Search claims · PlantClaims

Mechanismauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Leaf rust defoliation can decrease photosynthesis.

Taxon: southern highbush blueberriese1
Outcome: photosynthesise0
Direction: decreasee0
Qualifier: defoliatione0

Verbatim

e0
“Severe leaf rust causes defoliation in the fall or early winter, which can decrease floral bud differentiation, photosynthesis, and the next season’s fruit yield”
✓ located verbatim in the source · abstract, characters 151–312

e1
“southern highbush blueberries”
✓ located verbatim in the source · abstract, characters 37–66

Title

Leaf Rust Disease of Southern Highbush Blueberry in Florida

Philip F. Harmon; Christ Mane Belizaire; Douglas A. Phillips EDIS 2025. doi:10.32473/edis-pp385-2025

Other claims from this paper (4)

Associationobservedoriginal resultmeasured

Claim · model-written summary

The decrease in grain weight per ear was not proportional to the decrease in photosynthesis.

Taxon: bread wheatTriticum aestivumt0
Treatment: shading treatmentse1
Outcome: grain weight per eare0
Direction: decreasee0
Qualifier: decrease in photosynthesise0

Verbatim

t0
“bread wheat”
✓ located verbatim in the source · title, characters 115–126

e0
“The decrease in grain weight per ear plotted against the decrease in photosynthesis (evaluated through ETR or An) did not fit a 1 : 1 relationship.”
✓ located verbatim in the source · abstract, characters 1855–2002

e1
“in shading treatments”
✓ located verbatim in the source · abstract, characters 1786–1807

Title

Methodological aspects and impact on grain weight of source reduction through shade meshes during grain filling of bread wheat

Maria L. Maydup; Mariana Antonietta; Nicolás Rouillet; et al. Crop and Pasture Science 2020. doi:10.1071/cp18565

Other claims from this paper (10)

Intervention effect Midday ETR and carbon assimilation fell under shade, but less than proportionally to mesh light transmittance.
Observation Mesh-induced reductions in transmittance and photosynthesis were greater in morning and afternoon than at midday.
Association Control wheat midday ETR declined progressively with grain-filling age relative to shade treatments.
Observation Initial photosynthesis differences between shade treatments diminished during grain filling.
Intervention effect Shade lowered air temperature, especially at midday.
Intervention effect Severe shade produced the lowest measured canopy temperature.
Intervention effect Shade delayed senescence at 19 days after anthesis.
Intervention effect Shade reduced grain weight per ear, mainly at 50% and 10% transmittance.
Observation Stem dry matter retranslocation increased under shade.
Recommendation Using light attenuation alone to estimate source reduction may bias estimates.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis tended to decrease under N deficiency but contributed little to reduced carbon gain.

Taxon: grapevineVitist0
Treatment: N deficiencye0
Outcome: photosynthesis ratee0
Direction: decreasee0

Verbatim

e0
“photosynthesis rate tended to decrease under N deficiency over the season, it only poorly contributed to the reduction in C gain”
✓ located verbatim in the source · abstract, characters 2580–2708

t0
“grapevine”
✓ located verbatim in the source · title, characters 21–30

Title

Gradual responses of grapevine yield components and carbon status to nitrogen supply

Sylvain Vrignon-Brenas; Metay Aurélie; Leporatti Romain; et al. OENO One 2019. doi:10.20870/oeno-one.2019.53.2.2431

Other claims from this paper (13)

Intervention effect Under low nitrogen, SPAD declined from 31 to 16 in the first year.
Intervention effect In year two, SPAD was 40 at 160N and 19 at 0N after budburst.
Observation SPAD differences among nitrogen treatments persisted through 2018 harvest.
Intervention effect Berry number per inflorescence ranged from 180 at 80N to 34 at 0N.
Intervention effect Individual berry dry matter increased from 0.13 at 160N to 0.41 g at 0N.
Association Lower N reduced carbon gain mainly through leaf area reduction before flowering.
Association Whole-plant carbon growth fell with declining nitrogen status by -1.13% at harvest.
Association Shoot dry matter was inhibited before veraison by -1.81%.
Association Berry dry matter was lower by -0.80% at harvest.
Association Trunk dry matter was lower by -0.42% at harvest.
Association Root dry matter was lower by -0.84% at harvest.
Association Lower root starch reserves were associated with root dry matter reduction at harvest.
Intervention effect Starch reserves tended to be higher under organic than mineral nitrogen supply.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

M. hupehensis had the smallest photosynthesis rate decrease, 7.06%.

Taxon: M.hupehensis Rehd.Malus hupehensise0
Outcome: photosynthesis ratee0
Direction: decreasee0
Value: 7.06%e0

Not reportedTreatmentComparator

Verbatim

e0
“M.hupehensis Rehd.exhibited the lowest decrease in photosynthesis rate,chlorophyll and carotinoid contents,i.e.7.06%,9.15%and 8.17%,respectively.”
✓ located verbatim in the source · abstract, characters 436–581

Title

Study on the Difference of Adaptability to Replant Soil in Five Apple Rootstock Seedlings

Yuanzheng Wang Acta Horticulturae Sinica 2011

Other claims from this paper (11)

Intervention effect Replant soil reduced photosynthesis rate and leaf phytochrome content in all rootstocks.
Intervention effect M. hupehensis had the smallest chlorophyll decrease, 9.15%.
Intervention effect M. hupehensis had the smallest carotenoid decrease, 8.17%.
Intervention effect Replant soil increased root antioxidant enzymes and malondialdehyde in apple rootstocks.
Intervention effect M. hupehensis root SOD activity increased by 3.72%, the smallest increase.
Intervention effect M. hupehensis root POD activity increased by 26.60%, the smallest increase.
Intervention effect M. hupehensis root CAT activity increased by 23.78%, the smallest increase.
Intervention effect M. hupehensis root MDA content increased by 15.24%.
Intervention effect M. micromalus had the greatest MDA increase, 54.56%.
Intervention effect Replant conditions reduced biomass, height and ground diameter in all five rootstocks.
Observation M. hupehensis had the best tolerance to apple replant disease among the tested rootstocks.

Intervention effectauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Alternative irrigation causes a minor decrease of photosynthesis speed.

Taxon: cropse0
Treatment: Alternative irrigation technologye0
Outcome: photosynthesis speede0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Alternative irrigation technology can significantly increase the water use efficiency(WUE) of crops,improve the quality of products,create a special root system favorable for improving crop WUE,and remarkably reduce evaporation speed under minor decrease of photosynthesis speed”
✓ located verbatim in the source · abstract, characters 225–503

Title

Research Progress and Prospect on Alternative Irrigation Technology of Divided Root

Qiang Chai Journal of Agricultural Science and Technology 2010

Other claims from this paper (7)

Intervention effect Alternative irrigation significantly increases crop water use efficiency.
Intervention effect Alternative irrigation improves product quality.
Intervention effect Alternative irrigation creates a root system favorable for crop water use efficiency.
Intervention effect Alternative irrigation reduces evaporation speed.
Mechanism Alternative irrigation improves drought resistance and water use efficiency through biochemical adjustment.
Intervention effect Alternative irrigation favors moisture compensation and nutrient utilization efficiency.
Intervention effect Alternative irrigation decreases useless evaporation and leakage.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Monuron caused the greatest decrease in apple net photosynthesis.

Taxon: apple treesMalus domesticae1
Material: ‘Golden Delicious’/M 7e1
Treatment: Monurone0
Outcome: Pne0
Direction: greatest decreasee0
Setting: greenhousee1

Not reportedComparator

Verbatim

e0
“Monuron caused the greatest decrease in Pn, followed by atrazine and simazine.”
✓ located verbatim in the source · abstract, characters 215–293

e1
“greenhouse grown ‘Golden Delicious’/M 7 apple trees ( Malus domestica Borkh.)”
✓ located verbatim in the source · abstract, characters 95–172

Title

Effect of Some Soil-applied Herbicides on Net Photosynthesis and Growth of Apple Trees1

Dharam P. Sharma; David C. Ferree; Fred O. Hartman HortScience 1977. doi:10.21273/hortsci.12.2.153

Other claims from this paper (6)

Intervention effect Atrazine decreased apple net photosynthesis, less than monuron.
Intervention effect Simazine decreased apple net photosynthesis, less than atrazine.
Intervention effect Diuron had no effect on apple net photosynthesis.
Intervention effect Monuron decreased the apple plastochron index.
Intervention effect Atrazine decreased the apple plastochron index.
Observation Herbicide effects on apple net photosynthesis appeared by day 10 and persisted through day 40.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Low light decreased black gram yield through lower dry matter production associated with poor photosynthesis.

Taxon: black gramVigna mungot0
Treatment: low lighte0
Outcome: decrease in yielde0
Direction: decreasee0
Qualifier: poor photosynthesise0

Verbatim

e0
“The decrease in yield under low light was due to a decrease in DMP due to poor photosynthesis”
✓ located verbatim in the source · abstract, characters 426–519

t0
“BLACK GRAM”
✓ located verbatim in the source · title, characters 90–100

Title

EFFECT OF SOURCE SINK MANIPULATION ON NODULATION, DRY MATTER PRODUCTION AND SEED YIELD OF BLACK GRAM

PRAKASA RAO J.S Madras Agricultural Journal 1995. doi:10.29321/maj.10.a01287

Other claims from this paper (4)

Intervention effect Greater leaf source below node six improved nodulation and nitrogen content in black gram.
Observation Leaves above node seven influenced black gram pod yield.
Mechanism Deflowering revealed competition for assimilates between nodule growth and developing pods.
Mechanism The authors suggest a possible source limitation on black gram yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased photosynthesis productivity in Miscanthus sacchariflorus.

Taxon: Miscanthus sacchariflorusMiscanthus saccharifloruse0
Treatment: droughte0
Outcome: photosynthesis productivitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“In Miscanthus sacchariflorus drought leads to the decrease in photosynthesis productivity”
✓ located verbatim in the source · abstract, characters 989–1078

Title

THE EFFECT OF WATER DEFICIENCY ON THE PRODUCTION PROCESS OF MISCANTHUS (MISCANTHUS SPP.)

Aleksandr Anisimov; Anastasiya Skorokhodova; Dmitriy Skorokhodov 3i intellect idea innovation - интеллект идея инновация 2024. doi:10.52269/22266070_2024_1_20

Other claims from this paper (4)

Intervention effect Prolonged drought decreased relative growth rate in all Miscanthus species.
Intervention effect Water consumption efficiency in drought stressed Miscanthus sacchariflorus remained at its normal water supply level.
Intervention effect Miscanthus giganteus maintained or optimized photosynthetic productivity and increased water utilization efficiency under drought.
Intervention effect Miscanthus sinansis maintained or optimized photosynthetic productivity and increased water utilization efficiency under drought.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

CPPU tended to decrease photosynthesis rates and stem water potential.

Taxon: verdejo grapest0
Treatment: CPPUe0
Outcome: photosynthesis rates and the stem water potentiale0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“CPPU was applied using a concentration of 15 mg/L, by spraying the bunches when the berries were 5-6 mm in diameter. The photosynthesis rates and the stem water potential, measured after the application, tended to decrease in the treated plants”
✓ located verbatim in the source · abstract, characters 476–720

t0
“verdejo grapes”
✓ located verbatim in the source · title, characters 75–89

Title

Effects of the application of forchlorfenuron (CPPU) on the composition of verdejo grapes

Marie Azuara; María-Rosa González; Rafael Mangas; et al. BIO Web of Conferences 2023. doi:10.1051/bioconf/20235601022

Other claims from this paper (5)

Intervention effect CPPU did not change vine yield or vigour.
Intervention effect CPPU increased grape must soluble solids by 15.4% relative to controls.
Intervention effect CPPU increased grape must total polyphenols by 7% relative to controls.
Recommendation The authors suggest CPPU could improve Verdejo grape quality.
Recommendation The authors suggest CPPU for conditions where grape harvests struggle to mature.

Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

Reduced photosynthesis and chlorophyll content may explain the decrease in agronomic parameters under drought.

Taxon: Brassica napusBrassica napuse0
Outcome: all agronomic parameterse3
Qualifier: reduction of photosynthesis and chlorophyll contente5

Verbatim

e0
“oilseed rape (Brassica napus L.) genotypes”
✓ located verbatim in the source · abstract, characters 285–327

e3
“Field results showed that drought stress and absence of super absorbent lead to a decrease in all agronomic parameters”
✓ located verbatim in the source · abstract, characters 1653–1771

e5
“These results may be due to the reduction of photosynthesis and chlorophyll content”
✓ located verbatim in the source · abstract, characters 1773–1856

Title

RESPOSTA DE SEIS GENÓTIPOS DE CANOLA A ESTRESSE HÍDRICO E APLICAÇÃO DE HIDROGEL

Hamid Reza Tohidi‐Moghadam; A H Shiranirad; G. Nour-Mohammadi; et al. LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) 2009

Other claims from this paper (8)

Intervention effect Water stress decreased total biomass, seed yield components and harvest index in oilseed rape.
Intervention effect Water stress decreased chlorophyll content in oilseed rape.
Intervention effect Super absorbent at 7% increased agronomic and physiological characters performance under field conditions.
Intervention effect Drought stress and absence of super absorbent decreased all agronomic parameters in field results.
Intervention effect Super absorbent increased yield and its components in oilseed rape.
Intervention effect Super absorbent decreased plant water requirement in oilseed rape.
Intervention effect Super absorbent reduced the destructive effect of water deficiency in oilseed rape.
Association Irrigation, presence of super absorbent and genotype produced significant differences in agronomic and physiological characters of oilseed rape.

“decrease of the photosynthesis”

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