Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Insoluble sugar concentration in the ear peduncle rose gradually after anthesis and then fell sharply.

Taxon: wheatTriticum aestivumt0
Organ / stage: ear pedunclee0
Outcome: insoluble sugar concentratione0
Direction: increasee0
Qualifier: followed by a sharp decrease latere0

Verbatim

t0
“Hexaploid Wheat Cultivars”
✓ located verbatim in the source · title, characters 36–61

e0
“A gradual increase in insoluble sugar concentration (starch and fructan) in the ear peduncle during the first month after anthesis, followed by a sharp decrease later, was found in the control and treated plants of both cultivars”
✓ located verbatim in the source · abstract, characters 1430–1659

Title

Short- and Long-eared High-yielding Hexaploid Wheat Cultivars: which has Unexpressed Potential for Higher Yield?

E Zamski Annals of Botany 1995. doi:10.1006/anbo.1995.1051

Other claims from this paper (15)

Intervention effect Decapitation increased grain number on the untouched basal spikelets of the decapitated ears in both cultivars.
Intervention effect The LE type fully recovered 100% of grain number and mass on the untouched portion of the decapitated ear.
Intervention effect The SE type recovered 91% of grain number after decapitation.
Intervention effect The SE type recovered only 80% of individual grain mass after decapitation.
Observation The untouched portion of the decapitated LE ear achieved 100% of the total yield.
Observation The untouched portion of the decapitated SE ear achieved 80% of the total yield.
Intervention effect Gibberellic acid increased culm length in the tall LE plants.
Intervention effect Gibberellic acid did not affect grain number or grain mass in the tall LE plants.
Intervention effect GA had no significant effect on culm length of the semi-dwarf SE type.
Intervention effect GA significantly decreased total grain yield in the semi-dwarf SE type.
Intervention effect GA reduced grain number in the semi-dwarf SE type by 64% of the control.
Intervention effect Mean grain mass was not affected by GA in either cultivar.
Observation Soluble and insoluble sugar concentrations declined as grain filling progressed.
Observation Total soluble sugars increased in the peduncles of the decapitated LE ears.
Association The long-ear type has significantly greater unexpressed potential for high yield than the short-ear type.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In a third experiment, lime application decreased wheat yield from 7.15 t/ha in controls to 6.98, 6.81 and 6.70 t/ha at reported rates.

Taxon: wheatTriticum aestivume0
Treatment: lime applicatione0
Outcome: yieldse0
Direction: decreasee0
Value: 6.98 t/ha (10 t), 6.81 t/ha (20 t) and 6.70 t/ha (32 t)e0
Qualifier: pH in KCl = 4.24e0
Comparator: controle0

Verbatim

e0
“under conditions of the third experiment (pH in KCl = 4.24), lime application (10, 20 and 30 t calcite/ha) resulted by wheat yields decrease (4-year averages) as follows: 7.15 t/ha (control), 6.98 t/ha (10 t), 6.81 t/ha (20 t) and 6.70 t/ha (32 t)”
✓ located verbatim in the source · abstract, characters 1188–1435

Title

Influence of fertilization and liming on maize, wheat and soybean status

Vlado Kovačević; Imre Kádár 1998

Other claims from this paper (10)

Intervention effect Potash fertilization increased maize grain yield to 5.39 t/ha at 835 kg K/ha from 1.93 t/ha in controls.
Intervention effect Potash fertilization increased maize grain yield to 6.64 t/ha at 1580 kg K/ha.
Intervention effect Potash fertilization increased maize grain yield to 7.64 t/ha at 2220 kg K/ha.
Intervention effect Potash fertilization increased soybean grain yield across the reported dose series.
Intervention effect Liming increased maize grain yield by 10% or less on two soils.
Intervention effect Liming increased soybean grain yield by 10% or less on two soils.
Intervention effect Liming increased barley grain yield by 10% or less on two soils.
Intervention effect Wheat yields remained similar to controls under liming on two soils.
Intervention effect Liming decreased maize yield from 4.54 to 4.35, 4.27 and 4.10 t/ha.
Observation Maize grain yield was lower than wheat grain yield on the third soil.

Mechanismhypothesisoriginal resultnegativebasis n/a

Claim · model-written summary

Reductions in flower number per unit area may also contribute to the seed yield reduction under water stress, less conclusively.

Taxon: Red CloverTrifolium pratenset0
Treatment: increased plant water stresse5
Outcome: reduction in seed yielde5
Qualifier: reductions in flower number per unit areae5

Verbatim

t0
“Red Clover Seed Production”
✓ located verbatim in the source · title, characters 0–26

e5
“The reduction in seed yield resulting from increased plant water stress was primarily caused by a decrease in floral fertility, and less conclusively, by reductions in flower number per unit area”
✓ located verbatim in the source · abstract, characters 1037–1232

Title

Red Clover Seed Production: II. Plant Water Status on Yield and Yield Components

R. N. Oliva; J. J. Steiner; W. C. Young Crop Science 1994. doi:10.2135/cropsci1994.0011183x003400010033x

Other claims from this paper (12)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Changing substrate matric potential setpoints did not significantly affect tomato yield.

Taxon: tomatoSolanum lycopersicumt0
Treatment: different SMP setpointse0
Outcome: Yielde0
Direction: no significant effectse0

Not reportedComparator

Verbatim

e0
“Yield measurements indicated no significant effects due to different SMP setpoints”
✓ located verbatim in the source · abstract, characters 528–610

t0
“Impact of irrigation management of greenhouse tomato: Yield, nutrition, and salinity of peat substrate”
✓ located verbatim in the source · title, characters 0–102

t1
“Foliar mineral concentration analysis of spring-grown plants indicated increases in nitrogen, potassium, zinc, and manganese, and a decrease in calcium in plants receiving high-EC solution.”
✓ located verbatim in the source · abstract, characters 794–983

Title

Impact of irrigation management of greenhouse tomato: Yield, nutrition, and salinity of peat substrate

J. Norrie; J. Charbonneau; A. Gosselin; et al. Canadian Journal of Plant Science 1995. doi:10.4141/cjps95-087

Other claims from this paper (7)

Intervention effect Low conductivity solution increased spring total tomato yield.
Intervention effect Low conductivity solution increased average marketable fruit weight in spring.
Intervention effect Blossom-end rot was slightly higher in fall under the highest conductivity treatment.
Intervention effect High conductivity solution increased foliar nitrogen, potassium and zinc concentrations in spring tomato.
Intervention effect High conductivity solution increased foliar manganese concentration in spring tomato.
Intervention effect High conductivity solution decreased foliar calcium concentration in spring tomato.
Observation Peat substrate conductivity exceeded that of applied solutions, indicating salt accumulation despite periodic overwatering.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield-contributory parameters of soybean showed varying levels of loss due to Myrothecium leaf-spot disease.

Taxon: soybeanGlycine maxe5
Interactor: Myrothecium roridumParamyrothecium roridume1pathogen
Outcome: Yield-contributory parameterse5
Direction: decreaseinferrede5

Verbatim

e1
“Soybean crop inoculated with Myrothecium roridum at different days after sowing”
✓ located verbatim in the source · abstract, characters 0–79

e5
“Yield-contributory parameters of soybean also exhibited varying levels of losses due to the attack of myrothecium leafspot disease”
✓ located verbatim in the source · abstract, characters 710–840

Title

Estimation of yield losses in soybean ( Glycine max (L.) Merrill) due to myrothecium leaf-spot disease in relation to crop age at the time of inoculation in India

S. K. Srivastava; S. U. Khan International Journal of Pest Management 1997. doi:10.1080/096708797228771

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At the highest initial population density, M. hapla caused lettuce yield losses of up to 64% in microplots.

Taxon: LettuceLactuca sativae1
Treatment: highest Pie4
Interactor: M. haplaMeloidogyne haplae4pathogen
Outcome: yield lossese4
Direction: decreaseinferrede4
Value: up to 64%e4

Not reportedComparator

Verbatim

e1
“Lettuce was seeded in pots in the greenhouse and in field microplots in 1991 and 1992.”
✓ located verbatim in the source · abstract, characters 0–86

e4
“At the highest Pi, M. hapla caused yield losses up to 64% in the microplots and plant death in the greenhouse tests.”
✓ located verbatim in the source · abstract, characters 375–491

Title

Damage Threshold of Meloidogyne hapla to Lettuce in Organic Soil.

N M Viaene; G S Abawi PubMed 1996

Other claims from this paper (9)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

No linear wheat yield trend was detected at the other location.

Taxon: Triticum aestivum L.Triticum aestivume1
Treatment: recurrent selection for increased GPCe2
Outcome: grain yielde0
Direction: no linear trende0
Setting: other locatione0

Not reportedComparator

Verbatim

e0
“We observed a linear decrease in grain yield of 3.2% per cycle at the target location, but no linear trend was detected at the other location.”
✓ located verbatim in the source · abstract, characters 1103–1245

e1
“bread wheat ( Triticum aestivum L.)”
✓ located verbatim in the source · abstract, characters 37–72

e2
“Four cycles of recurrent selection for increased GPC were evaluated.”
✓ located verbatim in the source · abstract, characters 454–522

Title

Recurrent Selection for Grain Protein in Hard Red Spring Wheat

B. W. Delzer; R. H. Busch; G. A. Hareland Crop Science 1995. doi:10.2135/cropsci1995.0011183x003500030014x

Other claims from this paper (5)

Intervention effect Wheat grain protein concentration gained an average 2.7% per selection cycle.
Intervention effect Selection for grain protein increased wheat flour protein concentration, mixogram water absorption and kernel hardness linearly.
Association Increased wheat grain protein was associated with lower grain yield.
Intervention effect Wheat grain yield decreased linearly by 3.2% per cycle at the target location.
Recommendation Wheat lines combining high grain protein and high yield may be useful germplasm sources.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Orchardgrass seasonal yield after drought was 60% of irrigated controls.

Taxon: orchardgrassDactylis glomeratae0
Treatment: periods of drought followed by well‐watered conditionse0
Outcome: Total season yieldse0
Direction: decreaseinferrede0
Value: 60e0
Comparator: irrigated controlse0

Verbatim

e0
“Total season yields of reed canarygrass, orchardgrass, smooth bromegrass, and timothy exposed to periods of drought followed by well‐watered conditions were 54, 60, 81, and 62%, respectively, of the irrigated controls”
✓ located verbatim in the source · abstract, characters 989–1206

Title

Drought Effects on Yield and Quality of Perennial Grasses in the North Central United States

C. C. Sheaffer; P. R. Peterson; M. H. Hall; et al. jpa 1992. doi:10.2134/jpa1996.0556

Other claims from this paper (19)

Intervention effect reed canarygrass droughted forage yield was 33% of control.
Intervention effect orchardgrass droughted forage yield was 37% of control.
Intervention effect smooth bromegrass droughted forage yield was 24% of control.
Intervention effect timothy droughted forage yield was 34% of control.
Observation Under drought, reed canarygrass yielded similarly to orchardgrass.
Observation Under drought, reed canarygrass yielded more than timothy and smooth bromegrass.
Intervention effect Reed canarygrass seasonal yield after drought was 54% of irrigated controls.
Intervention effect Smooth bromegrass seasonal yield after drought was 81% of irrigated controls.
Intervention effect Timothy seasonal yield after drought was 62% of irrigated controls.
Intervention effect Drought increased leafiness in reed canarygrass, smooth bromegrass and timothy.
Intervention effect Drought increased crude protein in leaves, stems and whole forage of all species.
Intervention effect Drought lowered NDF and ADF in reed canarygrass and smooth bromegrass at all harvests.
Intervention effect Drought lowered NDF and ADF in orchardgrass and timothy at two of three harvests.
Association Increased leafiness and stem and leaf quality were associated with improved forage quality.
Intervention effect Drought reduced reed canarygrass and timothy persistence.
Intervention effect Drought had no effect on smooth bromegrass and orchardgrass persistence.
Observation Smooth bromegrass was the most persistent grass.
Observation Orchardgrass was the least persistent grass.
Observation The authors interpret reed canarygrass as among the most productive grasses in drought.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Timothy seasonal yield after drought was 62% of irrigated controls.

Taxon: timothyPhleum pratensee0
Treatment: periods of drought followed by well‐watered conditionse0
Outcome: Total season yieldse0
Direction: decreaseinferrede0
Value: 62%e0
Comparator: irrigated controlse0

Verbatim

e0
“Total season yields of reed canarygrass, orchardgrass, smooth bromegrass, and timothy exposed to periods of drought followed by well‐watered conditions were 54, 60, 81, and 62%, respectively, of the irrigated controls”
✓ located verbatim in the source · abstract, characters 989–1206

Title

Drought Effects on Yield and Quality of Perennial Grasses in the North Central United States

C. C. Sheaffer; P. R. Peterson; M. H. Hall; et al. jpa 1992. doi:10.2134/jpa1996.0556

Other claims from this paper (19)

Intervention effect reed canarygrass droughted forage yield was 33% of control.
Intervention effect orchardgrass droughted forage yield was 37% of control.
Intervention effect smooth bromegrass droughted forage yield was 24% of control.
Intervention effect timothy droughted forage yield was 34% of control.
Observation Under drought, reed canarygrass yielded similarly to orchardgrass.
Observation Under drought, reed canarygrass yielded more than timothy and smooth bromegrass.
Intervention effect Reed canarygrass seasonal yield after drought was 54% of irrigated controls.
Intervention effect Orchardgrass seasonal yield after drought was 60% of irrigated controls.
Intervention effect Smooth bromegrass seasonal yield after drought was 81% of irrigated controls.
Intervention effect Drought increased leafiness in reed canarygrass, smooth bromegrass and timothy.
Intervention effect Drought increased crude protein in leaves, stems and whole forage of all species.
Intervention effect Drought lowered NDF and ADF in reed canarygrass and smooth bromegrass at all harvests.
Intervention effect Drought lowered NDF and ADF in orchardgrass and timothy at two of three harvests.
Association Increased leafiness and stem and leaf quality were associated with improved forage quality.
Intervention effect Drought reduced reed canarygrass and timothy persistence.
Intervention effect Drought had no effect on smooth bromegrass and orchardgrass persistence.
Observation Smooth bromegrass was the most persistent grass.
Observation Orchardgrass was the least persistent grass.
Observation The authors interpret reed canarygrass as among the most productive grasses in drought.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Cd2+ ions at 30-120 μM significantly decreased the activities of both photosystem II and photosystem I in wheat.

Taxon: wheatTriticum aestivume0
Treatment: Cd2+ ionse0
Outcome: activities of both photosystem II and photosystem Ie1
Direction: decreasee1
Qualifier: 30–120 μMe1

Not reportedComparator

Verbatim

e0
“treatment of wheat plants with Cd2+ ions”
✓ located verbatim in the source · abstract, characters 14–54

e1
“Cd2+ ions (30–120 μM) induced a significant decrease in activities of both photosystem II and photosystem I”
✓ located verbatim in the source · abstract, characters 308–415

Title

Inhibition of the Chloroplast Photochemical Reactions by Treatment of Wheat Seedlings with Low Concentrations of Cadmium: Analysis of Electron Transport Activities and Changes in Fluorescence Yield

Neelima Atal; P. Pardha Saradhi; Prasanna Mohanty Plant and Cell Physiology 1991. doi:10.1093/oxfordjournals.pcp.a078181

Other claims from this paper (10)

“yield decrease”

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