Slow-release Zn application through Zn-chitosan nanoparticles in wheat to intensify source activity and sink strength

Kumar, Ashok; Prajapati, Damyanti; Devi, Khaidem Aruna; Pal, Ajay; Choudhary, Urmila; Dashora, Abhay; Choudhary, Jagdish; Harish,; Joshi, Arunabh; Saharan͙, Vinod

doi:10.1016/j.plaphy.2021.10.013

Cited by 15 publications

(13 citation statements)

References 46 publications

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“…Previous studies have revealed the role of increased antioxidant enzyme activity in reducing ROS level in the plants [40,44]. Our findings align with this, as we observed that higher activity of SOD, POD, CAT, and PPO significantly controlled the concentration of H2O2 and O2in tomato pot plants.…”

Section: Discussionsupporting

confidence: 92%

“…Furthermore, a notable shift in peak position is evident, with the peaks moving to 1654 (reflecting -CONH2), 1543 (indicative of -NH2), and 890 cm -1 (associated with the anhydrous glycosidic bond) as compared to bulk chitosan. This observed shift in peak positions provides valuable insight into the interaction dynamics between chitosan and TPP, underscoring the structural alteration in the formation of C-H NF [24,40]. The FTIR analysis of C-H NF revealed a distinctive peak at 1648 cm -1 , corresponding to the C=O group of histidine, indicating an interaction with the -NH2 group of chitosan [13,45].…”

Section: Discussionmentioning

confidence: 84%

“…A lower PDI signifies a homogeneous distribution of particle sizes, preventing the agglomeration of smaller particles into larger ones. The uniformity in nanoparticle sizes is crucial for facilitating facile entry into plant cells through cellular passages and surface openings [40]. Furthermore, maintaining a lower PDI (0.180) not only ensures stability but also augments the overall bioactivity [41,42].…”

Section: Discussionmentioning

confidence: 99%

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A novel histidine functionalized chitosan nanoformulation: Synthesis, characterization and its bioactivity in tomato plant

Meena,

Saharan,

Meena

et al. 2024

Preprint

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The use of novel active ingredients for the functional modification of chitosan nanoformulations has attracted global attention. In this study, chitosan has been functionalized via histidine to craft novel chitosan-histidine nanoformulation (C-H NF) via the ionic gelation method. C-H NF exhibited elite physico-biochemical properties, influencing physiological and biochemical dynamics in tomato crops. Elite properties include homogenous-sized nanoparticles, lower PDI, viscosity, higher zeta potential, nanoparticle concentration/ml, conductivity, encapsulation efficiency, and yield. FTIR spectroscopy revealed histidine interaction with C-H NF, while SEM and TEM exposed its porous structure. Application of C-H NF to tomato seedling and potted plants via seed treatment and foliar spray positively impacts growth parameters, antioxidant-defense enzyme activities, reactive oxygen species (ROS) content, and chlorophyll and nitrogen content. We claim that the histidine-functionalized chitosan nanoformulation enhances physico-biochemical properties, highlighting its potential to elevate biochemical and physiological processes of tomato plant.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 84%

Section: Discussionmentioning

confidence: 99%

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A novel histidine functionalized chitosan nanoformulation: Synthesis, characterization and its bioactivity in tomato plant

Meena,

Saharan,

Meena

et al. 2024

Preprint

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“…For example, if nanomaterials are foliar-sprayed to plants, its effects on sink capacity should be studied. Studies have shown that Zn chitosan nanomaterials significantly increased the accumulation of starch biosynthetic enzymes in wheat grains and thus the yield (by 21%) compared with the control group treated with ZnSO 4 , which further verified that the wheat treated with nanomaterials on the leaf had better sink strength ( Kumar et al, 2021 ). Overall, we believe that nanotechnology can play an important role in sustainable development of agriculture.…”

Section: Discussionmentioning

confidence: 64%

Plant Salinity Stress Response and Nano-Enabled Plant Salt Tolerance

Zhu

Zhao

et al. 2022

Front. Plant Sci.

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The area of salinized land is gradually expanding cross the globe. Salt stress seriously reduces the yield and quality of crops and endangers food supply to meet the demand of the increased population. The mechanisms underlying nano-enabled plant tolerance were discussed, including (1) maintaining ROS homeostasis, (2) improving plant’s ability to exclude Na+ and to retain K+, (3) improving the production of nitric oxide, (4) increasing α-amylase activities to increase soluble sugar content, and (5) decreasing lipoxygenase activities to reduce membrane oxidative damage. The possible commonly employed mechanisms such as alleviating oxidative stress damage and maintaining ion homeostasis were highlighted. Further, the possible role of phytohormones and the molecular mechanisms in nano-enabled plant salt tolerance were discussed. Overall, this review paper aims to help the researchers from different field such as plant science and nanoscience to better understand possible new approaches to address salinity issues in agriculture.

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“…Several studies have shown that, compared to the conventional ZnSO 4 ·7H 2 O fertilizers, foliar-applied ZnO-NPs were more effcicent at increasing grain Zn concentration of wheat and maize ( Subbaiah et al., 2016 ; Zhang et al., 2018 ). In addtion, foliar application of Zn complexed chitosan nanoparticles (Zn-CNPs) resulted in a 26.4% of increase in wheat grain yield and 51.3% increase in wheat grain Zn concentration from 31.0 to 46.9 mg kg –1 ( Kumar et al., 2021 ). Furthemore, foliar spray of Zn-CNPs containing the equivalent of 40 mg Zn kg –1 could enhance grain Zn concentration in wheat by 36%, similar to the level achieved with 400 mg Zn kg –1 applied conventionally an ZnSO 4 ·7H 2 O.…”

Section: Introductionmentioning

confidence: 99%

Biofortification of different maize cultivars with zinc, iron and selenium by foliar fertilizer applications

Xue,

Li,

Yan

et al. 2023

Front. Plant Sci.

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Fertilizer-based biofortification is a strategy for combating worldwide malnutrition of zinc (Zn), iron (Fe) and selenium (Se). Field experiments were conducted to investigate the effects of foliar treatments on concentrations of Zn, Fe, Se, N and bioavailability of Zn and Fe in grains of three maize cultivars grown at three locations. We compared the efficacy of ZnO nanoparticles (ZnO-NPs), Zn complexed chitosan nanoparticles (Zn-CNPs), conventional ZnSO4 and a cocktail solution (containing Zn, Fe and Se). All treatments were foliar-applied at rate of 452 mg Zn L–1, plus urea. Applying ten-fold less Zn (at rate of 45.2 mg Zn L–1) plus urea in the form of ZnO-NPs, Zn-CNPs, or ZnSO4 resulted in no increase, or a negligible increase, in grain Zn concentration compared with deionized water. By contrast, among the different Zn sources plus urea applied by foliar sprays, conventional ZnSO4 was the most efficient in improving grain Zn concentration. Furthermore, foliar application of a cocktail solution effectively improved grain concentrations of Zn, Fe, Se and N simultaneously, without a grain yield trade-off. For example, the average grain concentrations were simultaneously increased from 13.8 to 22.1 mg kg–1 for Zn, from 17.2 to 22.1 mg kg–1for Fe, from 21.4 to 413.5 ug kg–1 for Se and from 13.8 to 14.7 g kg–1 for N by foliar application of a cocktail solution. Because grain yield was significantly negatively correlated with grain nutrient concentrations, the magnitude of increase in grain concentrations of Zn and Fe was most pronounced in the maize cultivar with the lowest grain yield (Zhengdan958 grown in Linyi). Foliar application of a cocktail solution also significantly decreased the phytic acid (PA) concentration, ratios of PA/Fe and PA/Zn in grains, indicating an increased bioavailability of Fe and Zn for human health. In conclusion, we found that a foliar application of a cocktail solution including Zn, Fe, Se and N was most effective for biofortification, but that the grains with the lowest yield contained the greatest concentration of these elements. This finding highlights the need to breed maize varieties that are capable of achieving both high grain yield and high grain nutritional quality to address food security and human health challenges.

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Slow-release Zn application through Zn-chitosan nanoparticles in wheat to intensify source activity and sink strength

Cited by 15 publications

References 46 publications

A novel histidine functionalized chitosan nanoformulation: Synthesis, characterization and its bioactivity in tomato plant

A novel histidine functionalized chitosan nanoformulation: Synthesis, characterization and its bioactivity in tomato plant

Plant Salinity Stress Response and Nano-Enabled Plant Salt Tolerance

Biofortification of different maize cultivars with zinc, iron and selenium by foliar fertilizer applications

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