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Foliar application of nanoparticles: mechanisms of absorption, transfer, and multiple impacts
Environmental Science: Nano ( IF 7.3 ) Pub Date : 2021-3-30 , DOI: 10.1039/d0en01129k
Jie Hong 1, 2, 3, 4 , Chao Wang 1, 2, 3, 4 , Dane C. Wagner 5, 6, 7, 8 , Jorge L. Gardea-Torresdey 8, 9, 10, 11 , Feng He 1, 2, 3, 4 , Cyren M. Rico 5, 6, 7, 8
Affiliation  

Foliar spray of engineered nanoparticles (NPs) as nanofertilizers, nanopesticides, nanosensors, and nanocarriers is increasingly being employed in the agricultural industry. Foliar spraying of NPs improves the effectiveness of plant protection technologies compared to traditional soil–root application. Foliar-sprayed NPs mainly enter the leaves through stomata and are transported to different plant parts via apoplastic and symplastic pathways. Foliar NPs enhance defenses and resistance against pests and diseases and improve the yield and quality of crops. However, the mechanisms of damage caused by foliar NPs need further elucidation. Moreover, important factors limiting foliage uptake of NPs such as wax deposits on leaf surfaces, environmental factors (e.g., light, temperature, and humidity), and physical and chemical properties of NPs should be investigated to further improve this technology.

中文翻译:

纳米颗粒的叶面应用:吸收,转移和多重影响的机制

工程纳米颗粒(NPs)的叶面喷洒作为纳米肥料,纳米农药,纳米传感器和纳米载体正在农业中得到越来越多的应用。与传统的土壤根系施用相比,叶面喷施NP可以提高植物保护技术的有效性。叶面喷洒的NP主要通过气孔进入叶片,并通过质外和共生途径转运到不同的植物部位。叶面NP增强了对病虫害的防御和抵抗力,并提高了作物的产量和质量。但是,由叶面NP引起的损伤机制需要进一步阐明。此外,限制NP吸收树叶的重要因素,例如叶片表面的蜡沉积,环境因素(例如,光,温度和湿度)以及NP的物理和化学性质,以进一步改进该技术。
更新日期:2021-04-20
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