The Effect of Iodine on Rocket (Eruca sativa L.) Plant Under Salt Stress

Hande Dizkara; Ertan Yıldırım; Melek Ekinci

doi:10.56430/japro.1746259

EN

The Effect of Iodine on Rocket (Eruca sativa L.) Plant Under Salt Stress

Abstract

The main objective of this study was to investigate how iodine biofortification (potassium iodate (KIO3)) applied to rocket affects the physiological and biochemical responses of the plant under salt stress. Rocket (Eruca sativa L.) seeds were used as material and the applications were started when the seeds germinated and the plants had 2-3 leaves. 50 (T1) and 100 (T2) µM KIO3 applications were applied to the leaves of the plants by spraying and also by irrigation to the soil. Salt stress was applied by applying water prepared with 100 mM NaCl to the plant as irrigation from the soil. The effects of the applications on some plant morphological and physiological properties were investigated. In the study, salinity significantly reduced plant growth and development in rocket. Iodine application alleviated this damage and supported growth in rocket against salt stress. The plant height, stem diameter, leaf number and leaf area decreased by 29%, 27%, 22% and 56%, respectively, under salt stress, while iodine applications reduced this decrease. Electrical conductivity (EC) increased with salinity, while leaf water relative content (LRWC) decreased in rocket. This effect of salt was low in iodine application. Plant fresh weight, root fresh weight, plant dry weight and root dry weight decreased by 55%, 13%, 20% and 10% in the control group with salinity, and iodine application mitigated this decrease. The chlorophyll content, root fresh and dry weight of plants, especially those under salt stress, increased with iodine application. Hydrogen peroxide (H2O2), malondialdehyde (MDA), proline, sucrose and antioxidant enzyme activities, which increased with salinity, also increased with iodine application. Iodine supports plant development and is also effective in salt stress tolerance of rocket plants.

Keywords

Biofortification , Iodine , Rocket , Salinity

References

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Details

Primary Language

English

Subjects

Vegetable Growing and Treatment

Journal Section

Research Article

Authors

Hande Dizkara
0009-0004-9765-9502
Türkiye

Ertan Yıldırım
0000-0003-3369-0645
Türkiye

Melek Ekinci ^*
0000-0002-7604-3803
Türkiye

Publication Date

September 30, 2025

Submission Date

July 19, 2025

Acceptance Date

August 11, 2025

Published in Issue

Year 2025 Volume: 6 Number: 3

DOI

https://doi.org/10.56430/japro.1746259

IZ

https://izlik.org/JA47DK45NX

APA

Dizkara, H., Yıldırım, E., & Ekinci, M. (2025). The Effect of Iodine on Rocket (Eruca sativa L.) Plant Under Salt Stress. Journal of Agricultural Production, 6(3), 148-156. https://doi.org/10.56430/japro.1746259

The Effect of Iodine on Rocket (Eruca sativa L.) Plant Under Salt Stress

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The Effect of Iodine on Rocket (Eruca sativa L.) Plant Under Salt Stress

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Primary Language

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Submission Date

Acceptance Date

Published in Issue

DOI

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