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Role of nanosilicab to boost the activities of metabolites in Triticum aestivum facing drought stress

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Abstract

Aims

This study was designed to assess the effect of nanosilicab fertilizer on Triticum aestivum under drought stress.

Methods

The plants were grown in pots having the soil incubated with SiO2 NPs, biofertilizer and nanosilicab. The experimental design was completely randomized design and drought stress was applied at stem elongation stage. Plants were maintained in the pots till the collection of yield.

Results

Nanosilicab enhanced the germination percentage, germination index, and germination vigor index by 23.07%, 14.49%, and 93.10% under control and 14.42%, 10.52%, and 46.15% under drought stress. In the pot experiment, the soil was treated with 150 mg/kg silicon dioxide nanoparticles (SiO2), 1% biofertilizer and, 1% nanosilicab before sowing. Nanosilicab increased shoot length and root length by 34.77%, and 16.88% under control and 30.58%, and 21.56% under stress conditions, respectively. It also increased photosynthetic pigments, osmolytes content, relative water content, membrane stability index, phenol, and flavonoid content. The increase in antioxidant activity was significant by the application of nanosilicab i.e. the augmentation in catalase, peroxidase, and superoxide dismutase was 68.65%, 83.69%, and 85.99%, respectively. It also increased indole acetic acid and cytokinin by 22.28% and 14.79% in comparison to control. The improvement in hundred-grain weight and grains per spike by the use of nanosilicab was 36.25%, and 38.76% under control, and 27.47%, and 22.59% under stress conditions.

Conclusion

The positive effect of nanosilicab on the roots of the plants improved the growth of plants significantly and this fertilizer showed potential for application on crops.

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Correspondence to Noshin Ilyas.

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Responsible Editor: Martin J. Hodson.

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Akhtar, N., Ilyas, N. Role of nanosilicab to boost the activities of metabolites in Triticum aestivum facing drought stress. Plant Soil 477, 99–115 (2022). https://doi.org/10.1007/s11104-021-05285-1

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  • DOI: https://doi.org/10.1007/s11104-021-05285-1

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