Silica nanoparticles mediated insect pest management

Saw, Gouranga; Nagdev, Priyanka; Jeer, Mallikarjuna; Murali-Baskaran, R.K.

doi:10.1016/j.pestbp.2023.105524

Cited by 15 publications

(6 citation statements)

References 155 publications

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“…Silica nanoparticles offer a variety of bene ts over bulk silicon sources for use in managing insect pests. SiNPs can act as a carrier for the pesticide to be delivered in a controlled release or as an insecticide to kill the targeted pest insects (Saw et al, 2023). These ndings align with many other studies that have used SiNPs as insecticide carriers to boost their potency.…”

Section: Discussionsupporting

confidence: 76%

Combating fall armyworm (Spodoptera frugiperda) with moringa-synthesized silica nanoparticles and its combination with some insecticides

Elnabi,

Badawy

2024

Preprint

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The fall armyworm (Spodoptera frugiperda) is a major agricultural pest known for developing resistance to insecticides. This study investigated a novel approach to manage the fall armyworm by silica nanoparticles (SiNPs) synthesized from eco-friendly Moringa oleifera leaf extract. This green synthesis method offers a sustainable and potentially safer alternative to traditional chemical processes. SiNPs formation was confirmed by various techniques: UV–visible spectrophotometer, X-ray spectroscopy with energy dispersive (EDX), scanning electron microscopy (SEM), and dynamic light scattering (DLS). The effectiveness of SiNPs alone and its combination with three common insecticides (emamectin benzoate, indoxacarb, and chlorpyrifos) were evaluated against third instar larvae of fall armyworm. While, SiNPs after 24 h by leaf dipping method recorded limited insecticidal activity (LC50 = 9947.59 mg/L), it significantly enhanced the potency of all three insecticides. Combining SiNPs with emamectin benzoate resulted in the most dramatic increase in effectiveness compared to the insecticide alone with LC50 = 0.295 mg/L and 0.42 mg/L, respectively. This research suggests that moringa extract can be a valuable resource for the green synthesis of nanoparticles potentially useful in pest control. This approach could potentially reduce the amount of insecticide needed for effective pest control, leading to a more sustainable and environmentally friendly agricultural practice.

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Section: Discussionsupporting

confidence: 76%

Combating fall armyworm (Spodoptera frugiperda) with moringa-synthesized silica nanoparticles and its combination with some insecticides

Elnabi,

Badawy

2024

Preprint

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“…Many research investigations have presented compelling ndings that underscore the essential role of Silicon (Si) in mitigating the effects of biotic stresses in a diverse array of crops [8,63,71]. In this particular investigation, the study proved the considerable impact of Si (OSA) application, both through soil and foliar methods, on the population of sap-feeding insects in black gram crop under eld conditions.…”

Section: Discussionmentioning

confidence: 88%

Cultivars and method of application influences the effect of silicon on incidence and damage of phloem feeders, induction of defense reaction, attraction of natural enemies and yield in black gram (Vigna mungo L.)

Saw,

Nagabovanalli,

Jeer

et al. 2024

Preprint

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Silicon, a quasi-essential nutrient element, is well known for imparting tolerance to various biotic and abiotic stresses in crops. The present studies were carried out to evaluate the effect of silicon with two methods of application viz., soil drenching and foliar application against phloem feeders under field conditions for two seasons on two different black gram cultivars. Among the cultivars, Vikral responded better to silicon treatment (orthosilicic acid) than Pratap Urd 1 with reference to in reduction of population of phloem feeders and enhancement of defence enzyme activity, silicon uptake, total sugars and total phenols and yield in both the seasons. Among the application methods, soil drenching (2 mLL− 1 of OSA) proved to be the superior method of administration to record significantly low population of phloem feeders, increased activity of defence enzymes and total sugars, total phenols content, improved activity of coccinellids and yield in both the seasons. However, it holds good with foliar application (2 mLL− 1 of OSA) method. Both silicon application methods of OSA were significantly superior than insecticidal check and untreated control treatments. Deposition of Si was the highest in the leaves of black gram (1.541%) when OSA was administered through soil than foliar (1.451%) and untreated control (0.891% endogenously available Si). Highest benefit: cost ratio recorded in soil drenching of OSA @ 2 mLL− 1 (1.88 and 1.93) surpassed BC ratio of recommended insecticidal check (1.65 and 1.72) during winter and summer seasons, respectively. Both the application methods of OSA proved significantly superior over insecticidal check with respect to management of phloem feeders in black gram including enhanced grain yield, coccinellids activity and induced biochemical defence as well as lowest cost of cultivation, which can be easily incorporated with other practices for eco-friendly, sustainable management of phloem feeders in black gram.

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“…In addition to the direct pesticidal effects, SiNPs treatment with seed priming and foliar application can enhance seed germination, and plant growth and yield under different biotic stresses ( Figure 4 ; Naidu et al., 2023 ; Saw et al., 2023 ). Seed priming with SiNPs is an effective agronomic approach in enhancing seed germination and plant growth under the infection of pathogens.…”

Section: Sinps and Biotic Stressmentioning

confidence: 99%

Silicon nanoparticles in sustainable agriculture: synthesis, absorption, and plant stress alleviation

Yan,

Huang,

Zhao

et al. 2024

Front. Plant Sci.

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Silicon (Si) is a widely recognized beneficial element in plants. With the emergence of nanotechnology in agriculture, silicon nanoparticles (SiNPs) demonstrate promising applicability in sustainable agriculture. Particularly, the application of SiNPs has proven to be a high-efficiency and cost-effective strategy for protecting plant against various biotic and abiotic stresses such as insect pests, pathogen diseases, metal stress, drought stress, and salt stress. To date, rapid progress has been made in unveiling the multiple functions and related mechanisms of SiNPs in promoting the sustainability of agricultural production in the recent decade, while a comprehensive summary is still lacking. Here, the review provides an up-to-date overview of the synthesis, uptake and translocation, and application of SiNPs in alleviating stresses aiming for the reasonable usage of SiNPs in nano-enabled agriculture. The major points are listed as following: (1) SiNPs can be synthesized by using physical, chemical, and biological (green synthesis) approaches, while green synthesis using agricultural wastes as raw materials is more suitable for large-scale production and recycling agriculture. (2) The uptake and translocation of SiNPs in plants differs significantly from that of Si, which is determined by plant factors and the properties of SiNPs. (3) Under stressful conditions, SiNPs can regulate plant stress acclimation at morphological, physiological, and molecular levels as growth stimulator; as well as deliver pesticides and plant growth regulating chemicals as nanocarrier, thereby enhancing plant growth and yield. (4) Several key issues deserve further investigation including effective approaches of SiNPs synthesis and modification, molecular basis of SiNPs-induced plant stress resistance, and systematic effects of SiNPs on agricultural ecosystem.

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Silica nanoparticles mediated insect pest management

Cited by 15 publications

References 155 publications

Combating fall armyworm (Spodoptera frugiperda) with moringa-synthesized silica nanoparticles and its combination with some insecticides

Combating fall armyworm (Spodoptera frugiperda) with moringa-synthesized silica nanoparticles and its combination with some insecticides

Cultivars and method of application influences the effect of silicon on incidence and damage of phloem feeders, induction of defense reaction, attraction of natural enemies and yield in black gram (Vigna mungo L.)

Silicon nanoparticles in sustainable agriculture: synthesis, absorption, and plant stress alleviation

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