Influence of Nacl Salinity Stress on Yield, Plant Water Uptake and Drainage Water of Tomato Grown in Soilless Culture

Qaryouti, M.; Qawasmi, W.; Hamdan, H.; Edwan, M.

doi:10.17660/actahortic.2007.747.70

Cited by 9 publications

(4 citation statements)

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“…It is known that tomatoes grown under salinity can produce better fruit quality with increased sugars and acidity [7,42,51,[53][54][55][56][57]. However, our findings did not indicate any effects of salt stress on the accumulation of glucose, fructose, or titratable acidity.…”

Section: Discussioncontrasting

confidence: 82%

“…Otherwise, the effect of salinity on yield may have been more pronounced in our experiment in contrast to other studies that observed a decrease in flowers and fruits [2,42]. In the first weeks of harvest, we found a reduction in fruit yield as expected in response to salt stress [2,3,40,42,43,51,52]. Though, in accordance with Mizrahi et al [53], the overall yield did not differ from the control at a later stage of harvest anymore.…”

Section: Discussionsupporting

confidence: 78%

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Heat-Induced Cross-Tolerance to Salinity Due to Thermopriming in Tomatoes

Körner,

Gierholz,

Zinkernagel

et al. 2024

Metabolites

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Global plant production is challenged by unpredictable (a)biotic stresses that occur individually, simultaneously or staggered. Due to an increasing demand for environmentally friendly plant production, new sustainable, universal, and preventive measures in crop protection are needed. We postulate thermopriming as a suitable procedure that fulfills these requirements. Therefore, we performed thermopriming as a pre-conditioning on tomato transplants in combination with two subsequent salt stress treatments to evaluate their single and combined physiological effects on leaves and fruits with regard to plant performance, fruit yield and quality. We identified a cross-tolerance to salinity that was triggered by the preceding thermopriming treatment and resulted in an accumulation of phenols and flavonols in the leaves. Plant growth and fruit yield were initially delayed after the stress treatments but recovered later. In regard to fruit quality, we found an increase in carotenoid and starch contents in fruits due to thermopriming, while sugars and titratable acidity were not affected. Our results indicate that thermopriming can mitigate the impact of subsequent and recurrent stress events on plant performance and yield under production-like conditions.

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Section: Discussioncontrasting

confidence: 82%

Section: Discussionsupporting

confidence: 78%

Heat-Induced Cross-Tolerance to Salinity Due to Thermopriming in Tomatoes

Körner,

Gierholz,

Zinkernagel

et al. 2024

Metabolites

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“…This conclusion was consistent with many other studies. Qaryouti et al ( 52 ) discovered that the overall yield of tomato cv. Durinta F1 was remarkably decreased at SAL of 5 dS m −1 and above, with a 7.2% yield decrease per unit rise in SAL.…”

Section: Discussionmentioning

confidence: 99%

Combined Treatment of Salinity Stress and Fruit Thinning Effect on Tomato

Peng-fei

Jiang²,

Dai

et al. 2022

Front. Nutr.

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This was an experimental investigation of the combined treatments of salinity (SAL) stress and fruit thinning (FT) on the growth, yield, fruit quality, and water use efficiency (WUE) of tomatoes with non-soil cultivation. The experiment was carried out in a plastic tunnel, Japan. Tomato (Solanum lycopersicum) cv. Momotaro seedlings were transplanted in a randomized complete block (RCB) manner with six plants/treatment, and an overall 36 plants in 18 pots (2 plants/pot). The experiment involved varying SAL treatment (no-SAL, moderate SAL, and serious SAL, with electroconductivity of 0.8, 3.0, and 4.5 dS m−1, separately) and FT treatment (NT: no thinning and 3FT: three-fruit treatment). The tomato growth, yield, and WUE were significantly suppressed with increasing SAL. In comparison, FT treatment had less effect on tomato growth and water consumption. Either SAL stress or FT treatment significantly improved fruit quality. The combined treatment proved better than single treatment of either SAL stress or FT, avoided the subsize fruit following SAL stress treatment, reduced fruit cracking found with FT treatment, and greatly improved fruit quality. The SAL thresholds of WUEs in relation to biomass, yield, and marketable yield were approximately 3.0 dS m−1 under these soilless conditions. Path analysis showed that biomass and water consumption were important indexes affecting yield. Logistic equation fitting showed that SAL stress tended to inhibit and delay plant growth; however, FT tended to advance and shorten the period of plant growth.

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“…A wide range of negative effects including reduced photosynthesis, reduced root elongation, stem diameter and plant height are a consequence of salinity stress [ 143 ]. In one study, each EC unit increase in salinity resulted in a 7.2% decrease in tomato yield [ 144 ]. Thus, adding PGPB into hydroponics to reduce these negative effects would significantly benefit growers.…”

Section: Plant Growth Promoting Bacteria Research In Hydroponicsmentioning

confidence: 99%

The Use of PGPB to Promote Plant Hydroponic Growth

Stegelmeier¹,

Rose²,

Joris³

et al. 2022

Plants

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Improvements to the world’s food supply chain are needed to ensure sufficient food is produced to meet increasing population demands. Growing food in soilless hydroponic systems constitutes a promising strategy, as this method utilizes significantly less water than conventional agriculture, can be situated in urban areas, and can be stacked vertically to increase yields per acre. However, further research is needed to optimize crop yields in these systems. One method to increase hydroponic plant yields involves adding plant growth-promoting bacteria (PGPB) into these systems. PGPB are organisms that can significantly increase crop yields via a wide range of mechanisms, including stress reduction, increases in nutrient uptake, plant hormone modulation, and biocontrol. The aim of this review is to provide critical information for researchers on the current state of the use of PGPB in hydroponics so that meaningful advances can be made. An overview of the history and types of hydroponic systems is provided, followed by an overview of known PGPB mechanisms. Finally, examples of PGPB research that has been conducted in hydroponic systems are described. Amalgamating the current state of knowledge should ensure that future experiments can be designed to effectively transition results from the lab to the farm/producer, and the consumer.

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Influence of Nacl Salinity Stress on Yield, Plant Water Uptake and Drainage Water of Tomato Grown in Soilless Culture

Cited by 9 publications

References 0 publications

Heat-Induced Cross-Tolerance to Salinity Due to Thermopriming in Tomatoes

Heat-Induced Cross-Tolerance to Salinity Due to Thermopriming in Tomatoes

Combined Treatment of Salinity Stress and Fruit Thinning Effect on Tomato

The Use of PGPB to Promote Plant Hydroponic Growth

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