.830, 20.550, 21.240, 24.440, 27.330 and 29.770 which represented the similarity with urea slandered peak. The Synthesized nano-fertilizers contained phenols, steroids, triterpenes and xanthoproteins. In a screen house experiment, the nano fertilizer extract was administered to the seeds of Vigna radiata. The research demonstrated that increasing the dose of orange peel extract enhanced germination percentage by positively influencing plant growth characteristics. Meanwhile, a high concentration of orange peel amendment successfully reduced the colonization and infection percentage of root rotting pathogens when compared to the positive and negative controls.
Highlights
Orange (Citrus sinensis) is a delicious, juicy fruit from the Rutaceae family
Orange peel is the source of important compounds such as sugars and many acids that cause alteration in the soil acidity and influence photosynthesis and other processes of plant growth
In this study, orange peel extract was prepared from dried orange peel powder and analyzed through phytochemical screening, showing the existence of different phytoactive compounds
Summary
Orange (Citrus sinensis) is a delicious, juicy fruit from the Rutaceae family. It is one of the world's most widely grown fruit crops, having significant commercial applications in food, pharmaceutical preparations, perfumes, and cosmetics due to the presence of essential oils in its peel (flavedo) (Farahmandfar et al, 2020). The extract of orange peel can be applied to the cotton plant in order to improve its functional properties such as antimicrobial activity (Wolela, 2020), UV protection (Hou et al, 2013), and mosquito repellent properties. These days chemical and biological processes are the most frequent methods for making nanomaterials. It was determined that by increasing the availability of nano/micronutrients, the plant can be protected from deficiency of nutrients, illnesses, and abiotic and biotic stress This aids in the improvement of the quality of agricultural crops and attaining a higher quality of food for both human and animals use. The aim of our present research was to investigate the presence of nanoparticles in orange peels and utilized it to increase the germination% and enhance the growth of Vigna radiata plants by reducing the infection % of root rooting fungi
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