Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

In Phormium tenax the decrease in growth was associated with a decrease in the number of leaves produced per ramet.

Taxon: P. tenaxPhormium tenaxe3
Organ / stage: ramete3
Outcome: number of leaves produced per ramete3
Direction: decreasee3

Verbatim

e3
“In P. tenax the decrease in growth was associated with a decrease in the number of leaves produced per ramet”
✓ located verbatim in the source · abstract, characters 1261–1369

Title

Regression analysis of growth responses to water depth in three wetland plant species

B. K. Sorrell; C. C. Tanner; H. Brix AoB Plants 2012. doi:10.1093/aobpla/pls043

Other claims from this paper (11)

Intervention effect Phormium tenax growth decreased rapidly in standing water deeper than 0.25 m.
Intervention effect Carex secta growth increased initially with depth.
Intervention effect Carex secta growth decreased at depths >0.30 m.
Association Carex secta shoot height increased with water depths >0.30 m.
Association Carex secta shoot density decreased with water depths >0.30 m.
Intervention effect Tenax-free growth of T. orientalis was unaffected across the 0- to 0.50-m depth range.
Association In Carex secta the effect of water depth was greatest for the tallest shoots.
Intervention effect Allocation patterns were unaffected by water depth.
Method / resource Quantile regression analysis distinguished genuine phenotypic responses to water depth from non-phenotypic variation.
Mechanism Zonation of wetland plants in the field is primarily structured by competition in shallow water and by physiological flooding tolerance in deep water.
Observation Growth responses to depth differed between the three wetland plant species and were non-linear.

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decrease in some proximate compositions implies a decrease in the nutritive values of the seeds.

Taxon: T. africanaTreculia africanae1
Treatment: different storage treatmentse1
Outcome: nutritive valuese1
Direction: decreasee1

Verbatim

e1
“The decrease in some proximate compositions of T. africana seeds subjected to different storage treatments implies a decrease in the nutritive values of the seeds”
✓ located verbatim in the source · abstract, characters 1910–2072

Title

Effect of Storage Methods on the Germination and Proximate Composition of Treculia africana Seeds

Jonathan C. Onyekwelu; Olawole J. Fayose 2007

Other claims from this paper (14)

Intervention effect Storage in deep freezer, room condition (over one week) and sun drying killed T. africana seeds.
Intervention effect Storage methods and storage duration both had a significant effect on germination (p < 0.05).
Association For storage methods that did not kill seeds, germination decreased significantly and progressively as storage duration increased.
Intervention effect Seeds stored in a refrigerator for up to four weeks gave better germination results.
Intervention effect Storage in refrigerator beyond four weeks killed the seeds.
Intervention effect Except for one to two weeks of refrigerator storage, germination of control seeds was significantly higher than under all storage treatments.
Observation Fresh T. africana seeds have 38.26 carbohydrate.
Observation Fresh T. africana seeds have 17.67 crude protein.
Observation Fresh T. africana seeds have 3.82 moisture.
Observation Fresh T. africana seeds have 15.85 crude fibre.
Observation Fresh T. africana seeds have 3.97 ash.
Observation Fresh T. africana seeds have 15.85 ether extract.
Intervention effect Proximate compositions of fresh seeds were generally higher than those of seeds under storage treatments.
Intervention effect Storage methods and duration both significantly affected proximate values (p < 0.05).

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Needle chlorosis related more to a decrease in chlorophyll concentration than to a decrease in the total chlorophyll to carotenoid ratio.

Taxon: Piceaabiese0
Organ / stage: Needlee2
Outcome: chlorophyll concentratione2
Direction: decreasee2

Verbatim

e0
“Increasing needle chlorosis at a declining Piceaabies (L.) Karst. site in northeast Bavaria, Germany”
✓ located verbatim in the source · abstract, characters 0–100

e2
“Needle chlorosis related more to a decrease in the chlorophyll concentration than to a decrease in the ratio of total chlorophyll to carotenoids”
✓ located verbatim in the source · abstract, characters 292–436

Title

Chlorophyll–nutrient relationships identify nutritionally caused decline in Piceaabies stands

R. Oren; K.S. Werk; N. Buchmann; et al. Canadian Journal of Forest Research 1993. doi:10.1139/x93-150

Other claims from this paper (8)

Observationobservedoriginal resultpositiveprojected

Claim · model-written summary

Probability of a yield decrease declined from 1.5 to 2.0 °C warming.

Outcome: probability of a crop yield decreasee0
Direction: decreasee0

Not reportedTaxon

Verbatim

e0
“the probability of a crop yield decrease would decrease”
✓ located verbatim in the source · abstract, characters 2124–2179

Title

Impacts of climate change and climate extremes on major crops productivity in China at a global warming of 1.5 and 2.0 °C

Yi Chen; Zhao Zhang; Fulu Tao Earth System Dynamics 2018. doi:10.5194/esd-9-543-2018

Other claims from this paper (15)

Observation Climate change projected shorter crop growth duration.
Observation Climate change projected more extreme events.
Observation Moderate climate change could enhance canopy photosynthesis.
Observation Moderate climate change could enhance biomass accumulation and yields.
Observation Moderate change slightly worsened the maize growth environment.
Observation Moderate change made the wheat growth environment more appropriate.
Observation Moderate change made the rice growth environment more appropriate.
Observation Wheat yield was projected to change +3.9% at 1.5 °C.
Observation Wheat yield was projected to change +8.6% at 2.0 °C.
Observation Rice yield was projected to change +4.1% at 1.5 °C.
Observation Rice yield was projected to change +9.4% at 2.0 °C.
Observation Maize yield was projected to change +0.2% at 1.5 °C.
Observation Maize yield was projected to change −1.7% at 2.0 °C.
Observation Yield variability increased from 1.5 to 2.0 °C warming.
Recommendation The authors consider 2.0 °C warming more suitable for crop production in China.

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decrease in vegetation value is mainly due to a decrease in moist heath, dry sandy pioneer communities and grasslands on relatively poor soils.

Outcome: decreasee0
Direction: decreasee0
Comparator: moist heath, dry sandy pioneer communities and grasslands on relatively poor soilse0

Not reportedTaxon

Verbatim

e0
“The decrease is mainly due to a decrease in moist heath, dry sandy pioneer communities and grasslands on relatively poor soils”
✓ located verbatim in the source · abstract, characters 1325–1451

Title

Phytosociological and floristic evaluation of a 15-year ecological management of road-side verges in the Netherlands

K.V. Sýkora; Jesse M. Kalwij; P.J. Keizer Socio-Environmental Systems Modeling 2002

Other claims from this paper (14)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Root nitrogen showed only a slight decrease.

Taxon: maizeZea mayst0
Outcome: nitrogen (N)e0
Direction: decreasee0

Verbatim

e0
“Only a slight decrease in nitrogen (N) was observed.”
✓ located verbatim in the source · abstract, characters 962–1014

t0
“maize”
✓ located verbatim in the source · title, characters 21–26

Title

Aluminum toxicity in maize: Biomass production and nutrient uptake and translocation

Fernando C. Lidon; Helena G. Azinheira; Maria G. Barreiro Journal of Plant Nutrition 2000. doi:10.1080/01904160009382005

Other claims from this paper (16)

Intervention effect Root aluminum concentration rose threefold across the 0 to 3.00 mM aluminum treatments.
Observation Aluminum was not detected in shoots.
Intervention effect Root plasma membrane H+ ATPase activity declined after 0.33 mg L‐1 Al.
Intervention effect Root membrane permeability increased up to 1.00 mM Al.
Intervention effect Root and shoot biomass declined after 0.33 mM Al treatment.
Observation Most root element concentrations peaked at 0.33 mM Al, except K, Mn and Zn.
Intervention effect Root potassium increased continuously from 0 to 3.00 mM Al.
Intervention effect Root iron decreased above 0.33 mM Al.
Intervention effect Most measured shoot nutrients declined above 0.33 mM Al, except N, Mn and Fe.
Observation Shoot calcium and magnesium showed little variation with Al.
Observation Maximum net uptake of most mineral nutrients occurred by 0.33 mM Al, except Mn.
Intervention effect Translocation of P, K, Mn and Zn declined above 0.33 mM Al.
Intervention effect Translocation of N and Ca declined with any added Al.
Observation Mg and Fe translocation showed no clear trend.
Intervention effect Electrolytic conductance did not rise significantly across 0 to 3.00 mM Al.
Mechanism The authors infer that inhibited root-to-shoot translocation is not directly caused by increasing membrane degradation.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

A. sterilis had a marginal flowering-stage decrease in leaf area.

Taxon: A. sterilisAvena sterilise0
Outcome: decrease in leaf area productione0
Direction: decreasee0

Verbatim

e0
“at flowering stage, the decrease in leaf area production was marginal in A. sterilis followed by A. abyssinica”
✓ located verbatim in the source · abstract, characters 450–560

Title

Studies on morpho-physiological characters of different Avena species under stress conditions

C P H; ey; J Baig M; et al. AFRICAN JOURNAL OF BIOTECHNOLOGY 2013. doi:10.5897/ajb12.1044

Other claims from this paper (18)

Intervention effect Soil moisture stress reduced plant height.
Intervention effect Soil moisture stress reduced leaf area production.
Intervention effect Soil moisture stress reduced biomass yield.
Observation Avena vaviloviana had minimal height reduction at vegetative and flowering stages.
Observation Avena abyssinica had minimal height reduction at vegetative and flowering stages.
Observation Avena sterilis had minimal height reduction at vegetative and flowering stages.
Observation Leaf area production decreased significantly at the vegetative stage.
Observation A. abyssinica followed A. sterilis for marginal flowering-stage leaf-area decline.
Observation Specific leaf weight increased in all Avena species under moisture stress.
Observation Increased specific leaf weight indicated greater leaf thickness.
Observation Stress reduced fresh biomass yield at vegetative and flowering stages.
Observation A. sterilis had the smallest vegetative-stage dry biomass decline.
Observation A. strigosa followed A. sterilis for vegetative-stage dry biomass retention.
Observation A. sativa followed A. strigosa for vegetative-stage dry biomass retention.
Observation At flowering, A. sterilis had only 3.47% dry biomass decline.
Observation At flowering, A. marocana had 12.56% dry biomass decline.
Association Leaf area and dry biomass were positively correlated under stress.
Observation A. sterilis had maximum fresh and dry biomass under stress.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The decrease in CO2 assimilation rate was attributed to a decrease in RuBP regeneration capacity rather than to a decrease in Rubisco activity.

Taxon: rice (Oryza sativa L.)Oryza sativae1
Outcome: CO2 assimilation ratee4
Qualifier: decrease in RuBP regeneration capacitye4

Verbatim

e1
“Photosynthetic characteristics in rice (Oryza sativa L.) leaves were examined after treatment with low temperature (15 degrees C) and high irradiance (1,500 micromol quanta m(-2) s(-1))”
✓ located verbatim in the source · abstract, characters 0–185

e4
“These results indicate that the decrease in CO2 assimilation rate with the decreasing F(v)/F(m) was not caused by a decrease in Rubisco activity but rather by a decrease in RuBP regeneration capacity”
✓ located verbatim in the source · abstract, characters 892–1091

Title

The Photosynthetic Properties of Rice Leaves Treated with Low Temperature and High Irradiance

Naoki Hirotsu; Amane Makino; Satoshi Yokota; et al. Plant and Cell Physiology 2005. doi:10.1093/pcp/pci149

Other claims from this paper (9)

Intervention effect Low temperature and high irradiance decreased PhiPSII, PhiPSI and the rate of CO2 assimilation in rice leaves.
Association In rice leaves, decreases in PhiPSII were most highly correlated with the decreases in CO2 assimilation.
Intervention effect Low temperature and high irradiance decreased the initial and total Rubisco activities slightly.
Intervention effect The maximal Rubisco activity remained almost constant under low temperature and high irradiance.
Intervention effect Under low temperature and high irradiance, the decrease in PhiPSI was very small.
Intervention effect Under low temperature and high irradiance, the ratio of PhiPSI to PhiPSII increased.
Intervention effect Low temperature and high irradiance increased the de-epoxidation state of xanthophyll cycle pigments.
Observation Cyclic electron transport around PSI occurred in photoinhibited rice leaves.
Association CO2 assimilation rate decreased with a decrease in the maximal quantum efficiency of PSII (Fv/Fm) under low temperature and high irradiance.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

A 1 mm decrease in seasonal precipitation corresponded to a 0.736 kg/ha decrease in pea yield.

Taxon: peaLathyrus oleraceuse0
Treatment: total precipitation for the growing seasone0
Outcome: pea yieldse0
Direction: decreasee0
Value: 0.736 kg/hae0
Qualifier: 1 mme0

Verbatim

e0
“The 1 mm decrease in the total precipitation for the growing season will lead to a decrease in pea yields by an average of 0.736 kg/ha.”
✓ located verbatim in the source · abstract, characters 2051–2186

Title

Dependence of the Pea Grain Yield on Climatic Factors under Semi-Arid Conditions

Vasiliy Gudko; Alexander Usatov; Tatiana Minkina; et al. Agronomy 2024. doi:10.3390/agronomy14010133

Other claims from this paper (12)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Maize roots caused a 5.4% decrease in soil organic C, compared with a 1.2% decrease in unplanted soil.

Taxon: maizeZea mayse0
Treatment: Plant rootse1
Outcome: soil organic Ce1
Direction: decreasee1
Value: 5.4%e1
Comparator: unplanted control soile1

Verbatim

e0
“in the rhizosphere of maize plants”
✓ located verbatim in the source · abstract, characters 71–105

e1
“Plant roots induced a 197% increase in microbial biomass and a 5.4% decrease in soil organic C compared with an 1.2% decrease in the unplanted control soil”
✓ located verbatim in the source · abstract, characters 372–527

Title

Effect of plant roots on carbon metabolism of soil microbial biomass

H. M. Helal; D. Sauerbeck Zeitschrift für Pflanzenernährung und Bodenkunde 1986. doi:10.1002/jpln.19861490205

Other claims from this paper (8)

“decrease in A”

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