Nanomaterials in Plant Protection

Mazzaglia, A.; Fortunati, Elena; Kenny, José María; Torre, Luigi; Balestra, Giorgio Mariano

doi:10.1002/9783527697724.ch7

Cited by 26 publications

(30 citation statements)

References 64 publications

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“…So, as a result of an increase of reports on environmental contamination, toxic effects on biota and plant pathogen and pest resistance by chemical pesticides, new agrochemicals characterized by improved formulations and new delivery mechanisms will be developed. In particular, a new era of agrochemicals appears to be related to the use of biodegradable nanoscaled materials as a vehicle to active ingredients (AIs) characterized by antimicrobial activity as biopesticides …”

Section: Ecofriendly Considerations For a New Agrochemical Eramentioning

confidence: 99%

“…To meet consumer demands for more natural products and for active packaging materials with a low environmental impact, extracts and EOs from many spices, plants and fruits have been recognized as potential antimicrobial or antioxidant agents, such as thymol or carvacrol . These compounds are regarded as natural alternatives to conventional synthetic additives (some of them under controversies by their potential toxicity to human health) and they present a GRAS status (generally recognized as safe) as defined by the US Food and Drug Administration . EOs and secondary metabolites of plants contain large amounts of active compounds, such as phenolic acids, and flavonoids, such as quercetin, which provide strong antimicrobial or antioxidant properties and low toxicity compared to those from synthetic substances.…”

Section: Sustainable Food Protection: Natural Sources Bioplastics Nmentioning

confidence: 99%

“…The broad range of applications in agriculture also includes nanomaterials, possibly bio‐based and/or biodegradable, to control plant pathogens. Moreover, nanotechnology has the potential to conceive products based on environmentally friendly natural materials that can also be obtained from natural bio‐waste . In this scenario, lignocellulosic materials are the most promising feedstock in terms of natural and renewable resources essential to the functioning of modern industrial society.…”

Section: Introductionmentioning

confidence: 99%

“…This applies particularly to fruit and vegetables, which are often consumed fresh without prior processing. 2,3 Worldwide policies seek to reduce the reliance on pesticides for crop protection through the design and implementation of more integrated approaches and restrictions on the use of several active substances currently used in pesticides. The worldwide consumption of pesticides is approximately 2 million tons per year, of which 45% is used by Europe alone, 25% is consumed in the USA and 25% is shared by the rest of the world.…”

Section: Introductionmentioning

confidence: 99%

“…However, this is in contrast to the nanomaterial concept that might be working well in well-knit factory-based production. 2,3 Nanotechnology design and development are usually represented by two different approaches: top-down and bottom-up. Top-down refers to making nanoscale structures from smallest structures by machining, templating and lithographic techniques, whereas bottom-up approach refers to self-assembly or self-organization at molecular level, which are applicable in several biological processes.…”

Section: Introductionmentioning

confidence: 99%

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Sustainable control strategies for plant protection and food packaging sectors by natural substances and novel nanotechnological approaches

2018

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An overview is provided of the current technological strategies (also at the nanoscale level) recently involved in plant and/or food protection. In addition, the potential use of natural and sustainable substances, instead of traditional synthesized molecules or chemical-based compounds, is addressed both with respect to packaging systems and novel pesticide formulations. In this context, nanotechnological approaches represent promising strategies for the entire agriculture industry chain, from the field to consumers. Traditional plant protection strategies are often insufficient and the application of chemical-based pesticides has negative effects on animals, humans and the environment. Novel greener tools could represent efficient alternatives for the management of plant diseases using promising strategies; the use of nanotechnologies allows the promotion of the more efficient assembly and subsequent release of environmentally sustainable active principles, limiting the use of chemicals in terms of economic losses. At the same time, new sustainable, antimicrobial and antioxidant systems have been rapidly promoted and investigated in the food packaging sector as a valid eco-friendly possibility for improving the safety and quality of food products and reducing and/or limiting the environmental impact with respect to traditional materials. Together, the scientific community and the growing interest of consumers have promoted the development of new edible and eco-friendly packaging that reduces waste and any environmental impact. In this context, the aim is to provide evidence of the usefulness of strategies aiming to limit agrochemicals, as well as the potential of nanomaterials, in sustainable plant and food protection for agriculture management and the packaging sector. © 2018 Society of Chemical Industry.

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Section: Ecofriendly Considerations For a New Agrochemical Eramentioning

confidence: 99%

Section: Sustainable Food Protection: Natural Sources Bioplastics Nmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Sustainable control strategies for plant protection and food packaging sectors by natural substances and novel nanotechnological approaches

2018

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How Eco‐friendly Nanomaterials are Effective for the Sustainability of the Environment

Kumar,

Sharma,

Chakravarty

et al. 2024

Green Synthesis of Nanomaterials

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Comparing the antibacterial activity of chitin nanocrystals with chitin: exploring the feasibility of chitin nanocrystals as novel pesticide nanocarriers in agriculture

Xiang,

Zhang,

Cao

et al. 2023

Pest Management Science

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BACKGROUNDIn recent years, nanomaterials‐based pesticide carriers have garnered significant attention and sparked extensive research. However, most studies have primarily focused on investigating the impact of physical properties of nanomaterials, such as size and modifiable sites, on drug delivery efficiency of nano‐pesticides. The limited exploration of biologically active nanomaterials poses a significant obstacle to the advancement and widespread adoption of nano‐pesticides. In this study, we prepared chitin nanocrystals (ChNC) based on acid hydrolysis and systematically investigated the differences between nano‐ and normal chitin against plant bacteria (Pseudomonas syringae pv. tabaci). The primary objective was to seek out nanocarriers with heightened biological activity for the synthesis of nano‐pesticides.RESULTSZeta potential analysis, Fourier Transform infrared spectrometry (FTIR), X‐Ray diffraction (XRD), Atomic force microscopy (AFM) and Transmission electron microscopy (TEM) identified the successful synthesis of ChNC. ChNC showcased remarkable bactericidal activity at comparable concentrations, surpassing that of chitin, particularly in its ability to inhibit bacterial biofilm formation. Furthermore, ChNC displayed heightened effectiveness in disrupting bacterial cell membranes, resulting in the leakage of bacterial cell contents, structural DNA damage, and impairment of DNA replication. Lastly, potting experiments revealed that ChNC is notably more effective in inhibiting the spread and propagation of bacteria on plant leaves.CONCLUSIONChNC exhibited higher antibacterial activity compared to chitin, enabling efficient control of plant bacterial diseases through enhanced interaction with bacteria. These findings offer compelling evidence of ChNC's superior bacterial inhibition capabilities, underscoring its potential as a promising nanocarrier for nano‐pesticide research.This article is protected by copyright. All rights reserved.

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Nanomaterials in Plant Protection

Cited by 26 publications

References 64 publications

Sustainable control strategies for plant protection and food packaging sectors by natural substances and novel nanotechnological approaches

Sustainable control strategies for plant protection and food packaging sectors by natural substances and novel nanotechnological approaches

How Eco‐friendly Nanomaterials are Effective for the Sustainability of the Environment

Comparing the antibacterial activity of chitin nanocrystals with chitin: exploring the feasibility of chitin nanocrystals as novel pesticide nanocarriers in agriculture

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