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“dry weight decrease”

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Organism: Hordeum vulgare ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

boric acid significant decrease shoot length and dry weight of shoot ,root systems

Taxon: barleyHordeum vulgaret0
Treatment: boric acide0
Outcome: shoot length and dry weight of shoot ,root systemse0
Direction: significant decreasee0
Comparator: the other treatmentse0

Verbatim

t0
“barley plant”
✓ located verbatim in the source · title, characters 79–91

e0
“Vhile the results showed that when soil treated with boric acid lead to significant decrease in shoot length and dry weight of shoot ,root systems, chlorophyll a,b content of leaves and cell membrane stability and increase in protein concentrations of shoot and root systems by decreasing potassium and magnesium of shoot and root systems as compared with the other treatments”
✓ located verbatim in the source · abstract, characters 784–1160

Title

Effect of some mineral nutrients in growth and some physiological variables in barley plant

Faeza Mahmood; Hussain Mohammed; Farah Salih Mağallaẗ al-tarbiyaẗ wa-al-ʻilm 2007. doi:10.33899/edusj.2007.162807

Other claims from this paper (6)

Intervention effect calcium chloride increasing shoot length and its dry weight, root length
Intervention effect calcium chloride increasing leaves content of protein and carbohydrate
Intervention effect calcium chloride increasing calcium, magnesium, potassium concentrations
Intervention effect boric acid significant decrease chlorophyll a,b content of leaves and cell membrane stability
Intervention effect boric acid increase protein concentrations of shoot and root systems
Intervention effect boric acid decreasing potassium and magnesium of shoot and root systems

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Induced water deficit in 10-day barley seedlings decreased leaf dry weight within 28 hours.

Taxon: barleyHordeum vulgaree0
Organ / stage: leafe0
Treatment: induced water deficite0
Outcome: leaf dry weighte0
Direction: decreasee0
Qualifier: within a 28-hr periode0

Not reportedComparator

Verbatim

e0
“An induced water deficit in lO-day barley seedlings resulted in a decrease in leaf dry weight within a 28-hr period”
✓ located verbatim in the source · abstract, characters 0–115

Title

Stress Metabolism I. Nitrogen Metabolism and Growth in the Barley Plant During Water Stress

TN Singh; IG Paleg; D Aspinall Australian Journal of Biological Sciences 1973. doi:10.1071/bi9730045

Other claims from this paper (3)

Intervention effect Shoot and root weight of water-deficit barley seedlings continued to increase.
Intervention effect Water deficit inhibited primordium formation and apex elongation on the main shoot of barley.
Intervention effect Floral development at the apex of water-deficit barley seedlings continued.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Slight drought caused no statistically significant decline in shoot dry weight.

Taxon: Hordeum vulgare L.Hordeum vulgaret0
Treatment: slight droughte0
Outcome: shoot dry weighe0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Hordeum vulgare L.”
✓ located verbatim in the source · title, characters 24–42

e0
“No statistically significant decrease in shoot dry weigh was detected after slight drought”
✓ located verbatim in the source · abstract, characters 898–988

Title

Differences between C3 (Hordeum vulgare L.) and C4 (Panicum miliaceum L.) plants with respect to their resistance to water deficit.

Giedrė Vitkauskaitė; L. Venskaitytė Zemdirbyste-Agriculture 2011

Other claims from this paper (10)

Intervention effect Slight drought reduced barley height by 5.0% of control.
Intervention effect Severe drought reduced barley height by 15.4% of control.
Intervention effect Slight drought reduced millet height by 18.7%.
Intervention effect Severe drought reduced millet height by 28.9%.
Intervention effect Strong drought reduced barley shoot dry biomass by 12.7%.
Intervention effect Strong drought reduced millet shoot dry biomass by 17.7%.
Association Millet photosynthetic rate was less affected by drought than barley.
Association Millet had lower stomatal conductance, transpiration, intercellular CO2 and lipid peroxidation than barley.
Association Millet had higher water use efficiency than barley.
Association Barley growth and photosynthetic rate recovered better during re-watering than millet.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Polymetals reduced barley root dry weight.

Taxon: BarleyHordeum vulgaret0
Organ / stage: rootse0
Treatment: polymetalse0
Outcome: dry weight of rootse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in the dry weight of roots, water content, and the proportion of the cell wall in them was observed under the influence of polymetals”
✓ located verbatim in the source · abstract, characters 245–389

t0
“Barley”
✓ located verbatim in the source · title, characters 102–108

Title

Influence of Brassinosteroids on the Ion-Exchange Properties of the Cell Walls of Roots and Shoots of Barley Against the Background of the Action of Heavy Metals

N. R. Meichik; Yu. I. Nikolaeva; M. V. Efimova; et al. Russian Journal of Plant Physiology 2023. doi:10.1134/s1021443722602385

Other claims from this paper (10)

Intervention effect Polymetals reduced barley root water content.
Intervention effect Polymetals reduced the proportion of cell wall in roots.
Intervention effect Homocastasterone restored root dry weight nearly to control.
Intervention effect Homocastasterone restored root water content nearly to control.
Intervention effect Homocastasterone restored the root cell-wall proportion nearly to control.
Intervention effect Polymetals only weakly affected the aerial-part parameters.
Intervention effect Brassinosteroids only weakly affected the aerial-part parameters.
Intervention effect Homocastasterone increased demethylated carboxyl groups in root cell-wall pectins.
Intervention effect Homocastasterone increased demethylated carboxyl groups in leaf cell-wall pectins.
Mechanism The authors suggest homocastasterone changes cell-wall ion-exchange properties to reduce polymetal toxicity through apoplastic immobilization.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought significantly reduced mean germplasm dry weight from 746.90 mg to 285.40 mg.

Taxon: barleyHordeum vulgaret0
Treatment: droughte1
Outcome: average dry weighte0
Direction: decreasee0
Value: 285.40 mge0
Qualifier: 746.90 mge0

Not reportedComparator

Verbatim

e0
“a significant decrease in average dry weight of the tested germplasm resources (from 746.90 mg to 285.40 mg)”
✓ located verbatim in the source · abstract, characters 340–448

e1
“rich variation in the responses of dry weight among each genotype to drought (CV=61.14%)”
✓ located verbatim in the source · abstract, characters 453–541

t0
“barley genotypes”
✓ located verbatim in the source · title, characters 14–30

Title

Evaluation of barley genotypes for drought adaptability: based on stress indices and comprehensive evaluation as criteria

Ruijiao Song; Peichun Shi; Li Xiang; et al. Frontiers in Plant Science 2024. doi:10.3389/fpls.2024.1436872

Other claims from this paper (11)

Observation Genotypes varied in their dry-weight responses to drought, with CV 61.14%.
Observation Traditional drought indices varied across genotypes, with CV above 30%.
Method / resource Traditional indices explained dry weight to varying degrees and did not clearly distinguish drought adaptability.
Method / resource Four new stress indices were developed to quantify barley seedling production and stability.
Method / resource SI explained stress-condition dry weight more comprehensively than traditional stress indices, with R² 0.98.
Method / resource II explained non-stress dry weight better than traditional indices, with R² 0.89.
Method / resource PI eliminated disparities in traditional stress indices and clarified the contribution of elasticity and potential.
Method / resource EI eliminated disparities in traditional stress indices and clarified the contribution of elasticity and potential.
Method / resource Grading and cluster analysis effectively categorized the germplasm.
Observation Eleven genotypes were identified as suitable for arid-area cultivation.
Method / resource The new comprehensive evaluation method surpassed the traditional method for screening crop drought adaptability.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Glyphosate at 3 mg l −1 decreased shoot dry weight of barley seedlings by 23%.

Taxon: barley seedlingsHordeum vulgaree0
Organ / stage: shoote2
Treatment: 3 mg l −1e2
Outcome: shoot dry wte2
Direction: decreasee2
Value: 23 %e2

Not reportedComparator

Verbatim

e0
“toxicity of glyphosate to barley seedlings when applied to the entire root system in water culture”
✓ located verbatim in the source · abstract, characters 13–111

e2
“3 mg l −1 caused a 23 % decrease in shoot dry wt”
✓ located verbatim in the source · abstract, characters 184–232

Title

TOXICITY OF GLYPHOSATE APPLIED TO ROOTS OF BARLEY SEEDLINGS

D. J. PENN; J. M. LYNCH New Phytologist 1982. doi:10.1111/j.1469-8137.1982.tb03240.x

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing salinity reduced barley dry matter weight.

Taxon: barleyHordeum vulgaree1
Treatment: all salinity treatmentse0
Outcome: dry matter weightse0
Direction: decreasee2
Comparator: distilled watere3

Verbatim

e0
“dry matter weights at the all salinity treatments as compared with distilled water at a control treatment”
✓ located verbatim in the source · abstract, characters 515–620

e1
“barley plant ( local variety )”
✓ located verbatim in the source · abstract, characters 252–282

e2
“increase on the salt concentration levels causing a gradual decrease on the growth of plant”
✓ located verbatim in the source · abstract, characters 338–429

e3
“as compared with distilled water at a control treatment”
✓ located verbatim in the source · abstract, characters 565–620

Title

Effect of Sodium chloride concentrations on the Growth and Some Organic Chemical Compounds of Barley Hordeum vulgaris L.

Ahmed Athbi University of Thi-Qar Journal of Science 2019. doi:10.32792/utq/utjsci/vol2/3/5

Other claims from this paper (5)

Intervention effect Increasing salt concentration gradually reduced barley stem height from 11.5 to 4.3 cm.
Intervention effect Increasing salt concentration reduced barley water content from 87.6 to 85.0%.
Intervention effect Salinity raised barley carbohydrate concentration from 1.5 to 2.5 g/gm.
Intervention effect Salinity raised barley protein concentration from 12.3 to 15 g/gm.
Intervention effect Salinity raised barley proline concentration from 7.8 to 12.4 g/gm.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water stress reduced barley dry weight.

Taxon: barleyHordeum vulgaree0
Treatment: water-stressed plantse2
Outcome: dry weighte2
Direction: reductione2

Not reportedComparator

Verbatim

e0
“barley (Hordeum vulgare L. cv. Rihane-03) exposed to drought stress”
✓ located verbatim in the source · abstract, characters 101–168

e2
“A remarkable reduction in dry weight of water-stressed plants was associated with significant decrease in maximal efficiency of PSII (Fv/Fm), stomatal conductance (gs) and net CO2 assimilation rate (A)”
✓ located verbatim in the source · abstract, characters 334–535

Title

Effect of drought stress and selenium spraying on photosynthesis and antioxidant activity of spring barley

Ghader HABIBI Acta agriculturae Slovenica 2013. doi:10.14720/aas.2013.101.1.14943

Other claims from this paper (8)

Intervention effect Foliar selenium at 30 g ha-1 increased shoot dry weight and relative water content in well-watered barley.
Intervention effect Drought stress decreased maximal PSII efficiency, stomatal conductance and net CO2 assimilation rate in barley.
Intervention effect Drought stress increased antioxidant enzyme activity in barley.
Intervention effect Selenium-supplemented water-deficit barley kept malondialdehyde and hydrogen peroxide contents unchanged.
Observation Selenium-supplemented water-deficit barley showed significantly enhanced catalase and glutathione peroxidase activities.
Intervention effect Selenium-supplemented water-deficit barley showed better protection from oxidative damage.
Observation Selenium did not significantly affect dry matter accumulation of barley under drought stress.
Recommendation Selenium application is recommended for arid and semiarid regions.

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

Until day 17, increased shoot weight nearly equalled decreased ear weight after floret removal.

Taxon: barleyHordeum vulgaret0
Outcome: weight of the shoot of the plante0
Direction: increasee0
Qualifier: nearly equalled the decrease in ear weighte0

Verbatim

e0
“until then the increase in weight of the shoot of the plant nearly equalled the decrease in ear weight”
✓ located verbatim in the source · abstract, characters 190–292

e1
“17 days after the ears emerged”
✓ located verbatim in the source · abstract, characters 154–184

t0
“The Effect of Removing Florets or Shading the Ear of Barley on Production and Distribution of Dry Matter”
✓ located verbatim in the source · title, characters 0–104

Title

The Effect of Removing Florets or Shading the Ear of Barley on Production and Distribution of Dry Matter

J. NÕSBERGER; GILLIAN N. THORNE Annals of Botany 1965. doi:10.1093/oxfordjournals.aob.a083977

Other claims from this paper (11)

Intervention effect Removing half the barley florets increased dry weight of the rest of the plant.
Observation The dry weight effect of floret removal was greatest 17 days after ear emergence.
Observation Later, shoot weight differences between 24 and 12 florets per ear disappeared.
Mechanism The authors attributed the later disappearance of shoot differences to respiration of extra labile carbohydrate.
Observation Floret removal had similar effects in unshaded plants and plants with shaded ears or shoots.
Intervention effect Removing florets did not affect barley net assimilation rate.
Intervention effect Removing florets slightly increased flag-leaf photosynthesis 10 to 17 days after ear emergence.
Intervention effect Shading the ear decreased weight of the rest of the plant.
Intervention effect Shading decreased ear weight at every sampling, especially little when florets were removed.
Mechanism The authors conclude that ear sink size affects carbohydrate movement from the shoot.
Method / resource The result invalidates some methods for estimating ear photosynthesis.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Root rot infection significantly decreased root and shoot length and fresh and dry weight in wheat and barley versus healthy plants.

Taxon: Wheat and BarleyHordeum vulgare Triticum aestivumt0
Treatment: infectede0
Interactor: Rhizoctonia solaniRhizoctonia solanit0pathogen
Outcome: length, fresh and dry weight of roots and shootse0
Direction: decreasee0
Comparator: healthy plantse0

Verbatim

e0
“There was a significant decrease in the growth and yield of infected plants compared with healthy plants, in particular the length, fresh and dry weight of roots and shoots, and the number of grains for each spike.”
✓ located verbatim in the source · abstract, characters 300–514

t0
“Wheat and Barley Induced by Rhizoctonia solani and Fusarium culmorum”
✓ located verbatim in the source · title, characters 37–105

Title

Pathological Studies on Root Rots of Wheat and Barley Induced by Rhizoctonia solani and Fusarium culmorum and their Effects on the Crop

Amira H. Alabdalall 2008

Other claims from this paper (6)

Intervention effect Root rot infection significantly decreased grains per spike in wheat and barley.
Observation Both fungi damaged wheat more than barley.
Observation R. solani had the greatest effect on growth and yield in wheat and barley.
Intervention effect Infection decreased total carbohydrate content by 23.28-45.68%.
Intervention effect Infection decreased protein content by 0.55-26.22%.
Intervention effect Infection decreased fat content by 28.45-59.94%.

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“dry weight decrease”

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