Iodine: an emerging biostimulant of growth and stress responses in plants

Riyazuddin, Riyazuddin; Singh, Kalpita; Iqbal, Nadeem; Nisha, Nisha; Rani, Anita; Kumar, Manu; Khatri, Nisha; Siddiqui, Manzher H.; Yasheshwar, None; Kim, Sun Tae; Attila, Fehér; Gupta, Ravi

doi:10.1007/s11104-022-05750-5

Cited by 9 publications

(13 citation statements)

References 72 publications

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“…Our results confirm previous studies showing that I in low concentrations improves plant yield (Duborská et al, 2020). Such positive impact has been observed from modulation in gene expression to being a structural part of several proteins (Kiferle et al, 2021), as well as contributing in improving chlorophyll concentration, detoxification and maintenance of homeostasis of reactive oxygen species under normal or stressful environmental conditions (Riyazuddin et al, 2022); however I in high concentrations decreases yield since at high concentrations it can become toxic to the plant (Incrocci, 2019), because it reduces CO2 assimilation by reducing leaf size, stomatal conductance and photosynthetic pigment content (Kiferle et al, 2019). Therefore, the beneficial effects of I depend on the concentration, source used, duration of exposure, type of application and the plant species used (Gonzali et al, 2017).…”

Section: Resultssupporting

confidence: 91%

“…These results are in agreement with previous studies reporting increases in non-enzymatic antioxidant content by the use of I (Consentino et al, 2022;Garcia-Fuentes et al, 2022;Maglione et al, 2022).The response of plants to I depends on the concentration and chemical species used and can range from an increase in development and productivity to a stressful condition or toxicity (Riyazuddin et al, 2022), in our case we believe it was a stressful condition due to a decrease in yield (Table 1) and an increase in non-enzymatic antioxidants, with the aim of preventing oxidative damage to the plant (Gonzali et al, 2017;Kiferle et al, 2019). Table 3.…”

Section: Non-enzymatic Antioxidantssupporting

confidence: 93%

“…Yield and its components I is not considered essential for terrestrial plants, which is why it is not included in normal fertilization programs; however, it has been shown that I can act as a biostimulant and cause positive effects on crop growth, development and productivity (Riyazuddin et al, 2022;Nascimiento et al, 2022). In the current investigation, it was found that foliar spraying of I modified yield and its components (Table 1).…”

Section: Resultsmentioning

confidence: 99%

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Iodine application in Vitis vinifera L. cv. ‘Cabernet Sauvignon’ improve bioactive compounds and enzymatic activity in berries

RAMÍREZ-GOTTFRIED

FORTIS-HERNÁNDEZ²,

GONZÁLEZ-AVALOS³

et al. 2023

Not Bot Horti Agrobo

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Iodine (I) deficiency disorders represent a worldwide public health problem, with at least 1.9 million people estimated to have an unsatisfactory intake of this trace element. I content in plant foods is particularly low; however, it can be improved by biofortification. In this study, the effect of foliar fertilization with I (0, 0.25, 0.5, 0.75, 1.0, and 1.25 mg L-1) on yield, bioactive compound content, and bioaccumulation in grapevine berries was evaluated. Biofortification with I has positively modified yield, bioactive compound content and bioaccumulation. Intermediate doses (0.75 mg L-1) increased yield (57%), while high doses (1.25 mg L-1) decreased yield (28%) and incremented the phenols, flavonoids, antioxidant capacity, vitamin C, anthocyanin (50,34,31,71,26% respectively), catalase (73%) and peroxidase activity (57%), and their bioaccumulation in berries (59%). Agronomic biofortification with I is an alternative to increase yield, enzymatic and non-enzymatic antioxidants, as well as the concentration of this trace element in grape berries.

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Section: Resultssupporting

confidence: 91%

Section: Non-enzymatic Antioxidantssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Iodine application in Vitis vinifera L. cv. ‘Cabernet Sauvignon’ improve bioactive compounds and enzymatic activity in berries

RAMÍREZ-GOTTFRIED

FORTIS-HERNÁNDEZ²,

GONZÁLEZ-AVALOS³

et al. 2023

Not Bot Horti Agrobo

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“…10 Multiple factors affect the effect of iodine on plant growth, for example the applied concentration, the chemical form of iodine applied, and the plant species. 50 Thus, the decrease in biomass detected in SB plants www.soci.org M Puccinelli et al…”

Section: Biofortification With Iodinementioning

confidence: 97%

Iodine biofortification of Swiss chard (Beta vulgaris ssp. vulgaris var. cicla) and its wild ancestor sea beet (Beta vulgaris ssp. maritima) grown hydroponically as baby leaves: effects on leaf production and quality

et al. 2023

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BACKGROUNDAbout 35–45% of the global population is affected by iodine deficiency. Iodine intake can be increased through the consumption of biofortified vegetables. Given the increasing interest in wild edible species of new leafy vegetables due to their high nutritional content, this study aimed to evaluate the suitability of Swiss chard (Beta vulgaris ssp. vulgaris var. cicla) and its wild ancestor sea beet (Beta vulgaris ssp. maritima) to be fortified with iodine. Plants were cultivated hydroponically in a nutrient solution enriched with four different concentrations of iodine (0, 0.5, 1.0, and 1.5 mg L−1), and the production and quality of baby leaves were determined.RESULTSSea beet accumulated more iodine than Swiss chard. In both subspecies, increasing the iodine concentration in the nutrient solution improved leaf quality as a result of greater antioxidant capacity – the ferric reducing ability of plasma (FRAP) index increased by 17% and 28%, at 0.5 and 1.5 mg L−1 iodine, respectively – the content of flavonoids (+31 and + 26%, at 1 and 1.5 mg L−1 of iodine, respectively), and the lower content of nitrate (−38% at 1.5 mg L−1 of iodine) and oxalate (−36% at 0.5 mg L−1 of iodine). In sea beet, however, iodine levels in the nutrient solution higher than 0.5 mg L−1 reduced crop yield significantly.CONCLUSIONSBoth subspecies were found to be suitable for producing iodine‐enriched baby leaves. The optimal iodine levels in the nutrient solution were 1.0 in Swiss chard and 0.5 mg L−1 in sea beet, as crop yield was not affected at these concentrations and leaves contained enough iodine to satisfy an adequate daily intake with a serving of 100 g. © 2023 Society of Chemical Industry.

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“…Mineral elements play a critical role in ameliorating abiotic-stress-induced adversities in plants and ensuring their enhanced growth and survival under stressful environments (Bashir and John 2023;Riyazuddin et al 2022;Bhardwaj et al 2022;Khan et al 2021). Recently, silicon-nanoparticles (SiNPs; 2.5 mM) reduced the effects of cadmium (Cd) toxicity on growth, antioxidant defense systems, Cd uptake and transport, and cell-wall adsorption in rice (Oryza sativa) seedlings (Riaz et al 2022).…”

Section: Critical Role Of Beneficial Elements In Plants Under Stressf...mentioning

confidence: 99%

Beneficial elements in plants: developing resilience under stressful environments

Khan

Sofo

et al. 2023

Plant Soil

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Iodine: an emerging biostimulant of growth and stress responses in plants

Cited by 9 publications

References 72 publications

Iodine application in Vitis vinifera L. cv. ‘Cabernet Sauvignon’ improve bioactive compounds and enzymatic activity in berries

Iodine application in Vitis vinifera L. cv. ‘Cabernet Sauvignon’ improve bioactive compounds and enzymatic activity in berries

Iodine biofortification of Swiss chard (Beta vulgaris ssp. vulgaris var. cicla) and its wild ancestor sea beet (Beta vulgaris ssp. maritima) grown hydroponically as baby leaves: effects on leaf production and quality

Beneficial elements in plants: developing resilience under stressful environments

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