Effects of hormonal priming on seed germination of pigeon pea under cadmium stress

Sneideris, Larissa C.; Gavassi, Marina Alves; Campos, Marcelo Lattarulo; D’Amico-Damião, Victor; Carvalho, Rogério Falleiros

doi:10.1590/0001-3765201520140332

Cited by 55 publications

(30 citation statements)

References 20 publications

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“…It is a technique that can be applied to improve germination and growth in TME-contaminated areas [20]. Usually, the germination process is induced by soaking seeds in water (hydropriming) or in solutions containing exogenous molecules such as salts [21], metals [22] or hormones [23].…”

Section: Discussionmentioning

confidence: 99%

Effect of Priming on Seed Germination of Cucurbita Pepo under Copper Stress

Bankaji¹,

Hammouda²,

Sleimi³

2017

ajlsr

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In order to study the effects of priming on seed germination and seedling growth of Cucurbita pepo under copper stress conditions, an experiment was conducted. Seeds of cucumber were soaked in aerated solution of GA3, 2 mM (hormonal priming) and in distilled water (hydro-priming). The results showed a trend of tolerance to the effects of copper at different concentrations on seed germination of Cucurbita pepo. The hydro-priming improved the morphology of germinated seeds in Cucurbita pepo. Similarly, it enhanced the tolerance index and the T/50 in the no stressed seeds by copper. Priming with GA3 at low dose had no effect on seed germination of this species.

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Section: Discussionmentioning

confidence: 99%

Effect of Priming on Seed Germination of Cucurbita Pepo under Copper Stress

Bankaji¹,

Hammouda²,

Sleimi³

2017

ajlsr

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“…Many effects on metabolic processes, germination performance and seedling establishment due to seed priming with H 2 O 2 were observed although seed soaking followed by dehydration have an important role in controlling gene expression and biosynthesis of proteins [141].…”

Section: Priming Strategy To Improve Seed Germination Under Stressfulmentioning

confidence: 99%

“…Seed priming with auxin, cytokinin, GA, and ethylene (ET) resulted in improvement of germination of pigeon pea seeds under both control and Cd-stress conditions [142]. ABA pretreated seeds showed a reduction in germination that may be attributed to metabolic deviation, limiting the available energy and changes in metabolomics or may be attributed to modulate the endogenous ABA level [143].…”

Section: Priming Strategy To Improve Seed Germination Under Stressfulmentioning

confidence: 99%

Metabolic Processes During Seed Germination

Ali¹,

Elozeiri²

2017

Advances in Seed Biology

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Seed germination is crucial stage in plant development and can be considered as a determinant for plant productivity. Physiological and biochemical changes followed by morphological changes during germination are strongly related to seedling survival rate and vegetative growth which consequently affect yield and quality. This study is aimed to focus on proceeding of the most vital metabolic processes namely reserve mobilization, phytohormonal regulation, glyoxylate cycle and respiration process under either stressful or non-stressful conditions that may be led to suggest and conduct the more successful experimental improvements. Seed imbibition triggered the activation of various metabolic processes such as synthesis of hydrolytic enzymes which resulted in hydrolysis of reserve food into simple available form for embryo uptake. Abiotic stresses potentially affect seed germination and seedling establishment through various factors, such as a reduction in water availability, changes in the mobilization of stored reserves, hormonal balance alteration and affecting the structural organization of proteins. Recent strategies for improving seed quality involved classical genetic, molecular biology and invigoration treatments known as priming treatments. H 2 O 2 accumulation and associated oxidative damages together with a decline in antioxidant mechanisms can be regarded as a source of stress that may suppress germination. Seed priming was aimed primarily to control seed hydration by lowering external water potential, or shortening the hydration period.

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“…The importance of seed plants to humans is unquestionable and they have been studied for a wide range of aspects (Azevedo et al 1997, Carvalho et al 2011, Bevilaqua et al 2015, Dresch et al 2015, Sneideris et al 2015, Soares et al 2015, but in particular to their nutritional quality due to their consumption by animals and humans (Azevedo et al 1997). Cereals and legume seeds are significant plant protein sources in the human diet (Azevedo et al 1990).…”

mentioning

confidence: 99%

“…Some studies have tested pre-sowing seed treatments (seed priming) using hormones (Carvalho et al 2011, Sneideris et al 2015 and vitamins such as ascorbic acid (AsA) to improve the stress tolerance (Farooq et al 2013, Alcântara et al 2015. AsA treatment increased the amount of soluble carbohydrates, proteins and soluble amino ASCORBIC ACID MAIzE SEED PRIMING 697 acids in beans (Azooz et al 2013), and increased the proline content in wheat (Farooq et al 2013), however these analyses were performed at the vegetative stage.…”

mentioning

confidence: 99%

Soluble amino acid profile, mineral nutrient and carbohydrate content of maize kernels harvested from plants submitted to ascorbic acid seed priming

Alcântara¹,

Rizzi²,

Gaziola³

et al. 2017

An. Acad. Bras. Ciênc.

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Both the scientific community and society have shown interest in improving the content of amino acids, carbohydrates and mineral nutrients in maize because it represents an important staple food in many developing countries. Earlier studies demonstrated that the treatment of seeds using ascorbic acid (AsAseed priming) enhanced soluble carbohydrates, proteins and soluble amino acids for other species. AsA seed priming in maize showed the potential for reducing abiotic stresses. The effects on grain quality have not been previously demonstrated. This study investigated the impacts of AsA seed priming on maize kernel quality of seeds produced by the plants generated from the primed seeds, based on the amino acid profile and carbohydrate and mineral nutrient contents. AsA seed priming improved the maize kernel quality with respect to the ascorbate content, boron allocation, total carbohydrate content and increased soluble amino acid levels, including serine, tyrosine, alanine, valine, glutamate, arginine, proline, aspartate, lysine and isoleucine, whereas soluble methionine was decreased. Therefore, AsA seed priming can represent a potential technique for improving maize grain quality.

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Effects of hormonal priming on seed germination of pigeon pea under cadmium stress

Cited by 55 publications

References 20 publications

Effect of Priming on Seed Germination of Cucurbita Pepo under Copper Stress

Effect of Priming on Seed Germination of Cucurbita Pepo under Copper Stress

Metabolic Processes During Seed Germination

Soluble amino acid profile, mineral nutrient and carbohydrate content of maize kernels harvested from plants submitted to ascorbic acid seed priming

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