Seed Priming and Metal/Metalloid Stress Tolerance in Plants

Saboor, Abdul; Mustafa, Ghulam; Arshad, Muhammad Umair; Ahmad, Maqshoof; Hussain, Sajjad; Ahmed, Niaz; Ahmad, Shakeel; Shahid, Muhammad; Ali, Muhammad Arif

doi:10.1007/978-981-13-8625-1_14

Cited by 9 publications

(4 citation statements)

References 172 publications

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“…Increased antioxidant activity due to SA application based on a promising technique-i.e., seed priming-has been reported in the literature. According to Saboor et al (2019), seed priming can increase initial performance in the presence of abiotic stress, as well as improve plant growth and yield. T. repens plants subjected to gibberellic acid and polyethylene glycol application based on this technique have shown lesser zinc accumulation after they were exposed to this metal (Galhaut et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Seed Priming with Salicylic Acid Minimizes Oxidative Effects of Aluminum on Trifolium Seedlings

Bortolin

Teixeira

Pinheiro

et al. 2020

J Soil Sci Plant Nutr

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Aluminum (Al) toxicity is one of the main aspects restricting the development of fabaceous plants grown in soils with spontaneous vegetation prevalence in temperate climate zones. Salicylic acid (SA) minimizes the effects of stress on plants. Therefore, the aim of the current study was to evaluate the ability of SA seed priming to mitigate the effects of Al on seed germination and seedling performance in two Trifolium species. Trifolium vesiculosum (annual) and Trifolium repens (perennial) seeds were primed in solution added, or not, with SA (25 μM) and placed on germination paper moistened with aluminum sulfate (Al 2 (SO 4) 3) solutions at three different doses: 0 mM (control), 0.25 mM (moderate dose), and 1.25 mM (high dose). Seed priming with SA has mitigated the global toxicity effects of Al on T. vesiculosum and T. repens seedlings. Inferior damages were observed in T. vesiculosum root length and dry mass and in T. repens shoot dry mass, after SA pretreatment. T. vesiculosum seed priming with SA in the presence of Al has significantly reduced the osmotic potential of seedling sap. Salicylic acid (SA) has also enabled increased antioxidant activity of enzymes such as superoxide dismutase (SOD) in the two investigated plant species and ascorbate peroxidase (APX) in T. repens. In addition to the increased antioxidant activity, SA-primed seeds reduced the malondialdehyde content in T. vesiculosum seedlings exposed to Al. Overall, seed priming with SA mitigates oxidative effects of Al and improves T. vesiculosum and T. repens seedling performance in the presence of this element.

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Section: Introductionmentioning

confidence: 99%

Seed Priming with Salicylic Acid Minimizes Oxidative Effects of Aluminum on Trifolium Seedlings

Bortolin

Teixeira

Pinheiro

et al. 2020

J Soil Sci Plant Nutr

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“…It reduces malondialdehyde and hydrogen peroxide production and improves proline concentration (Hossain et al, 2015). In primed seeds signalling proteins are accumulated to become active soon after sensing the stressful conditions (Saboor et al, 2019). Various priming agents regulate stress-related physiological changes (Fariduddin et al, 2018).…”

Section: 1 Seed Primingmentioning

confidence: 99%

Comparative analysis of heavy metal tolerance in Maize and strategies to enhance toxicity stress

Tariq

2023

ANST

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Heavy metals pollute the ecosystem and negatively affect soil fertility, plant development, productivity and physiology. A plant's tolerance against heavy metal stress depends on its specie, heavy metal type, and period of exposure to that heavy metal. Plant hormones and organic compounds alleviate heavy metals stress in plants in various ways depending on plant species. Seed priming, plant growth regulator and osmoprotectants are a few latest techniques to alleviate heavy metal stress in various plants. These applications efficiently regulate the antioxidant enzyme activities to mitigate plant toxins, creditably enhancing the tolerance in plants through conserving cellular homeostasis and altering the adverse effects of toxic metals stress on plants. These novel techniques improve our understanding to enhance crop productivity and reduce global food security risks under heavy metal stress. Comparison between these strategies and maize genetic resistance arise new research questions.

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“…Thus, the seeds protect from low external water potential and synchronized germination. Chemical priming and biopriming are used specifically to provide nutrients to seeds and protect them from any disease attack (Saboor et al, 2019). Seed priming improves drought stress tolerance by increasing the membrane stability, improving plant water condition and chlorophyll content, enhancing germination under normal and stressful conditions.…”

Section: Introductionmentioning

confidence: 99%

“…It causes early and uniform germination due to the increased synthesis of metabolites related to germination. These applications can be carried out both at the seed and seedling stage (Saboor et al, 2019). It has been reported that the treatments of salicylic acid (SA) and thiourea (TU) to wheat increase the grain yield under water scarcity conditions (Yadav et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

The Effects of Some Seed Priming Treatments on Germination and Seedling Development in Wheat

2021

JSTR

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Seed Priming and Metal/Metalloid Stress Tolerance in Plants

Cited by 9 publications

References 172 publications

Seed Priming with Salicylic Acid Minimizes Oxidative Effects of Aluminum on Trifolium Seedlings

Seed Priming with Salicylic Acid Minimizes Oxidative Effects of Aluminum on Trifolium Seedlings

Comparative analysis of heavy metal tolerance in Maize and strategies to enhance toxicity stress

The Effects of Some Seed Priming Treatments on Germination and Seedling Development in Wheat

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