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“decrease in relative water content”

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Organism: Zea mays ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Salt stress significantly decreased K+ content.

Taxon: maizeZea mayst0
Treatment: Salt stresse2
Outcome: K + contente2
Direction: decreasee2

Not reportedComparator

Verbatim

e2
“Salt stress led to a significant decrease in the relative water content, shoot and root length, fresh and dry weight as well as leaf area and K + content but increase Na + content”
✓ located verbatim in the source · abstract, characters 493–672

t0
“Comparative morphological, physiological, and biochemical traits in sensitive and tolerant maize genotypes in response to salinity and pb stress”
✓ located verbatim in the source · title, characters 0–144

Title

Comparative morphological, physiological, and biochemical traits in sensitive and tolerant maize genotypes in response to salinity and pb stress

Elnaz Zamani; Bahlanes Bakhtari; Hooman Razi; et al. Scientific Reports 2024. doi:10.1038/s41598-024-82173-5

Other claims from this paper (14)

Intervention effect NaCl or Pb treatment of the sensitive genotype significantly reduced root length and plant height.
Intervention effect NaCl or Pb treatment of the sensitive genotype significantly reduced total fresh and dry weights.
Intervention effect NaCl or Pb treatment of the sensitive genotype significantly reduced chlorophyll and carotenoid content.
Intervention effect Salt stress significantly decreased relative water content.
Intervention effect Salt stress significantly decreased shoot and root length.
Intervention effect Salt stress significantly decreased fresh and dry weight and leaf area.
Intervention effect Salt stress increased Na+ content.
Intervention effect NaCl and Pb stresses increased antioxidant enzyme activity.
Intervention effect NaCl and Pb stresses increased proline content.
Intervention effect NaCl and Pb stresses increased malondialdehyde and hydrogen peroxide levels.
Observation Principal component analysis explained 69.8% and 16.5% of the total variation among the variables studied.
Association Hydrogen peroxide, malondialdehyde, peroxidase, catalase and ascorbate peroxidase levels were positively correlated with Na+ content.
Association K+, chlorophyll content and relative water content were negatively correlated with growth traits in maize.
Intervention effect The salt-tolerant maize genotype is more suitable for adapting to Pb stress than the salt-sensitive genotype.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Stomatal conductance decreased in droughted plants before any significant decrease in midday leaf water potential.

Taxon: maizeZea mayse0
Treatment: droughted plantse3
Outcome: stomatal conductancee3
Direction: decreasee3
Qualifier: before any significant decrease in midday leaf water potential was observede3
Comparator: fully-watered controlse1

Verbatim

e0
“field-grown maize (Zea mays L.) subjected to drought”
✓ located verbatim in the source · abstract, characters 74–126

e1
“Relative to fully-watered controls, xylem pH increased by about 0.2 units one day after withholding irrigation (DAWI) and conductivity decreased by about 0.25 mS cm(-1) 1-3 DAWI”
✓ located verbatim in the source · abstract, characters 524–701

e3
“Predawn leaf ABA content in droughted plants increased by 100-200 ng g(-1) dry weight at 7 DAWI coinciding with a decrease in stomatal conductance before any significant decrease in midday leaf water potential was observed”
✓ located verbatim in the source · abstract, characters 1399–1621

Title

Drought‐induced changes in xylem pH, ionic composition, and ABA concentration act as early signals in field‐grown maize (Zea mays L.)

Andi Bahrun; Christian R. Jensen; Folkard Asch; et al. Journal of Experimental Botany 2002. doi:10.1093/jexbot/53.367.251

Other claims from this paper (12)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Longer irrigation cycles decreased ear weight, plant height, and stem and leaf weight.

Taxon: cornZea mays subsp. mayst0
Treatment: increasing irrigation cyclee0
Outcome: ear weight, plant height, stem and leaf weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“by increasing irrigation cycle and as a result decreasing water using in four levels of irrigation, traits like forage yield, ear weight, plant height, stem and leaf weight, ear leaf area and relative water content have decrease in treatment according to decrease in water used.”
✓ located verbatim in the source · abstract, characters 962–1240

t0
“Corn”
✓ located verbatim in the source · title, characters 60–64

Title

The Effect of Drought Stress on Agrophysiological Traits of Corn (Zea mays L.) Cultivars in Khoy Condition

MirHamid Aboutalebi; Abdollah Hasanzadeh Ghorttapeh; Amir Fayaz Moghadam DOAJ (DOAJ: Directory of Open Access Journals) 2020. doi:10.30495/jcep.2020.671642

Other claims from this paper (5)

Intervention effect Longer irrigation cycles decreased corn forage yield.
Intervention effect Longer irrigation cycles decreased ear leaf area and relative water content.
Observation Maxima524 used less water than the other two varieties.
Observation Maxima524 yielded equally to the other two varieties.
Recommendation The authors identify Maxima524 irrigated after 90 mm evaporation as a low-water option with optimal performance.

Associationobservedoriginal resultmeasured

Claim · model-written summary

In maize under elevated CO2, stomatal conductance starts to decrease at a lower FTSW threshold than in wheat (0.31 vs 0.40).

Taxon: maizeZea mayse5
Treatment: e[CO 2 ]e5
Outcome: g se6
Direction: starts to decreasee6
Value: 0.31 vs 0.40e6
Comparator: wheate5

Verbatim

e5
“After onset of progressive soil drying, maize plants in e[CO 2 ] showed lower FTSW thresholds than wheat”
✓ located verbatim in the source · abstract, characters 795–899

e6
“at which e.g. g s (0.31 vs 0.40) and leaf relative water content (0.21 vs 0.43) starts to decrease”
✓ located verbatim in the source · abstract, characters 901–999

Title

Elevated CO2 enhanced water use efficiency of wheat to progressive drought stress but not on maize

Qingjun Cao; Gang Li; Fulai Liu Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.953712

Other claims from this paper (12)

Intervention effect Under non-drought stress, elevated CO2 increased the net photosynthetic rate only in wheat.
Intervention effect Under non-drought stress, elevated CO2 increased dry matter accumulation in wheat and maize.
Intervention effect Under non-drought stress, elevated CO2 decreased stomatal conductance and water consumption.
Intervention effect Under non-drought stress, elevated CO2 enhanced WUE by 27.82% in maize.
Intervention effect Under non-drought stress, elevated CO2 enhanced WUE by 49.86% in wheat.
Association After onset of progressive soil drying, maize under elevated CO2 showed lower FTSW thresholds than wheat.
Association In maize under elevated CO2, leaf relative water content starts to decrease at a lower FTSW threshold than in wheat (0.21 vs 0.43).
Association The authors interpret elevated CO2 as conferring greater drought resistance in maize.
Association Under combined elevated CO2 and drought, enhanced WUE was found only in wheat.
Association Under combined elevated CO2 and drought, DMA increased in wheat.
Association Under combined elevated CO2 and drought, water consumption was unaffected in wheat.
Recommendation The authors recommend developing specific water management strategies to optimize crop WUE for different species under future drier, CO2-enriched conditions.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought significantly decreased chlorophyll content in maize landraces.

Taxon: maizeZea mayse2
Material: K-L 1 to K-L 70e2
Treatment: drought conditionse1
Outcome: chlorophyll contente1
Direction: decreasee1
Setting: Kashmire2

Not reportedComparator

Verbatim

e1
“A significant decrease in root and shoot traits, relative water content, cell membrane stability, chlorophyll content and a significant increase in canopy temperature was recorded under drought conditions”
✓ located verbatim in the source · abstract, characters 742–946

e2
“seventy maize landraces designated as K-L 1 to K-L 70 from Kashmir were evaluated for morpho-physiological traits”
✓ located verbatim in the source · abstract, characters 413–526

Title

Drought Stress-induced Impact on Morpho-physiological Traits in Maize Landraces of Kashmir

Latif Ahmad Peer; Zahoor A. Dar; Aijaz A. Lone; et al. Agricultural Science Digest - A Research Journal 2022. doi:10.18805/ag.d-5593

Other claims from this paper (3)

Intervention effect Drought significantly decreased root and shoot traits, relative water content and cell membrane stability in maize landraces.
Intervention effect Drought significantly increased canopy temperature in maize landraces.
Observation Some of the seventy maize landraces show desirable traits for drought tolerance.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased water use efficiency in maize line KS140 compared with well-watered plants.

Taxon: maizeZea mayse2
Material: line KS140e2
Organ / stage: V5 or V6 leaf stagee2
Treatment: withholding water for 10 dayse2
Outcome: water use efficiencye1
Direction: decreasee1
Comparator: well-watered plantse1

Verbatim

e2
“inbred maize (Zea mays L.) line KS140 was subjected to drought stress by withholding water for 10 days at the V5 or V6 leaf stage”
✓ located verbatim in the source · abstract, characters 135–264

e1
“Water-deficient plants experienced a decrease in relative leaf water content, stomatal conductance, net CO2 assimilation rate, and water use efficiency compared to well-watered plants”
✓ located verbatim in the source · abstract, characters 266–449

Title

Physiological and proteomic analysis of the response to drought stress in an inbred Korean maize line

Sang-Gon Kim; Lee Jinseok; Jung‐Tae Kim; et al. Plant Omics 2015

Other claims from this paper (14)

Intervention effect Drought decreased relative leaf water content, stomatal conductance and net CO2 assimilation rate in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced leaf area in maize line KS140 by 75% compared with well-watered plants.
Intervention effect Drought reduced aerial tissue dry matter by 64% in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced root dry matter by 56% in maize line KS140 compared with well-watered plants.
Intervention effect Leaf chlorophyll content was unchanged under drought in maize line KS140.
Intervention effect Twenty-nine protein spots were differentially expressed between well-watered and water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 24 were up-regulated in water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 5 were down-regulated in water-deficient maize plants.
Observation 34% of the identified proteins were involved in metabolism in drought-treated maize.
Observation 24% of the identified proteins were involved in response to stress in drought-treated maize.
Observation 14% of the identified proteins were involved in photosynthesis in drought-treated maize.
Observation 7% of the identified proteins were involved in protein modification in drought-treated maize.
Observation 14% of the identified proteins were of unknown function in drought-treated maize.
Intervention effect Two pathogenesis-related proteins, an abscisic stress-ripening protein and heat shock protein 1 were expressed only under drought in maize.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Leaf chlorophyll content was unchanged under drought in maize line KS140.

Taxon: maizeZea mayse2
Material: line KS140e2
Organ / stage: V5 or V6 leaf stagee2
Treatment: withholding water for 10 dayse2
Outcome: Leaf chlorophyll contente4
Direction: unchangede4
Comparator: well-watered plantse1

Verbatim

e2
“inbred maize (Zea mays L.) line KS140 was subjected to drought stress by withholding water for 10 days at the V5 or V6 leaf stage”
✓ located verbatim in the source · abstract, characters 135–264

e1
“Water-deficient plants experienced a decrease in relative leaf water content, stomatal conductance, net CO2 assimilation rate, and water use efficiency compared to well-watered plants”
✓ located verbatim in the source · abstract, characters 266–449

e4
“Leaf chlorophyll content was unchanged”
✓ located verbatim in the source · abstract, characters 665–703

Title

Physiological and proteomic analysis of the response to drought stress in an inbred Korean maize line

Sang-Gon Kim; Lee Jinseok; Jung‐Tae Kim; et al. Plant Omics 2015

Other claims from this paper (14)

Intervention effect Drought decreased relative leaf water content, stomatal conductance and net CO2 assimilation rate in maize line KS140 compared with well-watered plants.
Intervention effect Drought decreased water use efficiency in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced leaf area in maize line KS140 by 75% compared with well-watered plants.
Intervention effect Drought reduced aerial tissue dry matter by 64% in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced root dry matter by 56% in maize line KS140 compared with well-watered plants.
Intervention effect Twenty-nine protein spots were differentially expressed between well-watered and water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 24 were up-regulated in water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 5 were down-regulated in water-deficient maize plants.
Observation 34% of the identified proteins were involved in metabolism in drought-treated maize.
Observation 24% of the identified proteins were involved in response to stress in drought-treated maize.
Observation 14% of the identified proteins were involved in photosynthesis in drought-treated maize.
Observation 7% of the identified proteins were involved in protein modification in drought-treated maize.
Observation 14% of the identified proteins were of unknown function in drought-treated maize.
Intervention effect Two pathogenesis-related proteins, an abscisic stress-ripening protein and heat shock protein 1 were expressed only under drought in maize.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced leaf area in maize line KS140 by 75% compared with well-watered plants.

Taxon: maizeZea mayse2
Material: line KS140e2
Organ / stage: V5 or V6 leaf stagee2
Treatment: withholding water for 10 dayse2
Outcome: leaf areae3
Direction: decreasee3
Value: 75%e3
Comparator: well-watered plantse1

Verbatim

e2
“inbred maize (Zea mays L.) line KS140 was subjected to drought stress by withholding water for 10 days at the V5 or V6 leaf stage”
✓ located verbatim in the source · abstract, characters 135–264

e1
“Water-deficient plants experienced a decrease in relative leaf water content, stomatal conductance, net CO2 assimilation rate, and water use efficiency compared to well-watered plants”
✓ located verbatim in the source · abstract, characters 266–449

e3
“resulted in severe growth retardation (75% decrease in leaf area, and 64% and 56% decrease in aerial tissue and root dry matter, respectively)”
✓ located verbatim in the source · abstract, characters 521–663

Title

Physiological and proteomic analysis of the response to drought stress in an inbred Korean maize line

Sang-Gon Kim; Lee Jinseok; Jung‐Tae Kim; et al. Plant Omics 2015

Other claims from this paper (14)

Intervention effect Drought decreased relative leaf water content, stomatal conductance and net CO2 assimilation rate in maize line KS140 compared with well-watered plants.
Intervention effect Drought decreased water use efficiency in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced aerial tissue dry matter by 64% in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced root dry matter by 56% in maize line KS140 compared with well-watered plants.
Intervention effect Leaf chlorophyll content was unchanged under drought in maize line KS140.
Intervention effect Twenty-nine protein spots were differentially expressed between well-watered and water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 24 were up-regulated in water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 5 were down-regulated in water-deficient maize plants.
Observation 34% of the identified proteins were involved in metabolism in drought-treated maize.
Observation 24% of the identified proteins were involved in response to stress in drought-treated maize.
Observation 14% of the identified proteins were involved in photosynthesis in drought-treated maize.
Observation 7% of the identified proteins were involved in protein modification in drought-treated maize.
Observation 14% of the identified proteins were of unknown function in drought-treated maize.
Intervention effect Two pathogenesis-related proteins, an abscisic stress-ripening protein and heat shock protein 1 were expressed only under drought in maize.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced aerial tissue dry matter by 64% in maize line KS140 compared with well-watered plants.

Taxon: maizeZea mayse2
Material: line KS140e2
Organ / stage: V5 or V6 leaf stagee2
Treatment: withholding water for 10 dayse2
Outcome: aerial tissuee3
Direction: decreasee3
Value: 64%e3
Comparator: well-watered plantse1

Verbatim

e2
“inbred maize (Zea mays L.) line KS140 was subjected to drought stress by withholding water for 10 days at the V5 or V6 leaf stage”
✓ located verbatim in the source · abstract, characters 135–264

e1
“Water-deficient plants experienced a decrease in relative leaf water content, stomatal conductance, net CO2 assimilation rate, and water use efficiency compared to well-watered plants”
✓ located verbatim in the source · abstract, characters 266–449

e3
“resulted in severe growth retardation (75% decrease in leaf area, and 64% and 56% decrease in aerial tissue and root dry matter, respectively)”
✓ located verbatim in the source · abstract, characters 521–663

Title

Physiological and proteomic analysis of the response to drought stress in an inbred Korean maize line

Sang-Gon Kim; Lee Jinseok; Jung‐Tae Kim; et al. Plant Omics 2015

Other claims from this paper (14)

Intervention effect Drought decreased relative leaf water content, stomatal conductance and net CO2 assimilation rate in maize line KS140 compared with well-watered plants.
Intervention effect Drought decreased water use efficiency in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced leaf area in maize line KS140 by 75% compared with well-watered plants.
Intervention effect Drought reduced root dry matter by 56% in maize line KS140 compared with well-watered plants.
Intervention effect Leaf chlorophyll content was unchanged under drought in maize line KS140.
Intervention effect Twenty-nine protein spots were differentially expressed between well-watered and water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 24 were up-regulated in water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 5 were down-regulated in water-deficient maize plants.
Observation 34% of the identified proteins were involved in metabolism in drought-treated maize.
Observation 24% of the identified proteins were involved in response to stress in drought-treated maize.
Observation 14% of the identified proteins were involved in photosynthesis in drought-treated maize.
Observation 7% of the identified proteins were involved in protein modification in drought-treated maize.
Observation 14% of the identified proteins were of unknown function in drought-treated maize.
Intervention effect Two pathogenesis-related proteins, an abscisic stress-ripening protein and heat shock protein 1 were expressed only under drought in maize.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced root dry matter by 56% in maize line KS140 compared with well-watered plants.

Taxon: maizeZea mayse2
Material: line KS140e2
Organ / stage: V5 or V6 leaf stagee2
Treatment: withholding water for 10 dayse2
Outcome: root dry mattere3
Direction: decreasee3
Value: 56%e3
Comparator: well-watered plantse1

Verbatim

e2
“inbred maize (Zea mays L.) line KS140 was subjected to drought stress by withholding water for 10 days at the V5 or V6 leaf stage”
✓ located verbatim in the source · abstract, characters 135–264

e1
“Water-deficient plants experienced a decrease in relative leaf water content, stomatal conductance, net CO2 assimilation rate, and water use efficiency compared to well-watered plants”
✓ located verbatim in the source · abstract, characters 266–449

e3
“resulted in severe growth retardation (75% decrease in leaf area, and 64% and 56% decrease in aerial tissue and root dry matter, respectively)”
✓ located verbatim in the source · abstract, characters 521–663

Title

Physiological and proteomic analysis of the response to drought stress in an inbred Korean maize line

Sang-Gon Kim; Lee Jinseok; Jung‐Tae Kim; et al. Plant Omics 2015

Other claims from this paper (14)

Intervention effect Drought decreased relative leaf water content, stomatal conductance and net CO2 assimilation rate in maize line KS140 compared with well-watered plants.
Intervention effect Drought decreased water use efficiency in maize line KS140 compared with well-watered plants.
Intervention effect Drought reduced leaf area in maize line KS140 by 75% compared with well-watered plants.
Intervention effect Drought reduced aerial tissue dry matter by 64% in maize line KS140 compared with well-watered plants.
Intervention effect Leaf chlorophyll content was unchanged under drought in maize line KS140.
Intervention effect Twenty-nine protein spots were differentially expressed between well-watered and water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 24 were up-regulated in water-deficient maize plants.
Intervention effect Of the differentially expressed protein spots, 5 were down-regulated in water-deficient maize plants.
Observation 34% of the identified proteins were involved in metabolism in drought-treated maize.
Observation 24% of the identified proteins were involved in response to stress in drought-treated maize.
Observation 14% of the identified proteins were involved in photosynthesis in drought-treated maize.
Observation 7% of the identified proteins were involved in protein modification in drought-treated maize.
Observation 14% of the identified proteins were of unknown function in drought-treated maize.
Intervention effect Two pathogenesis-related proteins, an abscisic stress-ripening protein and heat shock protein 1 were expressed only under drought in maize.

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“decrease in relative water content”

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