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“dry weight decrease”

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Organism: Hordeum vulgare ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Infected barley plants had significantly reduced root and shoot length and fresh and dry weights relative to healthy plants.

Taxon: barleyHordeum vulgaree0
Material: cv. Gustuoe0
Treatment: soil artificially infected with R. solani, F. culmorum and F. oxysporume0
Interactor: R. solaniRhizoctonia solanie0pathogen
Outcome: length, fresh and dry weight of roots and shootse0
Direction: decreasee0
Qualifier: F. culmorum and F. oxysporume0
Comparator: healthy plantse0

Verbatim

e0
“Wheat cv. Yecorarogo and barley cv. Gustuo were planted in soil artificially infected with R. solani, F. culmorum and F. oxysporum. There was a significant decrease in the growth and yield parameters (the length, fresh and dry weight of roots and shoots, and the number of grains for each spike) of infected plants compared with healthy plants.”
✓ located verbatim in the source · abstract, characters 185–529

Title

Assessment of yield loss caused by root rots in wheat and barley

Amira H. Alabdalall Journal of Food Agriculture & Environment 2010

Other claims from this paper (8)

Intervention effect Infected wheat plants had significantly reduced root and shoot length and fresh and dry weights relative to healthy plants.
Intervention effect Infection significantly decreased grains per spike in wheat and barley.
Observation The fungi generally damaged wheat more than barley.
Observation R. solani had the greatest growth and yield effect on wheat and barley.
Observation F. oxysporum had the greatest effect on biochemical compound content in all infection cases.
Intervention effect Total carbohydrates decreased by 23.28-82.77 after infection.
Intervention effect Proteins decreased by 0.55-76.62 after infection.
Intervention effect Fats decreased by 28.45-79.25% after infection.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Soil cadmium significantly decreased leaf area index, chlorophyll content and 1000 seed weight of barley in Tehran.

Taxon: barleyHordeum vulgaree0
Treatment: soil Cde2
Outcome: leaf area index (LAI), chlorophyll content, 1000 seed weighte2
Direction: decreasee2
Setting: Tehran, Irane1

Not reportedComparator

Verbatim

e0
“effect of arbuscular mycorrhizal fungi (AMF) on the agronomic, physiological, and biochemical parameters of barley (Hordeum vulgare L.)”
✓ located verbatim in the source · abstract, characters 13–148

e1
“an experiment was carried out in Tehran, Iran for two seasons”
✓ located verbatim in the source · abstract, characters 189–250

e2
“soil Cd caused a significant decrease in leaf area index (LAI), chlorophyll content, 1000 seed weight, and total dry mass per plant”
✓ located verbatim in the source · abstract, characters 276–407

Title

ARBUSCULAR MYCORRHIZAL FUNGI USED TO SUPPORT IRANIAN BARLEY CULTIVATED ON CADMIUM CONTAMINATED SOILS (Hordeum vulgare L.)

H. KESHAVARZ; S.J. HOSSEINI; M.M. SEDIBE; et al. Applied Ecology and Environmental Research 2022. doi:10.15666/aeer/2001_043053

Other claims from this paper (10)

Intervention effect Soil cadmium significantly decreased total dry mass per barley plant.
Intervention effect Soil cadmium increased proline content, superoxide dismutase and catalase enzyme activity in barley.
Intervention effect Arbuscular mycorrhizal fungi significantly reduced the adverse effects of cadmium on barley.
Intervention effect Arbuscular mycorrhizal fungi increased barley yield.
Intervention effect Arbuscular mycorrhizal fungi decreased proline content and leaf antioxidant activity in barley.
Intervention effect Mycorrhizal fungi had a positive mitigating effect on plant height, 1000 seed weight and chlorophyll contents of barley.
Intervention effect Mycorrhizal fungi had a positive mitigating effect on proline, LAI and root AMF colonization in barley.
Intervention effect Mycorrhizal fungi had a positive mitigating effect on foliar cadmium, catalase and peroxidase in barley.
Intervention effect Mycorrhizal fungi had a positive mitigating effect on superoxide dismutase in barley.
Recommendation Arbuscular mycorrhizal fungi have potential to mitigate the effects of cadmium pollution on soil.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing salinity progressively reduced barley height, tillers and shoot weights.

Taxon: barley plantsHordeum vulgaret0
Treatment: salinity stresse0
Outcome: plant height, number of tillers/plant, fresh and dry weight of shoot/plante0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“salinity stress resulted in reduced growth parameters (plant height, number of tillers/plant, fresh and dry weight of shoot/plant) associated with a decrease in yield components”
✓ located verbatim in the source · abstract, characters 387–564

t0
“barley plants”
✓ located verbatim in the source · title, characters 101–114

Title

Effect of Salinity and ascorbic acid treatments on growth, yield and antioxidant enzymes activity of barley plants

Karima Hamid; Abeer Mustafa; Hanaa Salem; et al. Al-Azhar Journal of Agricultural Research 2024. doi:10.21608/ajar.2024.260498.1321

Other claims from this paper (7)

Intervention effect Salinity reduced spike weight, spike length and grains per spike.
Intervention effect Salinity reduced weight of 100 grains.
Intervention effect Salinity significantly increased peroxidase, polyphenol oxidase and superoxide dismutase.
Intervention effect Salinity significantly increased catalase.
Intervention effect Foliar ascorbic acid significantly increased barley growth parameters.
Intervention effect Foliar ascorbic acid significantly increased barley yield and components.
Intervention effect Foliar ascorbic acid significantly increased antioxidant enzyme activity.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Stem plus leaf sheath weight in no-ear barley decreased to the same extent as controls.

Taxon: barleyHordeum vulgaree0
Treatment: no-eare0
Outcome: weight of stem plus leaf sheathe1
Direction: decreasede0
Comparator: control plantse0

Verbatim

e0
“the weight in the no-ear barley decreased to the same extent as in the control plants”
✓ located verbatim in the source · abstract, characters 693–778

e1
“the weight of stem plus leaf sheath did not decrease until the maturation stage in the no-ear wheat”
✓ located verbatim in the source · abstract, characters 592–691

Title

Effects of Ear Removal on Dry Matter Production and Its Partitioning in Wheat and Barley.

Kano KOIDE; Kuni ISHIHARA Japanese Journal of Crop Science 1992. doi:10.1626/jcs.61.651

Other claims from this paper (10)

Intervention effect Ear removal did not produce a significant difference in total dry weight in wheat and barley through harvest.
Intervention effect Ear removal increased weights of leaf blade, leaf sheath and roots in wheat and barley.
Intervention effect Ear removal increased weights of stem and late tillers in wheat and barley.
Observation Stem plus leaf sheath weight in no-ear wheat did not decrease until maturation.
Intervention effect The increase in late tillers after ear removal was larger in barley than wheat.
Intervention effect After ear removal, leaf blade and sheath weights increased more in upper wheat leaves.
Intervention effect After ear removal, leaf blade and sheath weight increases were the same across barley leaf positions.
Mechanism In both wheat and barley, increased flag leaf weight after ear removal was mainly due to increased sucrose.
Observation After ear removal, the sucrose increase was larger in wheat than barley.
Observation After ear removal, glucose and fructose increases began earlier and were larger in barley than wheat.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Polymetals reduced barley root water content.

Taxon: BarleyHordeum vulgaret0
Organ / stage: rootse0
Treatment: polymetalse0
Outcome: water contente0
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 dry weight.
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

boric acid significant decrease chlorophyll a,b content of leaves and cell membrane stability

Taxon: barleyHordeum vulgaret0
Treatment: boric acide0
Outcome: chlorophyll a,b content of leaves and cell membrane stabilitye0
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 shoot length and dry weight of shoot ,root systems
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

Polymetals reduced the proportion of cell wall in roots.

Taxon: BarleyHordeum vulgaret0
Organ / stage: rootse0
Treatment: polymetalse0
Outcome: proportion of the cell walle0
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 dry weight.
Intervention effect Polymetals reduced barley root water content.
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 resultmeasured

Claim · model-written summary

The growth regulator treatments reduced plant height.

Taxon: winter barleyHordeum vulgaree0
Treatment: mepiquat chloride and ethephone6
Outcome: plant heighte5
Direction: reducede5

Not reportedComparator

Verbatim

e0
“six cultivars of winter barley grown in Belfast, UK, in 1986/87”
✓ located verbatim in the source · abstract, characters 203–266

e5
“The growth regulator treatments reduced plant height and although dry weight/stem did not decrease significantly, dry weight/unit length of stem was similar in treated and untreated plots”
✓ located verbatim in the source · abstract, characters 939–1126

e6
“Applications of nitrogen and a plant growth regulator (mepiquat chloride and ethephon) were used to manipulate stem structure”
✓ located verbatim in the source · abstract, characters 8–133

Title

Response of winter barley cultivars to nitrogen and a plant growth regulator in relation to lodging

E. M. White The Journal of Agricultural Science 1991. doi:10.1017/s0021859600077583

Other claims from this paper (11)

Observation Pipkin had a very high lodging damage susceptibility index (70), while the other cultivars ranged from 1 to 18.
Association Differences between cultivars in number of internodes, plant height and stem weight did not explain their differences in resistance to damage.
Observation Panda had dry weight per unit length of 2·35 mg/mm, among the strongest cultivars.
Observation Jennifer had dry weight per unit length of 2·34 mg/mm, among the strongest cultivars.
Observation Pipkin had dry weight per unit length of 1·75 mg/mm, the lowest among the cultivars.
Intervention effect Nitrogen application increased plant height.
Intervention effect Nitrogen application did not affect dry weight per main stem.
Intervention effect Nitrogen application decreased dry weight per unit length of stem.
Intervention effect The growth regulator treatments did not significantly decrease dry weight per stem.
Intervention effect Dry weight per unit length of stem was similar in growth-regulator-treated and untreated plots.
Recommendation Dry weight per unit length has potential as an objective indicator of straw strength and could be used in cultivar evaluation in the absence of damage in field trials.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Root rot infection significantly decreased grains per spike in wheat and barley.

Taxon: Wheat and BarleyHordeum vulgare Triticum aestivumt0
Treatment: infectede0
Outcome: number of grains for each spikee0
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”
✓ located verbatim in the source · title, characters 37–53

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 root and shoot length and fresh and dry weight in wheat and barley versus healthy plants.
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%.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought stress decreased maximal PSII efficiency, stomatal conductance and net CO2 assimilation rate in barley.

Taxon: barleyHordeum vulgaree0
Treatment: drought stresse0
Outcome: maximal efficiency of PSII (Fv/Fm), stomatal conductance (gs) and net CO2 assimilation rate (A)e2
Direction: significant decreasee2

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 Water stress reduced barley dry weight.
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.

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“dry weight decrease”

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