Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Chlorophyll and relative water content of tomato tended to decrease as stress level increased.

Taxon: tomatoSolanum lycopersicumt0
Treatment: increase in stress levele5
Outcome: chlorophyll and the relative water contente5
Direction: decreasee5

Not reportedComparator

Verbatim

t0
“tomato genotypes”
✓ located verbatim in the source · title, characters 107–123

e5
“physiological parameters, namely chlorophyll and the relative water content tended to decrease, while the rate of water loss and proline content tended to increase following an increase in stress level”
✓ located verbatim in the source · abstract, characters 1010–1211

Title

Assessing the impact of different water stresses on physio-chemical properties and yield-related traits in tomato genotypes: Insights into stability and response

Veerendra K. VERMA; Krishnappa RANGAPPA; Amit KUMAR; et al. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 2025. doi:10.15835/nbha53114113

Other claims from this paper (8)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf relative water content fell 25% in experiment 1.

Taxon: tomatoSolanum lycopersicumt0
Treatment: water-deficit stresst0
Outcome: leaf relative water contente0
Direction: decreasee0
Value: 25e0

Not reportedComparator

Verbatim

e0
“25 and 29% decrease in leaf relative water content”
✓ located verbatim in the source · abstract, characters 997–1047

t0
“tomato under water-deficit stress”
✓ located verbatim in the source · title, characters 137–170

Title

Effects of an Ascophyllum nodosum seaweed extract application dose and method on growth, fruit yield, quality, and water productivity of tomato under water-deficit stress

Mostak Ahmed; Hayat Ullah; Kanokkorn Piromsri; et al. South African Journal of Botany 2022. doi:10.1016/j.sajb.2022.09.045

Other claims from this paper (13)

Intervention effect At 50% field capacity, fruit yield fell 67% in experiment 1.
Intervention effect At 50% field capacity, fruit yield fell 52% in experiment 2.
Intervention effect Fruit length fell 11% under severe deficit in both experiments.
Intervention effect Leaf relative water content fell 29% in experiment 2.
Intervention effect Total soluble solids increased 38% in experiment 1.
Intervention effect Total soluble solids increased 49% in experiment 2.
Intervention effect Soil drench at 5 mL/L raised yield 225% at 50% FC.
Intervention effect Foliar spray at 5 mL/L raised yield 271% at 50% FC.
Intervention effect Untreated plants had lower water productivity at all soil moisture levels.
Intervention effect Water productivity was greatest at 5 mL/L across moisture levels.
Observation A 5 mL/L soil drench produced 523.3 g per plant yield.
Observation A 5 mL/L foliar spray produced 397.1 g per plant yield.
Recommendation The authors recommend 5 mL/L ASE for tomato.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf relative water content fell 29% in experiment 2.

Taxon: tomatoSolanum lycopersicumt0
Treatment: water-deficit stresst0
Outcome: leaf relative water contente0
Direction: decreasee0
Value: 29%e0

Not reportedComparator

Verbatim

e0
“25 and 29% decrease in leaf relative water content”
✓ located verbatim in the source · abstract, characters 997–1047

t0
“tomato under water-deficit stress”
✓ located verbatim in the source · title, characters 137–170

Title

Effects of an Ascophyllum nodosum seaweed extract application dose and method on growth, fruit yield, quality, and water productivity of tomato under water-deficit stress

Mostak Ahmed; Hayat Ullah; Kanokkorn Piromsri; et al. South African Journal of Botany 2022. doi:10.1016/j.sajb.2022.09.045

Other claims from this paper (13)

Intervention effect At 50% field capacity, fruit yield fell 67% in experiment 1.
Intervention effect At 50% field capacity, fruit yield fell 52% in experiment 2.
Intervention effect Fruit length fell 11% under severe deficit in both experiments.
Intervention effect Leaf relative water content fell 25% in experiment 1.
Intervention effect Total soluble solids increased 38% in experiment 1.
Intervention effect Total soluble solids increased 49% in experiment 2.
Intervention effect Soil drench at 5 mL/L raised yield 225% at 50% FC.
Intervention effect Foliar spray at 5 mL/L raised yield 271% at 50% FC.
Intervention effect Untreated plants had lower water productivity at all soil moisture levels.
Intervention effect Water productivity was greatest at 5 mL/L across moisture levels.
Observation A 5 mL/L soil drench produced 523.3 g per plant yield.
Observation A 5 mL/L foliar spray produced 397.1 g per plant yield.
Recommendation The authors recommend 5 mL/L ASE for tomato.

Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The relative water content of apoplast (ζap) decreased, indicating that water deficiency and excessive nitrogen reduced water absorption and retention capacity of tomatoes to a certain extent.

Taxon: tomatoesSolanum lycopersicume0
Treatment: water deficiency and excessive nitrogene0
Outcome: relative water content of apoplast (ζap)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“the decrease in the relative water content of apoplast (ζap) indicated that water deficiency and excessive nitrogen reduced the water absorption and water retention capacity of tomatoes”
✓ located verbatim in the source · abstract, characters 2307–2492

t0
“tomato seedlings”
✓ located verbatim in the source · title, characters 125–141

Title

Effects of excessive nitrogen fertilizer and soil moisture deficiency on antioxidant enzyme system and osmotic adjustment in tomato seedlings

Yujie Zhang; Shuangen Yu; Zijia Li; et al. International journal of agricultural and biological engineering 2022. doi:10.25165/j.ijabe.20221502.5555

Other claims from this paper (16)

Intervention effect Excessive nitrogen fertilizer reduced the biomass of tomato seedlings.
Intervention effect Soil moisture deficiency reduced the biomass of tomato seedlings.
Intervention effect Microbial dilution (EM) increased tomato plant biomass by 5.2% compared with CK (adequate water with tap water).
Intervention effect Nitrogen application increased chlorophyll relative content (SPAD) in tomato seedlings.
Intervention effect The maximum net photosynthetic rate (Pc) of tomato decreased with nitrogen application.
Intervention effect The maximum net photosynthetic rate (Pc) of tomato increased with EM application.
Intervention effect The maximum net photosynthetic rate (Pc) of tomato increased with irrigation amount.
Intervention effect Excessive nitrogen application increased plant nitrate reductase activity (NR) in tomato.
Intervention effect Plant NR in the excessive-nitrogen (N) treatment was 13.0% higher than in CK.
Intervention effect Plant NR in nitrogen application with water deficiency (WN) increased 34.0% compared with water deficiency (W).
Intervention effect In the EM-N treatment, excessive nitrogen increased plant nitrate reductase activity by 22.9% relative to the corresponding moderate-nitrogen treatment (EM).
Intervention effect In the EM-WN treatment, excessive nitrogen increased plant nitrate reductase activity by 28.6% relative to the corresponding moderate-nitrogen treatment (EM-W).
Intervention effect Activities of the antioxidant enzymes SOD, POD and CAT increased significantly in the four nitrogen application treatments.
Intervention effect Soil moisture and nitrogen fertilizer significantly reduced the osmotic potential (πFT) of tomato seedlings.
Intervention effect Soil moisture and nitrogen fertilizer significantly increased the osmotic concentration (Cosm) and concentration difference (ΔCosm).
Intervention effect Microbial dilution alleviated excessive nitrogen fertilizer and water stress to some extent, but the effect was not significant.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Long-term water deficiency decreased osmotic potential, relative water content and chlorophyll concentration in greenhouse tomato leaves compared with well-watered plants.

Taxon: Solanum lycopersicumSolanum lycopersicume0
Treatment: long-term WDe1
Outcome: osmotic potential, relative water content and chlorophyll concentratione2
Direction: decreasee2
Comparator: well-waterede1
Setting: greenhousee1

Verbatim

e0
“Solanum lycopersicum”
✓ located verbatim in the source · abstract, characters 289–309

e1
“in the greenhouse under well-watered or long-term WD conditions”
✓ located verbatim in the source · abstract, characters 817–880

e2
“The decrease of the osmotic potential, relative water content and chlorophyll concentration”
✓ located verbatim in the source · abstract, characters 882–973

Title

Controlled long-term water deficiency and its impact on the fluorescence emission of tomato leaves during stress and re-watering

Burkard Kautz; Georg Noga; Mauricio Hunsche European Journal of Horticultural Science 2014. doi:10.1079/ejhs.2014/4258560

Other claims from this paper (6)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Rio Grande relative water content decreased 1% under PEG and 3% under water scarcity.

Taxon: TomatoSolanum lycopersicumt0
Material: Rio Grandee1
Treatment: PEG and water scarcity treatmente1
Outcome: relative water contente0
Direction: decreasee0
Value: 1%, 3%e0
Comparator: the controle1

Verbatim

e0
“a slight decrease in relative water content (1%, 3%)”
✓ located verbatim in the source · abstract, characters 1906–1958

e1
“Rio Grande cultivar in PEG and water scarcity treatment compared to the control”
✓ located verbatim in the source · abstract, characters 2186–2265

t0
“Evaluation of Physiological and Biochemical Responses of Four Tomato (Solanum lycopersicum L.) Cultivars at Different Drought Stress Levels”
✓ located verbatim in the source · title, characters 0–139

Title

Evaluation of Physiological and Biochemical Responses of Four Tomato (Solanum lycopersicum L.) Cultivars at Different Drought Stress Levels

Müge Teker Yıldız; Cüneyt Akı Agronomy 2025. doi:10.3390/agronomy15030653

Other claims from this paper (19)

Intervention effect Drought reduced root and shoot lengths, chlorophyll, water content, biomass and antioxidant enzyme activity in Falcon.
Intervention effect Drought reduced the same physiological and enzyme responses in H−2274.
Intervention effect Drought increased TBARs and H2O2 in Falcon and H−2274.
Intervention effect Falcon shoot length fell 21% under PEG and 37% under water scarcity versus control.
Intervention effect Falcon relative water content fell 20% under PEG and 30% under water scarcity.
Intervention effect Falcon chlorophyll content fell 7% under PEG and 23% under water scarcity.
Intervention effect Falcon fresh weight fell 51% under PEG and 49% under water scarcity.
Intervention effect Falcon dry weight fell 9% under PEG and 29% under water scarcity.
Intervention effect Falcon TBARs increased 2% under PEG and 14% under water scarcity.
Intervention effect Falcon H2O2 content increased 3% under PEG and 15% under water scarcity.
Intervention effect Rio Grande total chlorophyll content increased 6%.
Intervention effect Rio Grande CAT activity was intense, at 50% and 67%, under the two drought treatments.
Intervention effect Rio Grande SOD activity increased 30%.
Intervention effect Rio Grande lipid peroxidation decreased 5% under PEG and 22% under water scarcity.
Intervention effect Rio Grande H2O2 content decreased 11% under PEG and 15% under water scarcity.
Recommendation Rio Grande was judged drought resistant and suitable for water-scarce areas.
Observation Falcon was judged susceptible to drought.
Observation The four cultivars differed in drought perception and antioxidant defense.
Observation Reported drought tolerance ranked Rio Grande highest and Falcon lowest.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Far-red and red-blue light regimes raised relative water content compared with white fluorescent light.

Taxon: Solanum lycopersicumSolanum lycopersicumt0
Material: Microtomt0
Treatment: FS and RB light regimese0
Outcome: RWCe0
Direction: risee0
Comparator: FL plantse0

Verbatim

t0
“Solanum lycopersicum L. cv. ‘Microtom’”
✓ located verbatim in the source · title, characters 81–119

e0
“FS and RB light regimes determined a decrease of plant height and a rise of RWC compared to FL plants”
✓ located verbatim in the source · abstract, characters 434–535

Title

Light Spectral Composition Influences Structural and Eco-Physiological Traits of Solanum lycopersicum L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation

Ermenegilda Vitale; Luca Vitale; Giulia Costanzo; et al. Plants 2021. doi:10.3390/plants10081752

Other claims from this paper (10)

Intervention effect Irradiation reduced plant size relative to the control.
Intervention effect Irradiation increased leaf dry matter content and relative water content relative to the control.
Intervention effect Far-red and red-blue light regimes decreased plant height compared with white fluorescent light.
Intervention effect Irradiation under full-spectrum and red-blue regimes favoured the development of dwarf plants.
Intervention effect Irradiation under full-spectrum and red-blue regimes improved leaf water status.
Intervention effect Under the white fluorescent regime, irradiated plants showed reduced photosynthesis and stomatal conductance.
Intervention effect In red-blue irradiated plants, gas exchange was significantly stimulated.
Intervention effect The red-blue regime enhanced Rubisco expression in irradiated plants.
Intervention effect The red-blue regime induced anatomical adjustments in irradiated plants: increased leaf thickness and incidence of intercellular spaces.
Intervention effect Irradiation with 48Ca ions did not prevent fruit ripening, irrespective of the light quality regime.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Steady water tables at 5 and 10 cm did not restrain relative leaf expansion rate.

Taxon: tomato plantsSolanum lycopersicumt0
Treatment: steady water table at 5-cm and 10-cm depthe0
Outcome: relative leaf expansion rate (RLER)e0
Direction: did not restraine0
Comparator: Untreated control plantse1

Verbatim

e0
“steady water table at 5-cm and 10-cm depth did not restrain relative leaf expansion rate (RLER)”
✓ located verbatim in the source · abstract, characters 1045–1140

e1
“Untreated control plants”
✓ located verbatim in the source · abstract, characters 797–821

t0
“tomato plants”
✓ located verbatim in the source · title, characters 122–135

Title

Steady shallow water table did not decrease leaf expansion rate, specific leaf weight, and specific leaf water content in tomato plants

Mei Meihana; STIPER Sriwigama, Palembang 30137, Indonesia; Benyamin Lakitan; et al. Australian Journal of Crop Science 2017. doi:10.21475/ajcs.17.11.12.pne808

Other claims from this paper (4)

Method / resource A zero intercept linear model was selected for tomato leaf area estimation.
Intervention effect Specific leaf fresh weight did not differ significantly between treated and untreated plants.
Intervention effect Specific leaf water content did not differ significantly between treated and untreated plants.
Observation Steady shallow water tables at 5 cm or deeper did not affect tomato growth.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Moderate and severe stress reduced tomato leaf water potential relative to controls, more under severe stress.

Taxon: tomato plantsSolanum lycopersicumt0
Treatment: Moderate and severe water stresse0
Outcome: Ψ we0
Direction: decreasee0
Qualifier: more pronounced for severely stressed plantse0
Comparator: control plantse0

Verbatim

e0
“Moderate and severe water stress (i.e. Ψs= ‐0.51 and ‐1.22 MPa, respectively) caused a decrease in Ψ w for all treated (water‐stressed) plants compared with control plants, with the reduction being more pronounced for severely stressed plants.”
✓ located verbatim in the source · abstract, characters 568–811

t0
“Tomato Plants”
✓ located verbatim in the source · title, characters 160–173

Title

Effects of Different Levels of Water Stress on Leaf Water Potential, Stomatal Resistance, Protein and Chlorophyll Content and Certain Anti‐oxidative Enzymes in Tomato Plants

Hatem Zgallaï; Kathy Steppe; Raoul Lemeur Journal of Integrative Plant Biology 2006. doi:10.1111/j.1744-7909.2006.00272.x

Other claims from this paper (7)

Intervention effect Water stress significantly affected stomatal resistance without a stated direction.
Intervention effect Water stress decreased leaf soluble protein content.
Intervention effect Water stress decreased chlorophyll content.
Intervention effect Catalase activity remained constant under water stress.
Intervention effect SOD activity increased in water-stressed relative to unstressed plants.
Mechanism The authors suggest SOD may protect plants under water stress.
Recommendation The authors suggest using SOD activity as a water-stress screening criterion.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increased LIWTR i improved the delivery and WUE of retained leaf internal water at 70% relative soil water content.

Taxon: Solanum lycopersicumSolanum lycopersicume0
Treatment: increased LIWTR ie3
Outcome: WUEe3
Direction: improvede3
Qualifier: at 70%e3

Not reportedComparator

Verbatim

e0
“Solanum lycopersicum plants were subjected to five different levels of relative soil water content (SWC R ) (e.g., 100, 90, 80, 70, and 60%) for 3 months”
✓ located verbatim in the source · abstract, characters 346–499

e3
“Remarkably, increased LIWTR i helped to improve the delivery and WUE of the retained leaf internal water, which maintained P N and improved the WUE at 70% but could not keep the plant growth and yields at 70 and 60% due to the further decrease of water supply and Ψ L”
✓ located verbatim in the source · abstract, characters 1224–1491

Title

Leaf Intracellular Water Transport Rate Based on Physiological Impedance: A Possible Role of Leaf Internal Retained Water in Photosynthesis and Growth of Tomatoes

Deke Xing; Renlong Mao; Zhenyi Li; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.845628

Other claims from this paper (8)

“decrease in relative water content”

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