Intervention effectmodel-written summary

Photosynthetic rate (Pn), stomatal conductance (gs), chlorophyll reading value (CRV) decreased with salt and drought treatments in tomato seedlings.

A claim from Interactive effects of salinity and drought stress on photosynthetic characteristics and physiology of tomato (Lycopersicon esculentum L.) seedlings · 2020

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthetic rate (Pn), stomatal conductance (gs), chlorophyll reading value (CRV) decreased with salt and drought treatments in tomato seedlings.

Treatment
salt and drought treatmentse0
Outcome
Photosynthetic rate (Pn), stomatal conductance (gs), chlorophyll reading value (CRV)e0
Direction
decreasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Photosynthetic rate (Pn), stomatal conductance (gs), chlorophyll reading value (CRV), and plant dry weight (DW) decreased with salt and drought treatments.”

✓ located verbatim in the source · abstract, characters 940–1095
t0

“tomato (Lycopersicon esculentum L.) seedlings”

✓ located verbatim in the source · title, characters 103–148

Title

Interactive effects of salinity and drought stress on photosynthetic characteristics and physiology of tomato (Lycopersicon esculentum L.) seedlings

Selda Ors; Melek Ekinci; Ertan Yildirim; et al. South African Journal of Botany 2020. doi:10.1016/j.sajb.2020.10.031

Other claims from this paper (11)

Record rev-e47132e27e371cb53878e22f1a30aef1b8b6406d0758cc7c48187f943ce68338 · schema claims-v0.9 · position 2 in the model’s answer

drought · physiology: pigments · Solanum lycopersicum (tomato)Results differ

35 papers: 6 positive, 29 negative or no effect

28 papers in the same direction as this claim · 6 in the opposite direction

  1. positive
    Rio Grande total chlorophyll content increased 6%.

    Evaluation of Physiological and Biochemical Responses of Four Tomato (Solanum lycopersicum L.) Cultivars at Different Drought Stress Levels · 2025 · compared with the control

    Opposite directionCites this paper

  2. negative
    Drought reduced chlorophyll a of tomato seedlings by 16% compared with the control.

    Drought stress amelioration in tomato (Solanum lycopersicum L.) seedlings by biostimulant as regenerative agent · 2023 · compared with control

    Same directionCites this paper

  3. positive
    Water deficit increased total carotenoid content in tomato fruit.

    Effects of water deficit on leaves and fruit quality during the development period in tomato plant · 2021

    Opposite direction

  4. positive
    Water deficit increased chlorophyll content.

    The Potential of the MAGIC TOM Parental Accessions to Explore the Genetic Variability in Tomato Acclimation to Repeated Cycles of Water Deficit and Recovery · 2016

    Opposite direction

  5. positive
    Reduced water supply induced ripening of nor tomato fruits, increasing ripening traits below normal levels.

    Stress‐induced ripening of the non‐ripening tomato mutant nor · 1983 · compared with normal level

    Opposite direction

  6. positive
    At 80% water deficit, tomato pigments increased significantly.

    Effect of Water Stress on Growth and Physiology of Tomato (Lycopersicon esculentum Mill.) · 2015

    Opposite direction

  7. positive
    High level water deficit irrigation further raised locular chlorophyll content by 33.03%.

    Root restriction and water deficit irrigation enhance tomato fruit quality via altered root morphology and nutrient allocation · 2025

    Opposite direction

  8. negative
    Water stress decreased chlorophyll and carotenoid concentrations in tomato seedlings.

    Beneficial effects of silicon on photosynthesis of tomato seedlings under water stress · 2018

    Same direction

26 papers more in this group

See all 35 papers →

salinity · physiology: pigments · Solanum lycopersicum (tomato)Results differ

71 papers: 11 positive, 60 negative or no effect

59 papers in the same direction as this claim · 11 in the opposite direction

  1. negative
    Salinity reduced the SPAD value of tomato by 28.4% relative to the non-saline control.

    Effect of Biochar and Compost Addition on Mitigating Salinity Stress and Improving Fruit Quality of Tomato · 2023 · compared with un-amended non-saline control

    Same directionCites this paper

  2. no effect
    Salinity up to 7.5 dS m-1 did not significantly affect CCI before or after irrigation.

    Effect of Irrigation Water Salinity on Physiological Parameters and Yield of Tomato Plants Across Phenological Stages · 2024

    Same directionCites this paper

  3. positive
    Moderate salt stress increased carotenoid amount in cherry tomato.

    Antioxidative Activity and Carotenoid and Tomatine Contents in Different Typologies of Fresh Consumption Tomatoes · 2000

    Opposite direction

  4. positive
    Irrigating tomato with saline water containing NaCl up to 0.25% (w/v) is possible to improve carotenoid content and antioxidative activity, with an acceptable yield reduction.

    Irrigation with saline water improves carotenoids content and antioxidant activity of tomato · 2001

    Opposite direction

  5. positive
    Salinity increased chlorophyll a and chlorophyll b concentrations in tomato fruit.

    Effects of salinity at two ripening stages on the fruit quality of single-truss tomato grown in hydroponics · 1999

    Opposite direction

  6. positive
    Chlorophyll a, b, c and total chlorophyll were highest at 50 mM salinity.

    The salicylic acid effect on the tomato (lycopersicum esculentum Mill.) germination, growth and photosynthetic pigment under salinity stress (NaCl) · 2010

    Opposite direction

  7. positive
    Increasing irrigation salinity favored vitamin C, carotenoids and flavonoids in fruit.

    Can saline irrigation improve the quality of tomato fruits? · 2022

    Opposite direction

  8. positive
    Two percent NaCl stimulated chlorophyll production.

    Response of Tomato Genotypes to Induced Salt Stress · 2003

    Opposite direction

62 papers more in this group

See all 71 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.