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Views: 0 Author: Site Editor Publish Time: 2025-11-11 Origin: Site
In recent years, ' green agriculture ' ' environmentally friendly pesticides ' ' improving pesticide utilization ' have become popular keywords in the agricultural field. Pesticides often face problems such as low utilization rate, large losses, and environmental pollution during field use. The emergence of nanocellulose has brought new solutions to the pesticide industry. As a new functional material with natural origin, degradability and excellent performance, the application of nanocellulose in the field of pesticides is gradually attracting attention and is regarded as an important material direction to promote the greening and efficiency of pesticides.
Nanocellulose ( Nanocellulose ) is a nanoscale material obtained Since its diameter is usually only from natural fiber materials such as plant fiber and bacterial cellulose through mechanical processing, enzymatic or TEMPO oxidation and other technologies. 5–50 nm and has very high specific surface area and reactivity, it has been widely studied and used in pesticide formulations.
Nanocellulose has the following significant advantages:
Advantages and Features | describe | value for pesticides |
High specific surface area | Strong adsorption capacity | Stabilize pesticide ingredients and improve utilization rate |
Excellent dispersion and suspension | Easy to form network structure | Improve the stability of pesticide suspension and reduce sedimentation |
Biodegradable, safe and environmentally friendly | Natural source, non-toxic and harmless | In line with the development trend of green pesticides |
Strong film-forming properties | Pesticide particles can be coated | For pesticide sustained release, controlled release and coating technology |
Good adhesion | Able to adhere to leaves | Enhance the ability of pesticides to resist rain erosion |
With these characteristics, nanocellulose has become an important candidate material for new environmentally friendly pesticide additives。
Traditional pesticides often become ineffective due to volatilization, photodegradation or being washed away by rain after spraying, resulting in pesticide waste. After adding pesticides to nanocellulose, it can significantly improve the adhesion and coverage of the liquid and reduce the loss.
The main functions are as follows:
Enhance the wetting and covering effect of pesticides on the leaf surface
Improve the binding ability of medicinal solution and plants and reduce losses caused by rainwater
Reduce the amount of pesticides used, showing obvious ' pesticide synergy ' effect
In some field trials, adding a small amount of nanocellulose to pesticides can increase pesticide utilization by 20%–50%.。
Pesticide preparations such as suspension agents often encounter problems such as sedimentation, stratification, and particle agglomeration, which affect the use effect.
After adding nanocellulose, it can form a three-dimensional network structure in the system, significantly improving stability:
Inhibit particle sedimentation and extend storage period
Reduce agglomeration and disperse the liquid evenly
Can partially replace synthetic dispersants, making preparations more environmentally friendly
Studies have shown that adding to the suspending agent can significantly improve the sedimentation phenomenon without affecting the activity of the active ingredients.0.2%–0.8% nanocellulose
' Controlled release of pesticides ' is the trend of future agricultural development, which can reduce the number of pesticide applications and reduce pesticide residues.
With its film-forming and porous structure, nanocellulose can be used as a pesticide carrier to achieve slow release. Its characteristics include:
Slow down the release rate of pesticides and prolong the efficacy time
Reduce the risk of drug injury caused by one-time release
Can reduce the number of pesticide applications and reduce costs
The sustained-release system constructed using nanocellulose can extend the efficacy of the drug by 30%-200% , and is more suitable for herbicides, fungicides, insecticides, etc.
Nanocellulose can be used as a bio-based coating material to coat pesticide particles, making pesticides safer, more stable, and easier to store and use.
Coated pesticides have the following advantages:
Reduce irritation and toxicity, improve safety
Avoid rapid evaporation or deactivation of active ingredients
Gradually releases when exposed to water to achieve controlled release
This application is especially suitable for highly irritating pesticides such as organophosphorus and chlorine pesticides.
In a comparative experiment in an orchard, nanocellulose was added as an auxiliary to fungicides for spraying:
Comparison:
project | No nanocellulose used | Use nanocellulose additives |
Liquid adhesion | Easy to slip off and uneven coverage | Uniform film formation and significantly improved adhesion |
Resistance to rain erosion | Re-spraying is required after light rain | The efficacy of the medicine is basically not affected after rain |
Duration of drug effect | About 5–7 days | Extended to 10–14 days |
Pesticide application amount | 100% dose | Can reduce consumption by 20%–30% |
Feedback from fruit growers: After spraying, a thin transparent film forms on the surface of the leaves, which is not easily washed away, and the efficacy is more stable and lasting. Such cases show that nanocellulose not only improves the effectiveness of pesticides, but also reduces pesticide dosage and costs.
Nanocellulose is a naturally derived material, environmentally friendly, non-toxic, and can be naturally degraded. It is an important component of green agricultural materials.
Compared with traditional pesticide auxiliaries, its advantages are very obvious:
More in line with the development trend of green pesticides and sustainable agriculture
Reduce the use of chemical additives and reduce soil and water pollution
Improve pesticide utilization and reduce pesticide residues
In the future, with the strengthening of environmental protection policies and agricultural transformation and upgrading, the market demand for nanocellulose in the field of pesticides will continue to expand.
Overall, the application of nanocellulose in the field of pesticides has obvious advantages in efficiency, environmental protection, safety and sustainable development. Whether used as pesticide additives, suspension stabilization, sustained-release carriers or coating materials, nanocellulose has shown great development potential.
As technology matures and costs decrease, nanocellulose is expected to become an important material for upgrading pesticide formulations, providing a greener solution for reducing agricultural waste and increasing efficiency.
