Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Slight common root rot plants had a 25% biomass loss at maturity compared with clean plants.

Taxon: Triticum aestivumTriticum aestivume0
Treatment: slighte2
Outcome: biomass lossese2
Direction: decreaseinferrede2
Value: 25%e2
Comparator: cleane2

Verbatim

e0
“common root rot (Cochliobolus sativus) on plant biomass and grain yield in naturally infected Triticum aestivum cultivar Manitou were studied at Matador, Saskatchewan”
✓ located verbatim in the source · abstract, characters 15–181

e2
“Overall mean biomass losses at maturity in severe, moderate, and slight plants as compared with clean were 58%, 37%, and 25%, respectively”
✓ located verbatim in the source · abstract, characters 853–991

Title

The epidemiology of common root rot in Manitou wheat. IV. Appraisal of biomass and grain yield in naturally infected crops

P. R. Verma; R. A. A. Morrall; R. D. Tinline Canadian Journal of Botany 1976. doi:10.1139/b76-178

Other claims from this paper (11)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Seed Fe and oil concentration tended to rise with temperature.

Taxon: SoybeanGlycine maxt0
Treatment: temperaturee0
Outcome: concentration of Fe and oil in seedse0
Direction: increasee0

Verbatim

e0
“The concentration of Fe and oil in seeds tended to increase and that of carbohydrate to decrease with increase of temperature.”
✓ located verbatim in the source · abstract, characters 2217–2343

t0
“Soybean Plant”
✓ located verbatim in the source · title, characters 24–37

Title

The Growth Responses of Soybean Plant to Photoperiod and Temperature : IV. The effect of temperature during the ripening period on the yield and characters of seeds

Kanoe SATO; Takeshi IKEDA Japanese Journal of Crop Science 1979. doi:10.1626/jcs.48.283

Other claims from this paper (19)

Observation Plant dry weight ranked 25°/20° above 30°/25° and 17°/12° with a 5°C daily range.
Observation Plant dry weight ranked 25°/15° above 30°/20° with a 10°C daily range.
Intervention effect At the same day temperature, nights 10°C cooler increased plant dry weight versus nights 5°C cooler.
Intervention effect Gradual and sudden temperature changes produced little difference in dry matter production.
Observation Outdoor plant dry weight was approximately that at 25°/20°.
Observation Seed yield was greatest at 25°/15° and 30°/20° and very small at 17°/12°.
Association Pod and seed number tended to increase with temperature under a 5°C daily range.
Observation Pod and seed numbers were nearly the same at 25°/15° and 30°/20°.
Intervention effect At the same day temperature, a 10°C daily range gave greater pod and seed numbers than a 5°C range.
Observation Outdoor pod and seed numbers were similar to 25°/20°.
Observation The 100-seed weight was greatest at 25°/20° and extremely small at 17°/12°.
Association N, K, TAC, and seed oil accumulation tracked dry matter accumulation across temperatures.
Association P accumulation tended to rise with temperature.
Observation At maturity, N, P, K and TAC accumulated mainly in seeds, Mg+Ca in pod shells, and Fe and Na in roots.
Association Seed carbohydrate concentration tended to fall with temperature.
Association Palmitic, stearic and oleic acids tended to increase with temperature.
Association Linoleic and linolenic acids tended to decrease with temperature.
Association Larger seeds ripened outdoors or at 25°/20°, 25°/15°, or 30°/20° had higher germination percentage.
Recommendation The authors judged 25° to 30° day temperature with a 10°C daily range optimal for ripening performance.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Non-sucrose chemical components increased as purity fell with increasing ploidy.

Taxon: sugarbeetBeta vulgaris subsp. vulgarise2
Material: ploidy levele1
Outcome: quantity of non‐sucrose chemical components in the extracte0
Direction: increasee0

Verbatim

e0
“this decrease was accompanied by increase in the quantity of non‐sucrose chemical components in the extract”
✓ located verbatim in the source · abstract, characters 505–612

e1
“Purity generally decreased as .ploidy level increased”
✓ located verbatim in the source · abstract, characters 450–503

e2
“sugarbeet ( Beta vulgaris L.)”
✓ located verbatim in the source · abstract, characters 35–64

Title

Effects of Ploidy Level on the Components of Sucrose Yield and Quality in Sugarbeet¹

G. A. Smith; R. J. Hecker; S. S. Martin Crop Science 1979. doi:10.2135/cropsci1979.0011183x001900030010x

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The soil physical properties of direct sowing appeared in the first year after conversion.

Taxon: riceOryza sativat0
Outcome: physical properties of soil in direct sowing fielde0
Qualifier: first year after the conversione0

Verbatim

e0
“Such physical properties of soil in direct sowing field was acquired in the first year after the conversion.”
✓ located verbatim in the source · abstract, characters 1438–1546

t0
“Rice”
✓ located verbatim in the source · title, characters 76–80

Title

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture

Yoshimasa UEMURA; Akira MIYASAKA Japanese Journal of Crop Science 1977. doi:10.1626/jcs.46.414

Other claims from this paper (8)

Intervention effect First-year converted plots had better rice growth than long-term direct sowing plots.
Intervention effect First-year converted plots had better rice yield than long-term direct sowing plots.
Association The first-year growth and yield advantage was more apparent in well-drained fields.
Intervention effect Second-year converted plots did not differ significantly from continued sowing plots in growth and yield.
Intervention effect Conversion increased total inorganic available nitrogen in soil early in the first year.
Intervention effect Conversion decreased soil nitrate nitrogen early in the first year.
Intervention effect Postharvest direct sowing soil drained and harrowed more easily and had more porosity than transplanted soil.
Recommendation The authors concluded that alternating direct sowing and transplanting could counter the yield decline.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

An increase in soil moisture index from 0.69 to 1.00 lowered white bean yield by 6%.

Taxon: white beanse0
Treatment: an increase from 0.69 to 1.00e2
Outcome: yielde2
Direction: lowerede2
Value: 6%e2
Qualifier: for the seasonal temperaturee2

Not reportedComparator

Verbatim

e0
“Yield of white beans increased markedly (250, 1,090 and 1,545 kg/ha) when grown in field plots at soil temperatures of 11.6 (T 1 ), 19.7 (T 2 ), and 29.7 C (T 3 ) (20-cm depth 0830 h)”
✓ located verbatim in the source · abstract, characters 0–183

e2
“A decrease in the Soil Moisture Index (SMI) from 0.69 to 0.10 and an increase from 0.69 to 1.00 lowered yield by 35% and 6%, respectively (T 2 ), for the seasonal temperature”
✓ located verbatim in the source · abstract, characters 450–624

Title

EFFECTS OF VARIOUS FIELD LEVELS OF SOIL TEMPERATURE AND SOIL MOISTURE ON THE GROWTH OF BEANS INFECTED WITH BACTERIAL BLIGHT

A. R. MACK; V. R. WALLEN Canadian Journal of Soil Science 1974. doi:10.4141/cjss74-021

Other claims from this paper (11)

Intervention effect White bean yield increased markedly with soil temperature in field plots.
Association Seasonal soil temperature changed white bean yield by 71.1 kg/ha per 1 C.
Intervention effect A decrease in soil moisture index from 0.69 to 0.10 lowered white bean yield by 35%.
Intervention effect Injecting the bacterial blight organism into stems at cool soil temperature gave a yield loss of 9.0.
Intervention effect Injecting the bacterial blight organism into stems at seasonal soil temperature gave a yield loss of 43.
Intervention effect Injecting the bacterial blight organism into stems at warm soil temperature gave a yield loss of 52%.
Intervention effect Spraying the bacterial blight organism onto leaves of 21-day-old seedlings caused a negligible yield loss.
Intervention effect Percent of pods infected after spraying increased with higher soil temperatures.
Intervention effect Percent of pods infected after injection decreased at higher soil temperatures.
Association Protein content of beans decreased with higher moisture under cool seasonal temperatures, with only a small change in yield.
Association Protein content remained fairly constant under large yield increases from higher soil temperatures.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Growing sorghum continuously for 5 years reduced water intake significantly.

Taxon: Sorghum bicolorSorghum bicolore0
Treatment: Growing sorghum continuously for 5 yearse1
Outcome: water intakee1
Direction: reducede1

Not reportedComparator

Verbatim

e0
“continuous grain sorghum ( Sorghum bicolor (L.) Moench) grown on Houston Black clay soil”
✓ located verbatim in the source · abstract, characters 341–429

e1
“Growing sorghum continuously for 5 years reduced water intake significantly and caused a continuous slow decrease in soil organic matter”
✓ located verbatim in the source · abstract, characters 2197–2333

Title

Residual Effects of Crop Rotations on Water Intake, Soil Loss, and Sorghum Yield¹

John E. Adams Agronomy Journal 1974. doi:10.2134/agronj1974.00021962006600020033x

Other claims from this paper (14)

Intervention effect Oats-grain sorghum rotation increased water intake for 20 months after rotations were discontinued.
Intervention effect Oats-grain sorghum rotation reduced soil loss for 20 months after rotations were discontinued.
Intervention effect Fescuegrass-grain sorghum rotation increased water intake for 20 months after rotations were discontinued.
Intervention effect Fescuegrass-grain sorghum rotation reduced soil loss for 20 months after rotations were discontinued.
Intervention effect Sweetclover-grain sorghum rotation had no effect on soil loss.
Intervention effect Sweetclover-grain sorghum rotation had a significant residual effect on water intake for 8 months after rotations were discontinued.
Intervention effect Grain sorghum rotations with fescuegrass or sweetclover caused significantly more water stable aggregates.
Intervention effect One growing season of grain sorghum following sweetclover reduced aggregation to near that of continuous grain sorghum.
Intervention effect Fescuegrass rotation caused no significant change in aggregation after 20 months.
Intervention effect Most organic matter accumulated under sweetclover-grain sorghum rotation was lost after 5 seasons of continuous grain sorghum.
Intervention effect Soil organic matter in former rotations with fescuegrass or oats showed no significant change after 5 years of continuous grain sorghum.
Intervention effect Grain sorghum yield was significantly greater for four seasons on former sweetclover plots than on continuous grain sorghum plots.
Intervention effect Nitrogen fertilizer had a significant residual effect on continuous grain sorghum yield for 2 years.
Intervention effect Growing sorghum continuously for 5 years caused a continuous slow decrease in soil organic matter.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cereal leaf beetle feeding caused substantial grain losses in Michigan field tests, with an average yield loss of 38% in susceptible cultivars

Taxon: spring barleyHordeum vulgaree0
Treatment: feedinge0
Interactor: cereal leaf beetlee0pest
Outcome: yield losse2
Direction: decreaseinferrede0
Value: 38%e2
Qualifier: peak density of 1.6 larvae/steme2
Comparator: insecticide‐treated plotse0
Setting: Michigane1

Verbatim

e0
“Yield losses of spring barley, Hordeum vulgare L., caused by feeding of the cereal leaf beetle (CLB), Oulema melanopus (L.), were determined by comparing yields of insecticide‐treated plots with CLB‐infested plots”
✓ located verbatim in the source · abstract, characters 0–213

e1
“The CLB caused substantial grain losses in three field tests in Michigan in 1974 and 1975”
✓ located verbatim in the source · abstract, characters 215–304

e2
“The average yield loss of seven susceptible barley cultivars in the three tests was 38% due to an estimated peak density of 1.6 larvae/stem”
✓ located verbatim in the source · abstract, characters 306–445

Title

Yield Losses and Host Selection of Cereal Leaf Beetles in Resistant and Susceptible Spring Barley¹²

J. A. Webster; D. H. Smith Crop Science 1979. doi:10.2135/cropsci1979.0011183x001900060037x

Other claims from this paper (3)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Groundnut seed quality deteriorated rapidly at the end of the growing season before maturation.

Taxon: groundnutArachis hypogaeae0 e1
Outcome: seed qualitye0 e1
Direction: deterioratione0 e1
Setting: at the end of the growing seasone0 e1

Verbatim

e0
“rapid deterioration in seed quality as well as a decrease in pod number and shelled nut yield occurred at the end of the growing season before seed maturation”
✓ located verbatim in the source · abstract, characters 286–444

e1
“groundnut seed maturity”
✓ located verbatim in the source · abstract, characters 47–70

Title

Changes in Kernel Quality of a Long-Seasoned Groundnut Arachis Hypogaea L. Variety during Maturation

H. R. R. Metelerkamp; G. L. Hildebrand 1975

Other claims from this paper (6)

Method / resource Testa colour and thickness was the best of four groundnut seed maturity estimation methods.
Method / resource A method based on light absorbance of expressed oil had potential in certain circumstances.
Observation Groundnut pod number decreased at the end of the growing season.
Observation Groundnut shelled nut yield decreased at the end of the growing season.
Observation Seed size and weight had not reached maximum when deterioration occurred.
Recommendation Harvest when seeds are 40-70% mature to avoid undue seed quality loss.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nematodes reduced dry matter yield of white clover to 20% of that in sterilised soil in the 0 to 10 cm soil depth.

Taxon: white cloverTrifolium repense1
Treatment: parasitic root nematodese0
Interactor: parasitic root nematodese0pest
Outcome: dry matter yielde3
Direction: decreaseinferrede3
Value: 20%e3
Qualifier: 0 to 10 cm soil depthe3
Comparator: soil that had been sterilised with methyl bromidee4
Setting: greenhousee1

Verbatim

e0
“The effects of the parasitic root nematodes Heterodera trifolii (clover cyst nematode)”
✓ located verbatim in the source · abstract, characters 0–86

e1
“white clover were investigated in two greenhouse experiments”
✓ located verbatim in the source · abstract, characters 140–200

e3
“dry matter yield in unsterilised soil was 20% in the 0 to 10 cm soil depth”
✓ located verbatim in the source · abstract, characters 349–423

e4
“and 30% in the 10 to 20 cm soil depth, of clover grown in soil that had been sterilised with methyl bromide”
✓ located verbatim in the source · abstract, characters 425–532

Title

Effect of root nematodes on the growth of seedling and established white clover on a yellow‐brown loam

W. B. Healy; J. P. Widdowson; G. W. Yeates New Zealand Journal of Agricultural Research 1973. doi:10.1080/00288233.1973.10421163

Other claims from this paper (5)

Intervention effect Parasitic root nematodes had a marked effect on the growth of seedling white clover.
Intervention effect Nematodes reduced dry matter yield of white clover to 30% of that in sterilised soil in the 10 to 20 cm soil depth.
Intervention effect Nematodes reduced dry matter production of white clover to 50% of that on sterilised soil.
Intervention effect Adding lime equivalent to 2.2 tonnes of CaCO3 per hectare partly alleviated the effects of nematodes on white clover at establishment.
Observation White clover transferred from sterilised to unsterilised soil was susceptible to attack by nematodes.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nematodes reduced dry matter yield of white clover to 30% of that in sterilised soil in the 10 to 20 cm soil depth.

Taxon: white cloverTrifolium repense1
Treatment: parasitic root nematodese0
Interactor: parasitic root nematodese0pest
Outcome: dry matter yielde3
Direction: decreaseinferrede3
Value: 30%e4
Qualifier: 10 to 20 cm soil depthe4
Comparator: soil that had been sterilised with methyl bromidee4
Setting: greenhousee1

Verbatim

e0
“The effects of the parasitic root nematodes Heterodera trifolii (clover cyst nematode)”
✓ located verbatim in the source · abstract, characters 0–86

e1
“white clover were investigated in two greenhouse experiments”
✓ located verbatim in the source · abstract, characters 140–200

e3
“dry matter yield in unsterilised soil was 20% in the 0 to 10 cm soil depth”
✓ located verbatim in the source · abstract, characters 349–423

e4
“and 30% in the 10 to 20 cm soil depth, of clover grown in soil that had been sterilised with methyl bromide”
✓ located verbatim in the source · abstract, characters 425–532

Title

Effect of root nematodes on the growth of seedling and established white clover on a yellow‐brown loam

W. B. Healy; J. P. Widdowson; G. W. Yeates New Zealand Journal of Agricultural Research 1973. doi:10.1080/00288233.1973.10421163

Other claims from this paper (5)

Intervention effect Parasitic root nematodes had a marked effect on the growth of seedling white clover.
Intervention effect Nematodes reduced dry matter yield of white clover to 20% of that in sterilised soil in the 0 to 10 cm soil depth.
Intervention effect Nematodes reduced dry matter production of white clover to 50% of that on sterilised soil.
Intervention effect Adding lime equivalent to 2.2 tonnes of CaCO3 per hectare partly alleviated the effects of nematodes on white clover at establishment.
Observation White clover transferred from sterilised to unsterilised soil was susceptible to attack by nematodes.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics