Journal
NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE
Volume 51, Issue 3, Pages 297-327Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/01140671.2021.2016870
Keywords
Nanoparticles; salinity; drought; plant growth; tolerance mechanisms
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Human activities have caused various changes in the environment worldwide, leading to complex challenges for all living things. Salinity and drought, among other abiotic stresses, result in significant crop yield losses and food insecurity. Plants have evolved physiological, biochemical, and molecular mechanisms to combat these stresses. The use of nanoparticles shows promise in enhancing plant performance under stress conditions by delivering nutrients, fighting diseases and pathogens, and monitoring soil elements. This review highlights how nanoparticles can mitigate the negative impacts of salinity or drought stress on plants, potentially improving crop yield, production, and quality in the face of changing environmental challenges.
Human activities all over the world cause many changes in the environment. These changes resulted in more complicated challenges facing all living things on earth. Among these challenges are abiotic stresses, particularly salinity and drought, which contribute to the huge crops yield loss around the world, thereby leading to food insecurity issues. Plants combat these adverse abiotic stress impacts via evolving a variety of physiological, biochemical and molecular mechanisms. Tremendous promising techniques are being used to enhance plant abiotic stress tolerance, including the applications of nanoparticles, which are thought to enhance plant performance under stress conditions. Nanoparticles are being used to deliver nutrients to plants, overcome plant diseases and pathogens and to sense and monitor trace elements present in soil. In this review, a glimpse of how nanoparticles could mitigate the negative impacts of salinity or drought stress on plants at the physiological, biochemical and molecular levels is elucidated and discussed. Understanding the underlying mechanisms of nanoparticles in abiotic stress tolerance will open the doors for further improvements in the yield, production and quality of main crops facing the changing environmental challenges.
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