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“dry weight decrease”

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Organism: Medicago sativa ✕

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Hamedani dry weight started decreasing at 50 mM L-1 salinity.

Taxon: alfalfaMedicago sativat0
Material: Hamedanie0
Treatment: 50 mM L-1 salinity levele0
Outcome: dry weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“in Hamedani decrease in dry weight was started from 50 mM L-1 salinity level”
✓ located verbatim in the source · abstract, characters 556–632

t0
“Alfalfa”
✓ located verbatim in the source · title, characters 59–66

Title

Relationship Between Ion Accumulation and Plant Biomass of Alfalfa Under Salt Stress

Ehsan Bijanzadeh; Ruhollah Naderi; Mohsen Edalat; et al. Journal of Plant Physiology and Breeding 2011

Other claims from this paper (19)

Observation Bami appeared more tolerant to salinity.
Intervention effect Bami dry weight fell from 15.1 to 10.3 g as salt stress rose from 75 to 125 mM L-1.
Intervention effect Leaf area per pot decreased significantly in Bami above 75 mM L-1 salt stress.
Intervention effect Leaf area per pot decreased significantly in Hamedani above 75 mM L-1 salt stress.
Observation Leaf relative water content differed significantly between the two cultivars at 75, 100 and 125 mM L-1 NaCl.
Observation Bami Na+ concentration rose from 220 to 565 mmol kg-1 dry weight with salinity.
Observation Hamedani Na+ concentration rose from 238 to 643 mmol kg-1 dry weight with salinity.
Observation Hamedani Cl- concentration was higher than Bami at 125 mM L-1 NaCl.
Observation Bami K+ concentration increased from 203 to 604 mmol kg-1 dry weight.
Observation Hamedani K+ concentration increased from 135 to 571 mmol kg-1 dry weight.
Association Bami phytomass was significantly correlated with K+ concentration (r=0.97).
Association Bami phytomass was significantly correlated with Ca2+ concentration (r=0.96).
Association Bami phytomass was significantly correlated with leaf area (r=0.50).
Association Bami phytomass was significantly correlated with plant height (r=0.87).
Association Leaf area had a significant direct effect on Bami dry weight (p=0.73).
Association Ca2+ had a significant direct effect on Bami dry weight (p=1.02).
Association K+ had a significant direct effect on Bami dry weight (p=0.59).
Association K+ had a significant direct effect on Hamedani dry weight (p=0.61).
Association Ca2+ had a significant direct effect on Hamedani dry weight (p=1.07).

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Trifluralen decreased dodder and weed dry weight, especially in the first and second mowing.

Taxon: Medicago sativaMedicago sativat0
Treatment: Trifluralene4
Interactor: doddere4parasite
Second interactor: weedse4weed
Outcome: dodder and weeds dry weighte4
Direction: decreasee4
Qualifier: first and second mowinge4
Comparator: check treatmente0

Verbatim

t0
“ALFALFA FIELD Medicago sativa”
✓ located verbatim in the source · title, characters 84–113

e0
“besides hand weeding and check treatment”
✓ located verbatim in the source · abstract, characters 388–428

e4
“The Trifluralen caused decrease in the dodder and weeds dry weight especially in the first and second mowing”
✓ located verbatim in the source · abstract, characters 662–770

Title

EFFECT OF SEEDING RATE , REPEATED CUTTINGS AND HERBICIDE ON CONTROLLING OF WEEDS IN ALFALFA FIELD Medicago sativa .L .

Salim .Hommadi.Anter Mağallaẗ zirāʿaẗ al-rāfidayn 2012. doi:10.33899/magrj.2012.54792

Other claims from this paper (5)

Association Number of branches per alfalfa plant increased as seeding rate decreased.
Intervention effect Forage dry weight of alfalfa was significantly higher at 36 kg/ha seeding rate.
Intervention effect 2,4-DB clearly reduced broad-leaved weeds in alfalfa compared with the check treatment.
Intervention effect Fuzilade and Halloxyphop herbicides gave 100% control of weeds in the first mowing, significantly affecting grasses.
Association Weeds in alfalfa were significantly affected with continuing mowing.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Alfalfa inoculated with the Cu-sensitive strain showed a larger decrease in shoot and root dry weight than alfalfa inoculated with the Cu-tolerant strain.

Taxon: alfalfaMedicago sativae1
Treatment: inoculated with the sensitive straine0
Outcome: shoot and root DWe0
Direction: decreasee0
Comparator: plants inoculated with the tolerant straine0

Verbatim

e0
“plants inoculated with the sensitive strain revealed a decrease of shoot and root DW, larger than that found in plants inoculated with the tolerant strain”
✓ located verbatim in the source · abstract, characters 453–607

e1
“alfalfa plants”
✓ located verbatim in the source · abstract, characters 62–76

Title

Cu-tolerant Sinorhizobium meliloti strain is beneficial for growth, Cu accumulation, and mineral uptake of alfalfa plants grown in Cu excess

Issam Nouairi; Moncef Mrabet; Mokded Rabhi; et al. Archives of Agronomy and Soil Science 2015. doi:10.1080/03650340.2015.1036043

Other claims from this paper (10)

Intervention effect Copper addition decreased nodule number and nodule dry weight of alfalfa in both symbioses compared with no added copper.
Intervention effect The symbiosis with the Cu-sensitive strain was more affected by copper than the symbiosis with the Cu-tolerant strain.
Intervention effect Under copper supply, alfalfa with the Cu-tolerant strain showed no significant change in shoot and root biomass production.
Intervention effect Under copper excess, high levels of copper were detected in different parts of alfalfa plants in both symbioses.
Intervention effect Under copper excess, the strain S412 produced a high translocation of copper to the aerial parts of alfalfa.
Observation Alfalfa plants with strain S412 accumulated large quantities of calcium in their roots and nodules.
Intervention effect Nodulation with strain S412 allowed alfalfa to maintain high levels of magnesium in all tissues.
Intervention effect Nodulation with strain S412 gave high iron levels in alfalfa nodules.
Intervention effect Under 0.5 mM copper treatment, calcium content decreased drastically in alfalfa shoots.
Recommendation The authors suggest that this symbiotic pair could be used for phytostabilization of Cu-contaminated soils.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Copper addition decreased nodule number and nodule dry weight of alfalfa in both symbioses compared with no added copper.

Taxon: alfalfaMedicago sativae2
Treatment: addition of copper (Cu)e0
Outcome: nodule number and their dry weighte0
Direction: decreasee0
Comparator: absence of 0.5 mM of CuSO4e1

Verbatim

e0
“The addition of copper (Cu) introduced a decrease of nodule number and their dry weight (DW) in both symbioses”
✓ located verbatim in the source · abstract, characters 219–329

e1
“in the presence or absence of 0.5 mM of CuSO4”
✓ located verbatim in the source · abstract, characters 172–217

e2
“alfalfa plants”
✓ located verbatim in the source · abstract, characters 62–76

Title

Cu-tolerant Sinorhizobium meliloti strain is beneficial for growth, Cu accumulation, and mineral uptake of alfalfa plants grown in Cu excess

Issam Nouairi; Moncef Mrabet; Mokded Rabhi; et al. Archives of Agronomy and Soil Science 2015. doi:10.1080/03650340.2015.1036043

Other claims from this paper (10)

Intervention effect The symbiosis with the Cu-sensitive strain was more affected by copper than the symbiosis with the Cu-tolerant strain.
Intervention effect Alfalfa inoculated with the Cu-sensitive strain showed a larger decrease in shoot and root dry weight than alfalfa inoculated with the Cu-tolerant strain.
Intervention effect Under copper supply, alfalfa with the Cu-tolerant strain showed no significant change in shoot and root biomass production.
Intervention effect Under copper excess, high levels of copper were detected in different parts of alfalfa plants in both symbioses.
Intervention effect Under copper excess, the strain S412 produced a high translocation of copper to the aerial parts of alfalfa.
Observation Alfalfa plants with strain S412 accumulated large quantities of calcium in their roots and nodules.
Intervention effect Nodulation with strain S412 allowed alfalfa to maintain high levels of magnesium in all tissues.
Intervention effect Nodulation with strain S412 gave high iron levels in alfalfa nodules.
Intervention effect Under 0.5 mM copper treatment, calcium content decreased drastically in alfalfa shoots.
Recommendation The authors suggest that this symbiotic pair could be used for phytostabilization of Cu-contaminated soils.

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