Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

The critical aluminium toxicity level in Blade 1 was 0.12 mmol kg −1.

Taxon: wheatTriticum aestivumt0
Material: Stacye1
Organ / stage: Blade 1e0
Outcome: critical Al toxicity levelse2
Value: 0.12 mmol kg −1e0

Verbatim

e0
“were 0.12 mmol kg −1 in Blade 1 and 0.08 mmol kg −1 in the whole plant”
✓ located verbatim in the source · abstract, characters 1046–1116

t0
“Wheat”
✓ located verbatim in the source · title, characters 64–69

e1
“Aluminum is not readily accumulated in Stacy wheat”
✓ located verbatim in the source · abstract, characters 839–889

e2
“The critical Al toxicity levels, defined as the Al concentration in the tissue associated with a 10% decrease from maximum top dry weight due to toxicity”
✓ located verbatim in the source · abstract, characters 891–1044

Title

Aluminum Toxicity Effects on Growth and Nutrient Composition in Wheat¹

K. Ohki Agronomy Journal 1985. doi:10.2134/agronj1985.00021962007700060027x

Other claims from this paper (9)

Intervention effect Aluminium toxicity reduced top and root dry weight, plant height, tillers and top-to-root weight ratio.
Intervention effect Aluminium toxicity reduced tillers and top-to-root dry weight ratio.
Observation Blade and stem aluminium concentrations were low, at most 0.3 mmol kg −1 in Blade 1.
Association Tissue aluminium concentration was linearly related to solution aluminium.
Observation Stacy wheat did not readily accumulate aluminium.
Observation The critical aluminium toxicity level in the whole plant was 0.08 mmol kg −1.
Recommendation Washed Blade 1 was preferred over whole-plant tissue for field diagnosis because it minimizes soil contamination.
Intervention effect Aluminium toxicity decreased all elemental concentrations in Blade 1 and whole plants.
Association Except for P and K in Blade 1, elemental decreases followed linear or quadratic regressions.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Increasing N supply affected the number of root apices only to a very small degree.

Taxon: T. aestivume3
Treatment: Increasing N supplye2
Outcome: number of apicese1
Direction: affected only to a very small degreee1

Not reportedComparator

Verbatim

e1
“The number of apices was affected only to a very small degree”
✓ located verbatim in the source · abstract, characters 1497–1558

e2
“Increasing N supply changes root growth as follows: decline in root dry matter, increase in shoot/root ratio of dry weight, decrease in number of seminal roots, shortening of axes and more laterals, increase in diameter of the laterals and less significantly of the main roots, increase in density of laterals, decline in root surface area”
✓ located verbatim in the source · abstract, characters 1156–1495

e3
“The old T. aestivum cultivars had more seminal roots”
✓ located verbatim in the source · abstract, characters 701–753

Title

Untersuchungen zum Wurzelwachstum von Jungpflanzen alter und neuer Winterweizensorten sowie eines Spelzweizens bei variierter N‐Versorgung

B. Feil; G. Geisler Journal of Agronomy and Crop Science 1988. doi:10.1111/j.1439-037x.1988.tb00666.x

Other claims from this paper (13)

Association Root growth did not differ significantly between old and new winter wheat cultivars.
Association Old wheat cultivars had more seminal roots.
Association The longest roots of modern wheat cultivars penetrated into deeper layers of the substrate.
Intervention effect Increasing N supply declined root dry matter.
Intervention effect Increasing N supply increased the shoot/root ratio of dry weight.
Intervention effect Increasing N supply decreased the number of seminal roots.
Intervention effect Increasing N supply shortened the axes of wheat roots.
Intervention effect Increasing N supply produced more laterals.
Intervention effect Increasing N supply increased the diameter of the laterals.
Intervention effect Increasing N supply increased the density of laterals.
Intervention effect Increasing N supply declined the root surface area.
Association Modern wheat cultivars were not superior to old cultivars in tolerating toxic concentrations of NH 4 NO 3.
Association Old wheat cultivars were not better adapted to low N fertilization.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The critical aluminium toxicity level in the whole plant was 0.08 mmol kg −1.

Taxon: wheatTriticum aestivumt0
Material: Stacye1
Organ / stage: whole plante0
Outcome: critical Al toxicity levelse2
Value: 0.08 mmol kg −1e0

Verbatim

e0
“were 0.12 mmol kg −1 in Blade 1 and 0.08 mmol kg −1 in the whole plant”
✓ located verbatim in the source · abstract, characters 1046–1116

t0
“Wheat”
✓ located verbatim in the source · title, characters 64–69

e1
“Aluminum is not readily accumulated in Stacy wheat”
✓ located verbatim in the source · abstract, characters 839–889

e2
“The critical Al toxicity levels, defined as the Al concentration in the tissue associated with a 10% decrease from maximum top dry weight due to toxicity”
✓ located verbatim in the source · abstract, characters 891–1044

Title

Aluminum Toxicity Effects on Growth and Nutrient Composition in Wheat¹

K. Ohki Agronomy Journal 1985. doi:10.2134/agronj1985.00021962007700060027x

Other claims from this paper (9)

Intervention effect Aluminium toxicity reduced top and root dry weight, plant height, tillers and top-to-root weight ratio.
Intervention effect Aluminium toxicity reduced tillers and top-to-root dry weight ratio.
Observation Blade and stem aluminium concentrations were low, at most 0.3 mmol kg −1 in Blade 1.
Association Tissue aluminium concentration was linearly related to solution aluminium.
Observation Stacy wheat did not readily accumulate aluminium.
Observation The critical aluminium toxicity level in Blade 1 was 0.12 mmol kg −1.
Recommendation Washed Blade 1 was preferred over whole-plant tissue for field diagnosis because it minimizes soil contamination.
Intervention effect Aluminium toxicity decreased all elemental concentrations in Blade 1 and whole plants.
Association Except for P and K in Blade 1, elemental decreases followed linear or quadratic regressions.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Pod removal had no effect on fixed-N increment in Nakei-No. 1, with compensation in stems, petioles and roots.

Taxon: soybeanGlycine maxt0
Material: Nakei-No. 1e0
Treatment: Pod removale1
Outcome: fixed-Ne0
Direction: no effecte0
Qualifier: increase in amounts of fixed-N in stems, petioles, and rootse0

Not reportedComparator

Verbatim

e0
“it had no effect in Nakei-No. 1 due to the increase in amounts of fixed-N in stems, petioles, and roots”
✓ located verbatim in the source · abstract, characters 1324–1427

e1
“Pod removal which resulted in the decrease of plant weight increment in the cultivar Tamahomare”
✓ located verbatim in the source · abstract, characters 678–773

t0
“soybean”
✓ located verbatim in the source · title, characters 69–76

Title

Dry matter production and dinitrogen fixation of wild and cultivated soybean varieties as affected by pod removal

Kounosuke Fujita; Taizo Masuda; Shoitsu Ogata Soil Science & Plant Nutrition 1988. doi:10.1080/00380768.1988.10415680

Other claims from this paper (10)

Observation Control soybean cultivars gained markedly in total dry weight because pod weight increased.
Observation The wild soybean variety had a lower total dry weight increase.
Intervention effect Pod removal decreased plant weight increment in Tamahomare.
Intervention effect Pod removal did not affect plant weight increment in the wild soybean variety, owing to leaf and stem compensation.
Intervention effect Pod removal markedly decreased dinitrogen fixation in Tamahomare.
Intervention effect Pod removal caused a slight, significant, short-lived decrease in Harosoy dinitrogen fixation.
Intervention effect Control and depodded wild soybean plants did not differ distinctly in fixation activity.
Intervention effect Pod removal decreased fixed-N increment in Tamahomare.
Intervention effect Pod removal slightly decreased fixed-N increment in Harosoy.
Association The effect of pod removal on fixation varied among cultivars and depended on growth habit.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Sodium content increased with higher exchangeable sodium percentage in both crops

Taxon: onion and garlicAllium cepa Allium sativume0
Treatment: higher ESP levelse2
Outcome: content of Nae2
Direction: increasede2

Verbatim

e2
“In both the crops the content of Na increased and that of Ca decreased with higher ESP levels”
✓ located verbatim in the source · abstract, characters 559–652

e0
“There was continuous decrease in dry matter production at I (30 days after tranplanting and sowing of onion and garlic, respectively) and U (at harvesting) stages of growth and in diameter, weight and yield of bulb of the two test crops with rise in ESP”
✓ located verbatim in the source · abstract, characters 228–481

Title

Effect of Exachangeable Sodium Percentage on Growth, Yield and Chemical Composition of Onion and Garlic

S. B. Singh; I. P. Abrol Journal of the Indian Society of Soil Science 1985

Other claims from this paper (6)

Intervention effect Rise in exchangeable sodium percentage decreased dry matter production of onion and garlic
Intervention effect Rise in exchangeable sodium percentage decreased bulb diameter, weight and yield of onion and garlic
Association Exchangeable sodium percentage had a significant negative correlation with bulb yield
Association Calcium content decreased with higher exchangeable sodium percentage in both crops
Observation Potassium content fell in onion only
Association Onion was more sensitive to sodic condition than garlic

Associationobservedoriginal resultmeasured

Claim · model-written summary

Calcium content decreased with higher exchangeable sodium percentage in both crops

Taxon: onion and garlicAllium cepa Allium sativume0
Treatment: higher ESP levelse2
Outcome: that of Cae2
Direction: decreasede2

Verbatim

e2
“In both the crops the content of Na increased and that of Ca decreased with higher ESP levels”
✓ located verbatim in the source · abstract, characters 559–652

e0
“There was continuous decrease in dry matter production at I (30 days after tranplanting and sowing of onion and garlic, respectively) and U (at harvesting) stages of growth and in diameter, weight and yield of bulb of the two test crops with rise in ESP”
✓ located verbatim in the source · abstract, characters 228–481

Title

Effect of Exachangeable Sodium Percentage on Growth, Yield and Chemical Composition of Onion and Garlic

S. B. Singh; I. P. Abrol Journal of the Indian Society of Soil Science 1985

Other claims from this paper (6)

Intervention effect Rise in exchangeable sodium percentage decreased dry matter production of onion and garlic
Intervention effect Rise in exchangeable sodium percentage decreased bulb diameter, weight and yield of onion and garlic
Association Exchangeable sodium percentage had a significant negative correlation with bulb yield
Association Sodium content increased with higher exchangeable sodium percentage in both crops
Observation Potassium content fell in onion only
Association Onion was more sensitive to sodic condition than garlic

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Supraoptimal CO2 decreased specific leaf weight, NAR and Pn.

Taxon: lettuceLactuca sativae2
Treatment: Enrichment of CO2 to a supraoptimal level of 92 mmol m-3 (2000 mm3 dm-3)e4
Outcome: specific leaf weight, NAR and Pne0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“decreased specific leaf weight, NAR and Pn”
✓ located verbatim in the source · abstract, characters 832–874

e1
“decreased specific leaf weight, NAR and Pn”
✓ located verbatim in the source · abstract, characters 832–874

t0
“Effects of CO2and Photosynthetic Photon Flux on Yield, Gas Exchange and Growth Rate ofLactuca SativaL. ‘Waldmann’s Green”
✓ located verbatim in the source · title, characters 0–120

e2
“Enrichment of CO2 to 46 mmol m-3 (1000 mm3 dm-3) at a moderate photosynthetic photon flux (PPF) of 450 micromoles m-2 s-1 stimulated fresh and dry weight gain of lettuce leaves 39% to 75% relative to plants at 16 mmol m-3 CO2 (350 mm3 dm-3).”
✓ located verbatim in the source · abstract, characters 0–241

e3
“high PPF of 880-900 micromoles m-2 s-1 gave further, substantial increases in growth, RGR, net assimilation rate (NAR) and photosynthetic rate (Pn), but a decrease in leaf area ratio (LAR), at 46 or 69 mmol m-3 (1000 or 1500 mm3 dm-3) CO2”
✓ located verbatim in the source · abstract, characters 423–661

e4
“Enrichment of CO2 to a supraoptimal level of 92 mmol m-3 (2000 mm3 dm-3) at high PPF increased leaf area and LAR”
✓ located verbatim in the source · abstract, characters 718–830

Title

Effects of CO₂and Photosynthetic Photon Flux on Yield, Gas Exchange and Growth Rate ofLactuca SativaL. ‘Waldmann’s Green'

SHARON L. KNIGHT; CARY A. MITCHELL Journal of Experimental Botany 1988. doi:10.1093/jxb/39.3.317

Other claims from this paper (9)

Intervention effect CO2 enrichment increased lettuce leaf fresh weight gain by 39–75% at moderate PPF.
Intervention effect CO2 enrichment increased lettuce leaf dry weight gain by 39–75% at moderate PPF.
Observation Relative growth rate increased only in the first days of exponential growth.
Intervention effect CO2 above 46 mmol m−3 gave no further growth benefit at moderate PPF.
Intervention effect High PPF increased growth, RGR and NAR at 46 or 69 mmol m−3 CO2.
Intervention effect High PPF increased photosynthetic rate at enriched CO2.
Intervention effect High PPF decreased leaf area ratio.
Intervention effect At high PPF, supraoptimal CO2 increased leaf area and LAR.
Intervention effect Supraoptimal CO2 had no effect on organ dry weights or RGR compared with 69 mmol m−3 CO2.

Associationobservedoriginal resultmeasured

Claim · model-written summary

On a cell-volume-per-hour basis, phosphofructokinase activity decreased along leaf development.

Taxon: Dianthus chinensisDianthus chinensise0
Organ / stage: leaf developmente4
Outcome: activitye0
Direction: decreaseinferrede3
Qualifier: on a cell volume (cubic micrometers) per hour basise3

Verbatim

e0
“Phosphofructokinase (EC 2.7.1.11) activity in the apical meristem, leaf primordia, and leaf tissues (epidermis, mesophyll, xylem, phloem) of Dianthus chinensis L. was determined”
✓ located verbatim in the source · abstract, characters 0–177

e3
“However, on a cell volume (cubic micrometers) per hour basis, the opposite was true”
✓ located verbatim in the source · abstract, characters 632–715

e4
“The results indicate that (a) on a dry weight or unit cell volume basis the capacity for glycolysis declines during leaf development”
✓ located verbatim in the source · abstract, characters 717–849

Title

Quantitative Measurements of Phosphofructokinase in the Shoot Apical Meristem, Leaf Primordia, and Leaf Tissues of Dianthus

Judith G. Croxdale 1983

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The higher rate of P fertilization decreased colonization of rose roots by Glomus intraradices.

Taxon: Rosa hybridaRosa hybrid cultivare0
Treatment: higher rate of P fertilizatione2
Interactor: Glomus intraradicesRhizophagus intraradicese0symbiont
Outcome: colonization levelse3
Direction: decreaseinferrede3

Not reportedComparator

Verbatim

e0
“Plants of Rosa hybrida L. cv. ‘Samantha’, grown with high or low phosphorus (P) fertilization, were inoculated with Glomus intraradices Schenck & Smith, G. deserticola Trappe, Bloss & Menge, or left non‐mycorrhizal”
✓ located verbatim in the source · abstract, characters 8–222

e2
“The higher rate of P fertilization increased plant dry weight three‐fold and leaf area four‐fold in non‐mycorrhizal plants”
✓ located verbatim in the source · abstract, characters 391–513

e3
“but had no effect on growth characteristics of mycorrhizal plants except for a depression of colonization levels”
✓ located verbatim in the source · abstract, characters 515–627

Title

GREATER LEAF CONDUCTANCE OF WELL‐WATERED VA MYCORRHIZAL ROSE PLANTS IS NOT RELATED TO PHOSPHORUS NUTRITION*

ROBERT M. AUGÉ; KURT A. SCHEKEL; ROBERT L. WAMPLE New Phytologist 1986. doi:10.1111/j.1469-8137.1986.tb00600.x

Other claims from this paper (8)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

High PPF decreased leaf area ratio.

Taxon: lettuceLactuca sativae2
Treatment: high PPF of 880-900 micromoles m-2 s-1e3
Outcome: leaf area ratio (LAR)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“but a decrease in leaf area ratio (LAR), at 46 or 69 mmol m-3 (1000 or 1500 mm3 dm-3) CO2”
✓ located verbatim in the source · abstract, characters 572–661

e1
“but a decrease in leaf area ratio (LAR), at 46 or 69 mmol m-3 (1000 or 1500 mm3 dm-3) CO2”
✓ located verbatim in the source · abstract, characters 572–661

t0
“Effects of CO2and Photosynthetic Photon Flux on Yield, Gas Exchange and Growth Rate ofLactuca SativaL. ‘Waldmann’s Green”
✓ located verbatim in the source · title, characters 0–120

e2
“Enrichment of CO2 to 46 mmol m-3 (1000 mm3 dm-3) at a moderate photosynthetic photon flux (PPF) of 450 micromoles m-2 s-1 stimulated fresh and dry weight gain of lettuce leaves 39% to 75% relative to plants at 16 mmol m-3 CO2 (350 mm3 dm-3).”
✓ located verbatim in the source · abstract, characters 0–241

e3
“high PPF of 880-900 micromoles m-2 s-1 gave further, substantial increases in growth, RGR, net assimilation rate (NAR) and photosynthetic rate (Pn), but a decrease in leaf area ratio (LAR), at 46 or 69 mmol m-3 (1000 or 1500 mm3 dm-3) CO2”
✓ located verbatim in the source · abstract, characters 423–661

e4
“Enrichment of CO2 to a supraoptimal level of 92 mmol m-3 (2000 mm3 dm-3) at high PPF increased leaf area and LAR”
✓ located verbatim in the source · abstract, characters 718–830

Title

Effects of CO₂and Photosynthetic Photon Flux on Yield, Gas Exchange and Growth Rate ofLactuca SativaL. ‘Waldmann’s Green'

SHARON L. KNIGHT; CARY A. MITCHELL Journal of Experimental Botany 1988. doi:10.1093/jxb/39.3.317

Other claims from this paper (9)

Intervention effect CO2 enrichment increased lettuce leaf fresh weight gain by 39–75% at moderate PPF.
Intervention effect CO2 enrichment increased lettuce leaf dry weight gain by 39–75% at moderate PPF.
Observation Relative growth rate increased only in the first days of exponential growth.
Intervention effect CO2 above 46 mmol m−3 gave no further growth benefit at moderate PPF.
Intervention effect High PPF increased growth, RGR and NAR at 46 or 69 mmol m−3 CO2.
Intervention effect High PPF increased photosynthetic rate at enriched CO2.
Intervention effect At high PPF, supraoptimal CO2 increased leaf area and LAR.
Intervention effect Supraoptimal CO2 decreased specific leaf weight, NAR and Pn.
Intervention effect Supraoptimal CO2 had no effect on organ dry weights or RGR compared with 69 mmol m−3 CO2.

“dry weight decrease”

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