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“decrease in relative water content”

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Organism: Medicago sativa ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought-stressed alfalfa plants showed a significant decrease in relative water content of 7.45%.

Taxon: alfalfaMedicago sativae0
Treatment: drought-stressede0
Outcome: relative water contente0
Direction: decreasee0
Value: 7.45%e0

Not reportedComparator

Verbatim

e0
“In drought-stressed alfalfa plants, we observed a significant decrease in the relative water content (7.45%)”
✓ located verbatim in the source · abstract, characters 949–1057

Title

Phosphate-Solubilizing Enterobacter ludwigii AFFR02 and Bacillus megaterium Mj1212 Rescues Alfalfa’s Growth under Post-Drought Stress

Sang-Mo Kang; Muhammad-Aaqil Khan; Muhammad Hamayun; et al. Agriculture 2021. doi:10.3390/agriculture11060485

Other claims from this paper (19)

Intervention effect Drought stress decreased alfalfa shoot length by 24.88%.
Intervention effect Drought stress decreased alfalfa root length by 29.62%.
Intervention effect Drought stress decreased alfalfa shoot fresh weight by 49.62%.
Intervention effect Drought stress decreased alfalfa root fresh weight by 45.09%.
Intervention effect Drought stress decreased alfalfa stalk diameter by 52.84%.
Intervention effect Drought stress decreased alfalfa chlorophyll content by 19.2%.
Intervention effect Bacterial inoculation significantly recovered alfalfa shoot length by 12.42% under drought stress.
Intervention effect Bacterial inoculation significantly recovered alfalfa root length by 21.30% under drought stress.
Intervention effect Bacterial inoculation significantly recovered alfalfa shoot fresh weight by 50.74% under drought stress.
Intervention effect Bacterial inoculation significantly recovered alfalfa root fresh weight by 46.42% under drought stress.
Intervention effect Bacterial inoculation significantly recovered alfalfa stalk diameter by 76.72% under drought stress.
Intervention effect Bacterial inoculation significantly recovered alfalfa chlorophyll content by 17.98% under drought stress.
Intervention effect Drought-stressed alfalfa plants showed an increase in electrical conductivity of 68.87%.
Intervention effect Drought-stressed alfalfa plants showed an increase in abscisic acid contents of 164.42%.
Intervention effect Total phenolic content (46.08%) and DPPH-scavenging activity (39.66%) increased significantly in alfalfa treated with drought stress and the bacterial isolates.
Intervention effect Total flavonoid (13.68%) and superoxide dismutase (28.51%) increased in alfalfa treated with drought stress and the bacterial isolates.
Intervention effect Potassium (17.98%) and phosphorous (11.14%) increased in bacteria-inoculated alfalfa plants under drought stress.
Intervention effect Calcium (3.07%) and magnesium (6.71%) increased in bacteria-inoculated alfalfa plants under drought stress.
Recommendation The authors propose that the isolates could be used as potential candidates in smart-climate agricultural practices in drought-stricken areas.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced relative water content.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: relative water contente0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increased salinity resulted in a significant decrease in shoot and root biomass, relative water content and water potential.”
✓ located verbatim in the source · abstract, characters 395–519

t0
“alfalfa”
✓ located verbatim in the source · title, characters 75–82

Title

Effects of salinity and nitrogen source on growth and nitrogen fixation in alfalfa

Rachid Serraj; Jean‐Jacques Drevon Journal of Plant Nutrition 1998. doi:10.1080/01904169809365525

Other claims from this paper (10)

Intervention effect Increasing salinity significantly reduced alfalfa shoot biomass.
Intervention effect Increasing salinity significantly reduced alfalfa root biomass.
Intervention effect Increasing salinity significantly reduced water potential.
Observation Salt inhibited shoot growth more than root biomass.
Intervention effect Nitrate-fed plants were slightly less affected by salt than nitrogen-fixing plants.
Intervention effect Salt substantially inhibited nitrogenase activity.
Association Inhibition of nitrogenase activity was significantly correlated with inhibition of shoot growth.
Association Inhibition of nitrogenase activity was significantly correlated with total nitrogen contents.
Intervention effect Salt exposure significantly increased critical oxygen pressure of nodules.
Mechanism Salt decreased oxygen diffusion permeability of alfalfa nodules.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Water deficit significantly decreased leaf relative water content and leaf water potential in all cultivars.

Taxon: Medicago sativaMedicago sativat0
Treatment: water deficite1
Outcome: leaf relative water content and leaf water potentiale0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Medicago sativa”
✓ located verbatim in the source · title, characters 58–73

e0
“led to a significant decrease in leaf relative water content and leaf water potential”
✓ located verbatim in the source · abstract, characters 510–595

e1
“In all cultivars, water deficit stress reduced the whole plant growth”
✓ located verbatim in the source · abstract, characters 401–470

Title

Differential response to water deficit stress in alfalfa (Medicago sativa) cultivars: Growth, water relations, osmolyte accumulation and lipid peroxidation

Inès Slama AFRICAN JOURNAL OF BIOTECHNOLOGY 2011. doi:10.5897/ajb11.1202

Other claims from this paper (9)

Intervention effect Water deficit reduced whole plant growth in all cultivars.
Intervention effect Water deficit increased root/shoot DW ratio in all cultivars.
Intervention effect Proline and soluble sugar concentrations increased significantly under water deficit in most cultivars.
Observation Tamantit showed the best tolerance to water deficit.
Observation Under stress, Tamantit produced more biomass than other cultivars.
Observation Tamantit had preferential root development.
Observation Tamantit had better ability to accumulate proline and soluble sugars.
Observation Tamantit protected its photosynthetic apparatus against oxidative stress associated with water deficit.
Observation Ecotipo Siciliano was the most sensitive cultivar.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Heat reduced relative water content and increased MDA and ion leakage in alfalfa leaves.

Taxon: alfalfaMedicago sativae0
Treatment: heat stresse0
Outcome: relative water contente0
Direction: decreasee0
Comparator: room temperaturee0

Verbatim

e0
“Compared to seedlings under room temperature,significant decrease of relative water content and increase of MDA content and ion leakage in alfalfa leaves occurred after 2 days of heat stress”
✓ located verbatim in the source · abstract, characters 1216–1406

Title

The Effects of Temperature Stress on Photosynthesis and Nitrogen Reduction of Alfalfa and Guyana Stylosanthes

Yiwei Mo 2008

Other claims from this paper (19)

Intervention effect Heat increased MDA content and ion leakage in alfalfa leaves.
Intervention effect Cold did not significantly change these alfalfa leaf injury indices over five days.
Observation Guyana stylosanthes maintained high water content and low injury indices under heat.
Intervention effect Cold significantly increased MDA and ion leakage in Guyana stylosanthes.
Intervention effect Both temperature stresses increased sugars and sucrose enzyme activities in both legumes, more under cold stress.
Intervention effect Cold and heat decreased starch in both legumes, with the lowest level under cold stress.
Intervention effect Photosynthesis decreased in both legumes under heat and cold.
Intervention effect Alfalfa photosynthesis decreased more under heat than cold.
Intervention effect Guyana stylosanthes photosynthesis decreased more under cold than heat.
Intervention effect Alfalfa fluorescence parameters fell strongly under heat and slightly under cold.
Intervention effect Guyana stylosanthes fluorescence parameters fell strongly under cold, with no heat effect.
Intervention effect Heat greatly decreased chloroplast ATP synthase activity and ATP content in alfalfa.
Intervention effect Cold decreased ATP in Guyana stylosanthes, whereas heat did not.
Intervention effect Both stresses decreased RuBPcase and FBPase activity in both legumes.
Intervention effect Heat greatly decreased nitrogen assimilation enzyme activities in alfalfa leaves.
Intervention effect Cold greatly decreased nitrogen assimilation enzyme activities in Guyana stylosanthes.
Intervention effect Temperature stress accumulated nitrate and ammonium nitrogen in both legumes, with higher levels under heat.
Mechanism Authors attribute nitrate and ammonium accumulation to lower reductase activity.
Mechanism Authors link photosystem II injury to impaired photophosphorylation, ATP supply, photosynthesis and nitrogen assimilation.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced water potential.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: water potentiale0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increased salinity resulted in a significant decrease in shoot and root biomass, relative water content and water potential.”
✓ located verbatim in the source · abstract, characters 395–519

t0
“alfalfa”
✓ located verbatim in the source · title, characters 75–82

Title

Effects of salinity and nitrogen source on growth and nitrogen fixation in alfalfa

Rachid Serraj; Jean‐Jacques Drevon Journal of Plant Nutrition 1998. doi:10.1080/01904169809365525

Other claims from this paper (10)

Intervention effect Increasing salinity significantly reduced alfalfa shoot biomass.
Intervention effect Increasing salinity significantly reduced alfalfa root biomass.
Intervention effect Increasing salinity significantly reduced relative water content.
Observation Salt inhibited shoot growth more than root biomass.
Intervention effect Nitrate-fed plants were slightly less affected by salt than nitrogen-fixing plants.
Intervention effect Salt substantially inhibited nitrogenase activity.
Association Inhibition of nitrogenase activity was significantly correlated with inhibition of shoot growth.
Association Inhibition of nitrogenase activity was significantly correlated with total nitrogen contents.
Intervention effect Salt exposure significantly increased critical oxygen pressure of nodules.
Mechanism Salt decreased oxygen diffusion permeability of alfalfa nodules.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced alfalfa shoot biomass.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: shoote0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increased salinity resulted in a significant decrease in shoot and root biomass, relative water content and water potential.”
✓ located verbatim in the source · abstract, characters 395–519

t0
“alfalfa”
✓ located verbatim in the source · title, characters 75–82

Title

Effects of salinity and nitrogen source on growth and nitrogen fixation in alfalfa

Rachid Serraj; Jean‐Jacques Drevon Journal of Plant Nutrition 1998. doi:10.1080/01904169809365525

Other claims from this paper (10)

Intervention effect Increasing salinity significantly reduced alfalfa root biomass.
Intervention effect Increasing salinity significantly reduced relative water content.
Intervention effect Increasing salinity significantly reduced water potential.
Observation Salt inhibited shoot growth more than root biomass.
Intervention effect Nitrate-fed plants were slightly less affected by salt than nitrogen-fixing plants.
Intervention effect Salt substantially inhibited nitrogenase activity.
Association Inhibition of nitrogenase activity was significantly correlated with inhibition of shoot growth.
Association Inhibition of nitrogenase activity was significantly correlated with total nitrogen contents.
Intervention effect Salt exposure significantly increased critical oxygen pressure of nodules.
Mechanism Salt decreased oxygen diffusion permeability of alfalfa nodules.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced alfalfa root biomass.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: root biomasse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increased salinity resulted in a significant decrease in shoot and root biomass, relative water content and water potential.”
✓ located verbatim in the source · abstract, characters 395–519

t0
“alfalfa”
✓ located verbatim in the source · title, characters 75–82

Title

Effects of salinity and nitrogen source on growth and nitrogen fixation in alfalfa

Rachid Serraj; Jean‐Jacques Drevon Journal of Plant Nutrition 1998. doi:10.1080/01904169809365525

Other claims from this paper (10)

Intervention effect Increasing salinity significantly reduced alfalfa shoot biomass.
Intervention effect Increasing salinity significantly reduced relative water content.
Intervention effect Increasing salinity significantly reduced water potential.
Observation Salt inhibited shoot growth more than root biomass.
Intervention effect Nitrate-fed plants were slightly less affected by salt than nitrogen-fixing plants.
Intervention effect Salt substantially inhibited nitrogenase activity.
Association Inhibition of nitrogenase activity was significantly correlated with inhibition of shoot growth.
Association Inhibition of nitrogenase activity was significantly correlated with total nitrogen contents.
Intervention effect Salt exposure significantly increased critical oxygen pressure of nodules.
Mechanism Salt decreased oxygen diffusion permeability of alfalfa nodules.

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