Enhancement to Salt Stress Tolerance in Strawberry Plants by Iodine Products Application

Macías, Julia Medrano; Caltzontzit, María Guadalupe López; Martínez, Erika Nohemi Rivas; Ortiz, Willian A. Narváez; Mendoza, Adalberto Benavides; Lagunes, Paulino Martinez

doi:10.3390/agronomy11030602

Cited by 25 publications

(24 citation statements)

References 48 publications

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“…2 , 3 ). These results were consistent with a series of previous studies carried out, for example, in lettuce 3 or strawberry 25 . In a recent study on tomato, three foliar applications of 100 μM KIO 3 caused a 23% improvement in fruit yield in plants subjected to salinity stress (100 mM NaCl) during most of the growing cycle, without preventing the loss of plant biomass triggered by NaCl 47 .…”

Section: Discussionsupporting

confidence: 93%

“…Also, there was a need to confirm that the low micromolar doses that were effectively used in Arabidopsis would still be effective in tomato in a commercial production setting. Furthermore, the potential role of iodine in resilience to abiotic stresses as found in Arabidopsis 15 and supported by a series of scattered but consistent bibliographic indications 3 , 18 , 25 had to be confirmed.…”

Section: Discussionmentioning

confidence: 96%

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Improvement in fruit yield and tolerance to salinity of tomato plants fertigated with micronutrient amounts of iodine

Kiferle

Gonzali

Beltrami

et al. 2022

Sci Rep

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Iodine is an essential micronutrient for humans, but its role in plant physiology was debated for nearly a century. Recently its functional involvement in plant nutrition and stress-protection collected the first experimental evidence. This study wanted to examine in depth the involvement of iodine in tomato plant nutrition, also evaluating its potential on salt stress tolerance. To this end, iodine was administered at dosages effective for micronutrients to plants grown in different experimental systems (growth chamber and greenhouse), alone or in presence of a mild-moderate NaCl-salinity stress. Plant vegetative fitness, fruit yield and quality, biochemical parameters and transcriptional activity of selected stress-responsive genes were evaluated. In unstressed plants, iodine increased plant growth and fruit yield, as well as some fruit qualitative parameters. In presence of salt stress, iodine mitigated some of the negative effects observed, according to the iodine/NaCl concentrations used. Some fruit parameters and the expressions of the stress marker genes analyzed were affected by the treatments, explaining, at least in part, the increased plant tolerance to the salinity. This study thus reconfirms the functional involvement of iodine in plant nutrition and offers evidence towards the use of minute amounts of it as a beneficial nutrient for crop production.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 96%

Improvement in fruit yield and tolerance to salinity of tomato plants fertigated with micronutrient amounts of iodine

Kiferle

Gonzali

Beltrami

et al. 2022

Sci Rep

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“…Previous investigations of I biofortification peculiarities revealed that potassium iodide application reduced Na accumulation in lettuce seedlings [44]; the latter outcome is consistent with the Na content decrease by almost twice recorded in chervil treated with I, in the present research. Literature reports indicate that both Se and I can alleviate salt stress in plants [45,46].…”

Section: Macro-elementsmentioning

confidence: 99%

Iodine and Selenium Biofortification of Chervil Plants Treated with Silicon Nanoparticles

Golubkina

Moldovan

Федотов

et al. 2021

Plants

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Production of functional food with high levels of selenium (Se) and iodine (I) obtained via plant biofortification shows significant difficulties due to the complex interaction between the two elements. Taking into account the known beneficial effect of silicon (Si) on plant growth and development, single and joint foliar biofortification of chervil plants with potassium iodide (150 mg L−1) and sodium selenate (10 mg L−1) was carried out in a pot experiment with and without Si nanoparticles foliar supplementation. Compared to control plants, nano-Si (14 mg L−1) increased shoot biomass in all treatments: by 4.8 times with Si; by 2.8 times with I + Si; by 5.6 times with Se + Si; by 4.0 times with I + Se + Si. The correspondent increases in root biomass were 4.5, 8.7, 13.3 and 10.0 times, respectively. The growth stimulation effect of Se, I and I + Se treatments resulted in a 2.7, 3.5 and 3.6 times increase for chervil shoots and 1.6, 3.1 and 8.6 times for roots, respectively. Nano-Si improved I biofortification levels by twice, while I and Se enhanced the plant content of each other. All treatments decreased nitrate levels, compared to control, and increased the photopigment accumulation. Improvement of total antioxidant activity and phenolic content was recorded only under the joint application of Se + I + Si. Foliar nano-Si treatment affected other element content in plants: decreased Na+ accumulation in single and joint supplementation with Se and I, restored Fe, Mn and Cr amount compared to the decreased levels recorded in separately Se and I fortified plants and promoted Al accumulation both with or without Se and I biofortification. The results of this research suggest high prospects of foliar nano-Si supply for enhancing both growth and joint I/Se biofortification of chervil.

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“…Crops that grow in high concentrations of salts tend to reduce their development and growth; therefore, production is reduced [7,26,27]. Salt stress in plants causes osmotic stress, which triggers plants to consume extra energy to absorb water and nutrients [28,29].…”

Section: Seedling Biomass and Growth Parametersmentioning

confidence: 99%

The Biostimulant Effect of Hydroalcoholic Extracts of Sargassum spp. in Tomato Seedlings under Salt Stress

Sariñana-Aldaco

Benavides-Mendoza

Robledo‐Olivo

et al. 2022

Plants

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Currently, the use of biostimulants in agriculture is a tool for mitigating certain environmental stresses. Brown algae extracts have become one of the most important categories of biostimulants in agriculture, and are derived from the different uses and positive results obtained under optimal and stressful conditions. This study aimed to examine the efficacy of a foliar application of a hydroalcoholic extract of Sargassum spp. and two controls (a commercial product based on Ascophyllum nodosum and distilled water) with regard to growth, the antioxidant system, and the expression of defense genes in tomato seedlings grown in nonsaline (0 mM NaCl) and saline (100 mM NaCl) conditions. In general, the results show that the Sargassum extract increased the growth of the seedlings at the end of the experiment (7.80%) compared to the control; however, under saline conditions, it did not modify the growth. The Sargassum extract increased the diameter of the stem at the end of the experiment in unstressed conditions by 14.85% compared to its control and in stressful conditions by 16.04% compared to its control. Regarding the accumulation of total fresh biomass under unstressed conditions, the Sargassum extract increased it by 19.25% compared to its control, and the accumulation of total dry biomass increased it by 18.11% compared to its control. Under saline conditions, the total of fresh and dry biomass did not change. Enzymatic and nonenzymatic antioxidants increased with NaCl stress and the application of algal products (Sargassum and A. nodosum), which was positively related to the expression of the defense genes evaluated. Our results indicate that the use of the hydroalcoholic extract of Sargassum spp. modulated different physiological, metabolic, and molecular processes in tomato seedlings, with possible synergistic effects that increased tolerance to salinity.

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Enhancement to Salt Stress Tolerance in Strawberry Plants by Iodine Products Application

Cited by 25 publications

References 48 publications

Improvement in fruit yield and tolerance to salinity of tomato plants fertigated with micronutrient amounts of iodine

Improvement in fruit yield and tolerance to salinity of tomato plants fertigated with micronutrient amounts of iodine

Iodine and Selenium Biofortification of Chervil Plants Treated with Silicon Nanoparticles

The Biostimulant Effect of Hydroalcoholic Extracts of Sargassum spp. in Tomato Seedlings under Salt Stress

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