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Individual Effects of High Temperature and Tropospheric Ozone on Tomato: A Review

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Abstract

Rising tropospheric ozone (O3) and temperature, the two most important stresses caused due to climate change. Both stresses have now become foremost concerns for production of tomato worldwide due to their role in immensely afflicting productivity. These stresses have been found to occur concomitantly, and tomato is very sensitive to both heat stress and elevated O3. This paper reviews the individual effects of high temperature and elevated O3 on the overall performance of tomato and the defense strategies responsible for varying sensitivities among the genotypes. High temperature influences photosynthesis directly, and Fv/Fm ratio was widely used in identifying the sensitivity of tomato cultivars. It also affects pollen viability and germination, which ultimately results in the decline of fruit set and yield. Phytohormones are crucial for reducing the negative impacts of high temperature on tomato. Besides, several heat-shock proteins and factors and stress-regulated genes were upregulated in tomato under heat stress. An increase in surface O3 level causes reductions in photosynthesis, biomass accumulation, pollen viability, fruit quality, and yield. Various molecular and physiological processes deployed during elevated O3 conditions are believed to be intervened by signaling molecules like ethylene and jasmonic acid. The review concludes that responses of tomato to both the stresses are somewhat similar, but their nature and effects may vary with intensity and duration of stresses, genotypes, and other environmental factors. Since these stresses occur simultaneously, their combined effects need to be understood to avoid the yield losses under future scenarios of climate change.

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Fig. 1

modified from De Jong et al. 2009; Castroverde and Dina 2021)

Fig. 2

Modified from Tamaoki 2008)

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Acknowledgements

The authors are thankful to the Head, Department of Botany, and the Co-ordinator, Institute of Eminence and ISLS, Banaras Hindu University for providing necessary facilities for conducting a systematic literature review.

Funding

This work was supported by University Grants Commission (UGC), New Delhi, India, for providing financial support in the form of UGC-JRF (UGC- Ref.No.: 1042/ CSIR-UGC NET JUNE 2019).

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Akanksha Gupta: Conceptualization, visualization, writing original draft. Durgesh Singh Yadav: Writing – Review and Editing, visualization. Shashi Bhushan Agrawal: Visualization, Writing – Review and Editing. Madhoolika Agrawal: Writing – Review and Editing and Supervision. All authors read and approved the final manuscript.

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Correspondence to Madhoolika Agrawal.

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The authors declare that they have no competing interests.

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Handling Editor: Saddam Hussain.

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Gupta, A., Yadav, D.S., Agrawal, S.B. et al. Individual Effects of High Temperature and Tropospheric Ozone on Tomato: A Review. J Plant Growth Regul 42, 1421–1443 (2023). https://doi.org/10.1007/s00344-022-10678-2

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  • DOI: https://doi.org/10.1007/s00344-022-10678-2

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