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Huang F, Chen L, Zeng Y, Dai W, Wu F, Hu Q, Zhou Y, Shi S, Fang L. Unveiling influences of metal-based nanomaterials on wheat growth and physiology: From benefits to detriments. CHEMOSPHERE 2024; 364:143212. [PMID: 39222697 DOI: 10.1016/j.chemosphere.2024.143212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Revised: 08/21/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
Metal-based nanomaterials (MNs) are widely used in agricultural production. However, our current understanding of the overall effects of MNs on crop health is insufficient. A global meta-analysis of 144 studies involving approximately 2000 paired observations was conducted to explore the impacts of MNs on wheat growth and physiology. Our analysis revealed that the MN type plays a key role in influencing wheat growth. Ag MNs had significant negative effects on wheat growth and physiology, whereas Fe, Ti, and Zn MNs significantly increased wheat biomass and photosynthesis. Our study also observed a clear dose-specific effect, with a decrease in wheat shoot biomass with increasing MN concentrations. Meanwhile, MNs with small sizes (<25 nm) have no significant impacts on wheat growth. Furthermore, both the root and foliar applications significantly improved wheat growth, with no considerable differences. Using a machine learning approach, we found that the MN type was the main driving factor affecting wheat shoot biomass, followed by MN dose and size. Overall, wheat growth and physiology can be negatively influenced by specific MNs, for which a high dose and small size should be avoided in practical applications. Therefore, our study can provide insights into the future design and safe use of MNs in agriculture and increase the public acceptance of nano-agriculture.
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Affiliation(s)
- Fengyu Huang
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China; College of Environment and Resource, Xichang University, Xichang, 615000, China
| | - Li Chen
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China; College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China.
| | - Yi Zeng
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China
| | - Wei Dai
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China
| | - Fang Wu
- College of Environment and Resource, Xichang University, Xichang, 615000, China
| | - Qing Hu
- College of Environment and Resource, Xichang University, Xichang, 615000, China
| | - Ying Zhou
- College of Environment and Resource, Xichang University, Xichang, 615000, China
| | - Shunmei Shi
- College of Environment and Resource, Xichang University, Xichang, 615000, China
| | - Linchuan Fang
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China; College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China.
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Rasheed A, Anwar S, Shafiq F, Zaib-Un-Nisa, Khan S, Ashraf M. Physiological and biochemical effects of biochar nanoparticles on spinach exposed to salinity and drought stresses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:14103-14122. [PMID: 38270760 DOI: 10.1007/s11356-024-31953-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 01/06/2024] [Indexed: 01/26/2024]
Abstract
The utilization of nanobiochar in agricultural practices has garnered substantial interest owing to its promising potential. Its nano-size particles possess an enhanced ability to infiltrate plant cells, potentially instigating biochemical and physiological responses that augment stress tolerance. In our study, we aimed to assess the impact and extent of exogenously applied nanobiochar on the growth dynamics and antioxidative responses in Spinacia oleracea L. (spinach) plants subjected to salt stress (50 mM NaCl) and drought stress (maintained at 60% field capacity) compared with respective controls (0 mM NaCl and 100% field capacity). Following a 15-day exposure to stress conditions, nanobiochar solution (at concentrations of 0, 1, 3, and 5% w/v) was sprayed on spinach plants at weekly intervals (at 14, 21, and 28 days after sowing). The foliar application of nanobiochar markedly improved biomass, net assimilation rate, leaf area, and various other growth parameters under drought and salinity stress conditions. Notably, the application of 3% nanobiochar caused the most significant enhancement in growth traits, photosynthetic pigments, and nutrient content, indicating its efficiency in directly supplying nutrients to the foliage. Furthermore, under drought stress conditions, the application of 3% nanobiochar elicited a notable 62% increase in catalase activity, a two-fold rise in peroxidase activity, and a 128% increase in superoxide dismutase activity compared to the control (without nanobiochar). Additionally, nanobiochar application enhanced membrane stability, evidenced by reduced lipid peroxidation and electrolyte leakage. The foliar application of 3% nanobiochar was found as a promising strategy to significantly enhance spinach growth parameters, nutrient assimilation, and antioxidative defense mechanisms, particularly under conditions of drought and salinity stress.
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Affiliation(s)
- Aimun Rasheed
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Sumera Anwar
- Department of Botany, GC Women University Faisalabad, Faisalabad, Pakistan.
| | - Fahad Shafiq
- Department of Botany, GC University Lahore, Lahore, Pakistan
| | - Zaib-Un-Nisa
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Shahbaz Khan
- College of Tropical Crops, Hainan University, Haikou, 570228, People's Republic of China
| | - Muhammad Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
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