Evaluation of chitosan nanoparticles effects with two application methods on wheat under drought stress

Chitosan and its components have beneficial effects on a wide variety of plant species. Yet, their effects on wheat plants under drought stress are not well known. So, a field experiment was laid out in order to evaluate the effect of chitosan nanoparticles (NPs) on wheat. The wheat seeds were sown...

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Bibliographic Details
Published in:Journal of plant nutrition 2019-08, Vol.42 (13), p.1439-1451
Main Authors: Behboudi, Faride, Tahmasebi-Sarvestani, Zeinolabedin, Kassaee, Mohammad Zaman, Modarres-Sanavy, Seyed Ali Mohammad, Sorooshzadeh, Ali, Mokhtassi-Bidgoli, Ali
Format: Article
Language:English
Subjects:
biomass
Catalase
Chitosan
Chlorophyll
Drought
Elongation
Foliar applications
Leaf area
Moisture content
Nanoparticles
Photosynthesis
Plant growth
Seeds
Stress
Superoxide dismutase
Water content
Wheat
yield
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Summary:Chitosan and its components have beneficial effects on a wide variety of plant species. Yet, their effects on wheat plants under drought stress are not well known. So, a field experiment was laid out in order to evaluate the effect of chitosan nanoparticles (NPs) on wheat. The wheat seeds were sown in plots. Then, the chitosan NPs were added to them through soil and foliar application at tillering, stem elongation, and heading stages. Results indicated that the drought stress significantly decreased majority of the studied traits compared to the normal irrigation. Application of the NPs especially 90 ppm increased leaf area (LA), relative water content (RWC), chlorophyll content, photosynthesis rate, catalase (CAT), and superoxide dismutase (SOD) activities, yield, and biomass compared to the control. Finally, our results highlight that usage of the chitosan NPs especially 90 ppm can mitigate adverse effects of drought in the wheat under drought stress.
ISSN:0190-4167
1532-4087
DOI:10.1080/01904167.2019.1617308