Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Carotenoid content tended to decrease after low seedling temperature without statistical confirmation.

Taxon: Chinese cabbageBrassica rapa subsp. pekinensise0
Treatment: seedlings of low temperaturee0
Outcome: carotenoids contente0
Direction: decreasee0
Qualifier: slight and not statistically confirmede0
Comparator: controle1

Verbatim

e0
“There was only a slight and not statistically confirmed tendency to the decrease in chlorophyll and carotenoids content in Chinese cabbage grown from seedlings of low temperature.”
✓ located verbatim in the source · abstract, characters 1102–1281

e1
“optimal conditions (control)”
✓ located verbatim in the source · abstract, characters 384–412

Title

Yield and quality of spring Chinese cabbage as affected by different temperature conditions during seedling production.

Andrzej Kalisz; P. Siwek Folia Horticulturae 2006

Other claims from this paper (8)

Intervention effect Low seedling temperature increased marketable yield.
Intervention effect Low seedling temperature increased the share of marketable heads.
Observation Some low temperature plants formed external flower stalks.
Intervention effect All low temperature plants formed internal bolts, whereas controls had none.
Intervention effect Seedling temperature had no distinct effect on dry matter, soluble sugar or L-ascorbic acid accumulation.
Intervention effect Chlorophyll content tended to decrease after low seedling temperature without statistical confirmation.
Intervention effect Control plants had the highest thiocyanate level.
Intervention effect Control plants had the highest crude fiber level.

Associationobservedoriginal resultnot significant (as stated)projected

Claim · model-written summary

Days to flowering and days to maturity may decrease in the 2030s and 2050s under both RCP4.5 and RCP8.5, relative to the simulated baseline period 1981-2010, but the decrease is not statistically significant.

Taxon: common beanPhaseolus vulgarist0
Treatment: RCP4.5 and RCP8.5 scenariose4
Outcome: days to flowering and days to maturitye4
Direction: may decreasee4
Comparator: simulated values for the baseline period (1981–2010)e4
Setting: Amhara Region, Ethiopiat0

Verbatim

t0
“Future climate change impacts on common bean (Phaseolus vulgaris L.) phenology and yield with crop management options in Amhara Region, Ethiopia”
✓ located verbatim in the source · title, characters 0–144

e4
“The impact analysis showed that both days to flowering and days to maturity may decrease in 2030s and 2050s at both sites and under both RCP4.5 and RCP8.5 scenarios as compared to the simulated values for the baseline period (1981–2010) but the decrease is not statistically significant”
✓ located verbatim in the source · abstract, characters 1406–1692

Title

Future climate change impacts on common bean (Phaseolus vulgaris L.) phenology and yield with crop management options in Amhara Region, Ethiopia

Adem Mohammed; Estifanos Feleke CABI Agriculture and Bioscience 2022. doi:10.1186/s43170-022-00103-9

Other claims from this paper (15)

Method / resource The CROPGRO-dry bean model gave an RMSE of 2.42 days for days to flowering in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave an R2 of 0.76 for days to flowering in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave a d-index of 0.82 for days to flowering in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave an RMSE of 3.19 days for days to physiological maturity in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave an R2 of 0.70 for days to physiological maturity in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave a d-index of 0.87 for days to physiological maturity in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave an RMSE of 113.7 kg ha-1 for grain yield in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave an R2 of 0.95 for grain yield in the evaluation phase.
Method / resource The CROPGRO-dry bean model gave a d-index of 0.89 for grain yield in the evaluation phase.
Association Grain yield may significantly increase by 11% in the 2030s under RCP8.5.
Association Grain yield may significantly increase by 9.2% in the 2050s under RCP4.5.
Association Grain yield may significantly increase by 21.1% in the 2050s under RCP8.5.
Intervention effect Early sowing 15 days before the standard sowing date combined with supplemental irrigation may increase grain yield by 89% for the baseline period.
Intervention effect Early sowing 15 days before the standard sowing date combined with supplemental irrigation may increase grain yield by 71% in the 2030s.
Intervention effect Early sowing 15 days before the standard sowing date combined with supplemental irrigation may increase grain yield by 56% in the 2050s.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Salt stress before and during spikelet development did not decrease the yield potential of individual Probred spikes.

Taxon: wheatTriticum aestivume0
Material: Probrede6
Treatment: salt stress prior to and during spikelet developmente6
Outcome: yield potential of individual spikese6
Comparator: nonsaline control treatmente2

Not reportedDirection

Verbatim

e0
“on two wheat species ( Triticum aestivum L. ‘Probred’ and T. turgidum L. ‘Aldura’)”
✓ located verbatim in the source · abstract, characters 317–399

e2
“were compared to a nonsaline control treatment at −0.05 MPa”
✓ located verbatim in the source · abstract, characters 714–773

e6
“salt stress prior to and during spikelet development significantly decreased the yield potential of individual spikes of Aldura, but not of the more tolerant Probred”
✓ located verbatim in the source · abstract, characters 1463–1628

Title

Spike and Leaf Development of Sal‐Stressed Wheat

E. V. Maas; C. M. Grieve Crop Science 1990. doi:10.2135/cropsci1990.0011183x003000060031x

Other claims from this paper (14)

Intervention effect Salt stress accelerated development of the shoot apex on the mainstem.
Intervention effect Salt stress decreased the number of spikelet primordia.
Intervention effect Under salt stress at −0.65 MPa, terminal spikelet stage was 12 and 18 d sooner in Aidurand and Probred, respectively, than at −0.05 MPa.
Intervention effect Under salt stress, anthesis occurred earlier than in the nonsaline control.
Intervention effect Under salt stress, tillering was delayed by 3 to 4 d.
Intervention effect Osmotic potential −0.45 MPa reduced seed yield of Aldura by 38% relative to −0.05 MPa.
Intervention effect Osmotic potential −0.65 MPa reduced seed yield of Aldura by 54% relative to −0.05 MPa.
Intervention effect Osmotic potential −0.45 MPa reduced seed yield of Probred by 7% relative to −0.05 MPa.
Intervention effect Osmotic potential −0.65 MPa reduced seed yield of Probred by 43% relative to −0.05 MPa.
Mechanism The seed yield decreases under salt stress resulted from fewer spikes per plant and fewer kernels per spike.
Intervention effect Salt stress increased the phyllochron.
Intervention effect Salt stress reduced the final number of leaves initiated on the main stem.
Intervention effect Salt stress before and during spikelet development significantly decreased the yield potential of individual Aldura spikes.
Intervention effect Salt stress decreased the yield potential of both species, mainly by reducing the number of tiller spikes.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

In 2008-2009 ratoon sugarcane, applying water-retaining agent without water did not significantly decrease cane yield compared with the control.

Taxon: sugarcanee0
Organ / stage: ratoon sugarcanee6
Treatment: applying water-retaining agent without watere6
Outcome: cane yielde6
Direction: no significantly decreasede6
Comparator: the controle6

Verbatim

e0
“growth and yield of sugarcane in new planting sugarcane”
✓ located verbatim in the source · abstract, characters 223–278

e6
“Moreover,in 2008 and 2009 year ratoon sugarcane,the cane yield of applying water-retaining agent without water was no significantly decreased in comparison with the control,but significantly decreased in comparison with the treatment of applying water-retaining agent with water”
✓ located verbatim in the source · abstract, characters 993–1271

Title

Effect of Different Application Process of Water-retaining Agent on Sugarcane Growth and Yield

Tang Hong-qin Zhongguo tangliao 2012

Other claims from this paper (7)

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The diel differences in latent heat flux did not establish a statistically significant or biologically relevant decrease in seasonal water-use of the intercrop.

Taxon: maize and soybeanGlycine max Zea mayst0
Outcome: seasonal water‐usee1
Qualifier: statistically significant or biologically relevant decreasee1

Verbatim

t0
“intercropped maize and soybean”
✓ located verbatim in the source · title, characters 56–86

e1
“the diel differences in λET fluxes were not sufficient to establish a statistically significant or biologically relevant decrease in seasonal water‐use”
✓ located after whitespace/quote normalisation · abstract, characters 1394–1546

Title

Photosynthesis, yield, energy balance, and water‐use of intercropped maize and soybean

Elena A. Pelech; Brendan C. S. Alexander; Carl J. Bernacchi Plant Direct 2021. doi:10.1002/pld3.365

Other claims from this paper (10)

Intervention effect Photosynthetic capacity and grain yield of maize were conserved in the intercrop.
Intervention effect Competitive shading by maize reduced light for intercropped soybean to 80%–90% of incident light at canopy closure.
Intervention effect Intercropped soybean had a 94% decrease in grain yield compared with soybean monoculture.
Intervention effect The additive intercrop increased total grain yield per unit area by 11% ± 6%.
Intervention effect Compared with maize monoculture, the intercrop had higher latent heat fluxes at night.
Intervention effect The intercrop had lower daytime latent heat flux than maize monoculture.
Intervention effect The intercrop canopy surface temperature was about 0.25 °C warmer than in maize monoculture.
Mechanism The warmer intercrop canopy partitioned more energy to sensible heat flux.
Observation The intercrop land-use efficiency gain did not establish an increase in seasonal water-use efficiency.
Recommendation Intercropping high-performing maize and soybean cultivars in a dense configuration without negative impact may improve yield and water-use efficiency benefits.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Late calcium ammonium nitrate did not significantly decrease berry sugar or increase berry acid.

Treatment: Calcium ammonium nitratee0
Outcome: berry sugar or increasing berry acide0
Direction: without significantly decreasinge0

Not reportedTaxonComparatorValue

Verbatim

e0
“Calcium ammonium nitrate applied in late July or late August increased yield the following season without significantly decreasing berry sugar or increasing berry acid”
✓ located verbatim in the source · abstract, characters 785–952

Title

Effect of growth regulators and dormancy‐breaking chemicals on bud break and yield of ‘Palomino’ grape vines

M. E. Hopping New Zealand Journal of Crop and Horticultural Science 1977. doi:10.1080/03015521.1977.10425993

Other claims from this paper (9)

Intervention effect Morphactin increased subsequent bud break.
Intervention effect Morphactin significantly reduced yield.
Intervention effect 6‐benzylaminopurine did not affect bud break or yield.
Intervention effect 2‐chloroethyltrimethylammonium chloride did not affect bud break or yield.
Intervention effect Thiourea increased bud break in one year when applied before expected bud break.
Intervention effect Thiourea increased fruitful shoots in one year.
Intervention effect Thiourea increased yield per bud in one year.
Intervention effect Winter applications of listed dormancy-breaking chemicals did not affect bud break or fruitful shoots.
Intervention effect Late July or August calcium ammonium nitrate increased next-season yield.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Wheat grain yield decreased non-significantly by 3.52% at 50 mg L-1 nitrate compared with control.

Taxon: wheatTriticum aestivume2
Treatment: 50 mg L-1e2
Outcome: grain yielde2
Direction: decreasee2
Value: 3.52% declinee2
Comparator: controle2

Verbatim

e2
“but grain yield of wheat was non-significantly decrease at 50 mg L-1 with 3.52% decline comparison control”
✓ located verbatim in the source · abstract, characters 487–593

Title

Nitrate in irrigation water and its impact on growth of wheat and lettuce.

Essam Tawfiek Al-Azhar Journal of Agricultural Research 2024. doi:10.21608/ajar.2024.229849.1222

Other claims from this paper (5)

Associationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Greater tillage thickness reduced maize yield without a significant difference.

Taxon: maizeZea mayse0
Treatment: thickness of tillagee0
Outcome: yields of maizee0
Direction: decreasee0

Verbatim

e0
“With the thickness of tillage increased,plant height,stem diameter,total root length,chlorophyll a and yields of maize were decrease,but effect was not significantly distinct”
✓ located verbatim in the source · abstract, characters 1968–2142

Title

Effects of Bulk Density on Root Growth of High Yield Maize and Their Regulation

XU Long-chao Acta Agriculturae Boreali-Sinica 2012

Other claims from this paper (12)

Association Maize root growth indexes declined as bulk density increased.
Intervention effect Root growth parameters differed when density changed from 1.2 to 1.3 g/cm3.
Association Above 1.3 g/cm3 density had no obvious influence on root growth.
Association Root activity decreased as density rose above 1.3 g/cm3.
Intervention effect Organic fertilizer was more effective at high soil density.
Intervention effect Organic fertilizer at 4% and 5% had no obvious treatment effect.
Intervention effect Organic fertilizer reduced soil bulk density.
Intervention effect Organic fertilizer increased soil porosity, water capacity and air porosity.
Association Greater tillage thickness reduced plant height, stem diameter and total root length without a significant difference.
Association Greater tillage thickness reduced chlorophyll a without a significant difference.
Intervention effect Adjusting top-layer thickness from 30 to 40 cm did not change maize growth index.
Recommendation The authors recommend organic fertilizer and turn-over tillage for compact soil.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Two adult aphids per head did not significantly reduce wheat yield.

Taxon: WheatTriticum aestivumt0
Treatment: two adult aphids per heade0
Interactor: Sitobion avenae (F.)Sitobion avenaet1pest
Outcome: yielde0
Direction: no significant decreasee0

Not reportedComparator

Verbatim

e0
“there was no significant decrease in yield at a density of two adult aphids per head”
✓ located verbatim in the source · abstract, characters 1083–1167

t0
“Wheat Plants”
✓ located verbatim in the source · title, characters 96–108

t1
“Sitobion avenae (F.)”
✓ located verbatim in the source · title, characters 35–55

Title

Impact of the English Grain Aphid, Sitobion avenae (F.) (Homoptera: Aphididae), on the Yield of Wheat Plants Subjected to Water Deficits

A. Fereres; C. Gutierrez; P. Del Estal; et al. Environmental Entomology 1988. doi:10.1093/ee/17.3.596

Other claims from this paper (8)

Intervention effect Water deficits appeared to reduce aphid reproductive rates, without a significant difference.
Intervention effect Water stress was the largest significant factor reducing wheat growth and yield.
Intervention effect Water stress reduced wheat leaf stomatal conductance.
Intervention effect Six adult aphids per head reduced most wheat yield components under nonstress conditions.
Observation Treatments did not differ significantly under moderate water stress.
Intervention effect Six aphids per head reduced kernel weight by up to 39.3% under severe water stress relative to noninfested plants.
Association Aphid-associated yield reduction was significantly greater under severe water stress than nonstress conditions.
Recommendation The authors suggest considering plant water status when setting the economic injury level for S. avenae in winter wheat.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Shelters did not significantly decrease leaf photosynthetic rate, stomatal conductance or transpiration.

Taxon: rabbiteye blueberrye0
Organ / stage: leavese0
Treatment: rain shelter conditionse0
Outcome: net photosynthetic rate (Pn), stomatal conductance (Gs), and transpiration rate (E)e0
Direction: did not significantly decreasee0

Not reportedComparator

Verbatim

e0
“rain shelter conditions did not significantly decrease the net photosynthetic rate (Pn), stomatal conductance (Gs), and transpiration rate (E) of the rabbiteye blueberry leaves.”
✓ located verbatim in the source · abstract, characters 857–1034

Title

Effect of Rain-Shelter Cultivation on Yield and Fruit Quality of Container-Grown Rabbiteye Blueberry in Central-Eastern China

Jiguang Wei; Jiafeng Jiang; Liangliang Tian; et al. Plants 2025. doi:10.3390/plants14081167

Other claims from this paper (6)

Intervention effect Rain shelters did not significantly change air temperature or relative humidity.
Intervention effect Rain shelters significantly reduced photosynthetically active and UV radiation at the canopy.
Intervention effect Shelters did not significantly affect fruit yield or berry weight.
Intervention effect Shelters produced no significant differences in soluble solids, acidity and flavonoids.
Intervention effect Shelters significantly decreased total polyphenols in low rainfall years.
Intervention effect Shelters significantly decreased anthocyanins in low rainfall years.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics