Enhancing salinity tolerance in tomatoes at the reproductive stage by increasing pollen viability

Habibi, Nasratullah; Fakoor, Mohammad Yosuf; Faqiri, Shah Mahomoud; Sharaf, Zarir; Hotak, Mohammad Sadiq; Danishyar, Nelofar; Haris, M. M.; Osmani, Khuwaja Safiullah; Shinohara, Takashi; Terada, Naoki; Sanada, Atsushi; Koshio, Kaihei

doi:10.21931/rb/2023.08.01.25

Cited by 5 publications

(4 citation statements)

References 28 publications

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“…However, changes in pollen tube osmotic pressure showed that this male gametophyte can adapt to environmental stress [15,16]. It was shown that salinity decreases pollen viability in tomato during the flowering stage [17], and seed production, a key determinant of commercial success, essentially depends on pollen viability [18].…”

Section: Resultsmentioning

confidence: 99%

Effect of Salt Stress on Pollen Tube Growth in Two Medicago truncatula Ecotypes

Amouri

2023

The 3rd International Electronic Conference on Agronomy

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Section: Resultsmentioning

confidence: 99%

Effect of Salt Stress on Pollen Tube Growth in Two Medicago truncatula Ecotypes

Amouri

2023

The 3rd International Electronic Conference on Agronomy

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“…This experiment involved four priming treatments: −0 MPa, −0.4 MPa, −0.8 MPa, and −1.2 MPa. To determine how much PEG6000 should be dissolved in pure water to create priming treatments, the following formula was employed [17,18,20,59]:…”

Section: Application Of Treatmentsmentioning

confidence: 99%

“…At present, scientists are exploring methods to mitigate the harmful impact of salinity on tomatoes or enhance certain mechanisms in them that enable adaptation to salinityinduced stress [20,21]. These mechanisms are influenced by several factors, including plant growth and physiological parameters, which vary across various stages of plant development [22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Potential Benefits of Seed Priming under Salt Stress Conditions on Physiological, and Biochemical Attributes of Micro-Tom Tomato Plants

Habibi

Aryan

Amin

et al. 2023

Plants

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Pre-sowing seed priming is one of the methods used to improve the performance of tomato plants under salt stress, but its effect photosynthesis, yield, and quality have not yet been well investigated. This experiment aimed to alleviate the impact of sodium chloride stress on the photosynthesis parameters of tomato cv. Micro−Tom (a dwarf Solanum lycopersicum L.) plants exposed to salt stress conditions. Each treatment combination consisted of five different sodium chloride concentrations (0 mM, 50 mM, 100 mM, 150 mM, and 200 mM) and four priming treatments (0 MPa, −0.4 MPa, −0.8 MPa, and −1.2 MPa), with five replications. Microtome seeds were subjected to polyethylene glycol (PEG6000) treatments for 48 hours for priming, followed by germination on a moist filter paper, and then transferred to the germination bed after 24 h. Subsequently, the seedlings were transplanted into the Rockwool, and the salinity treatments were administered after a month. In our study salinity significantly affected tomato plants’ physiological and antioxidant attributes. Primed seeds produced plants that exhibited relatively better photosynthetic activity than those grown from unprimed seeds. Our findings indicated that priming doses of −0.8 MPa and −1.2 MPa were the most effective at stimulating tomato plant photosynthesis, and biochemical contents under salinity-related conditions. Moreover, primed plants demonstrated relatively superior fruit quality features such as fruit color, fruit Brix, sugars (glucose, fructose, and sucrose), organic acids, and vitamin C contents under salt stress, compared to non-primed plants. Furthermore, priming treatments significantly decreased the malondialdehyde, proline, and hydrogen peroxide content in plant leaves. Our results suggest that seed priming may be a long-term method for improving crop productivity and quality in challenging environments by enhancing the growth, physiological responses, and fruit quality attributes of Micro-Tom tomato plants under salt stress conditions.

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“…Salt stress poses a significant challenge in the cultivation of tomatoes, impacting various growth parameters [1,2] and physiological processes within the plants [3][4][5]. High salinity levels can lead to osmotic stress, disrupting the normal physiology of plants leading to cellular damage [6] and hindering normal metabolic activities.…”

Section: Introductionmentioning

confidence: 99%

Alleviating Salt Stress in Tomatoes through Seed Priming with Polyethylene Glycol and Sodium Chloride Combination

Habibi,

Terada,

Sanada

et al. 2024

Stresses

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Tomato cultivation grapples with salt stress, disrupting growth parameters and physiological processes. High salinity levels induce osmotic stress, impacting cellular integrity and hindering metabolic activities. Salt accumulation at the root zone alters key physiological attributes, compromising overall harvestable output. Seed priming emerges as a potential solution to enhance plant resilience. A research gap exists in understanding the combined influence of polyethylene glycol and sodium chloride as seed priming agents under salt stress conditions. The study occurred in the Greenhouse of Laboratory Horticultural Science at Tokyo University of Agriculture. Micro Tom seeds underwent a factorial randomized design, involving five salinity and four priming treatments. Replicated ten times, totaling 200 plants, seed priming used polyethylene glycol, inducing salinity stress with sodium chloride. Meticulous measurements of growth parameters, photosynthetic traits, yield attributes, and electrolyte leakage were conducted. Statistical analyses discerned treatment effects at a 5% significance level. Seed priming, especially with ‘PEG plus NaCl’, effectively mitigated salt stress effects on tomato plants. Under severe salt stress, primed plants exhibited increased plant height, trusses, leaves, and leaf area. Photosynthetic efficiency and yield attributes demonstrated significant improvements with seed priming. Electrolyte leakage, indicative of leaf damage, was notably reduced by seed priming treatments, with ‘PEG plus NaCl’ exhibiting the highest efficacy. These results offer valuable guidance for optimizing agricultural practices in saline environments, contributing to sustainable strategies for food security amidst escalating environmental challenges.

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Enhancing salinity tolerance in tomatoes at the reproductive stage by increasing pollen viability

Cited by 5 publications

References 28 publications

Effect of Salt Stress on Pollen Tube Growth in Two Medicago truncatula Ecotypes

Effect of Salt Stress on Pollen Tube Growth in Two Medicago truncatula Ecotypes

Potential Benefits of Seed Priming under Salt Stress Conditions on Physiological, and Biochemical Attributes of Micro-Tom Tomato Plants

Alleviating Salt Stress in Tomatoes through Seed Priming with Polyethylene Glycol and Sodium Chloride Combination

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