Stevia 1,646 claims

genus · family Asteraceae · green plant · NCBI Taxonomy ↗

5 spellings

Questions studied on this organism58 questions1 with results that differ107 papers

Stevia · picture of the genus (one of its species)Ethel Aardvark · CC BY 3.0 · Wikimedia Commons ↗

1,646 claims

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

R1B0 had the highest leaf dry weight, 2.88 g/plant.

Taxon: SteviaSteviae1
Treatment: R1B0e0
Outcome: leaf dry weightse0
Direction: higheste0
Value: 2.88e0
Comparator: R0B1e0

Verbatim

e0
“the highest and lowest leaf dry weights were recorded in the R1B0 (R:B = 1:0) and R0B1 (R:B = 0:1) groups, at 2.88 and 1.98 g/plant, respectively”
✓ located verbatim in the source · abstract, characters 371–516

e1
“These findings suggest an optimized lighting strategy for the four growth stages of hydroponic Stevia, sequentially applying R4B1, R4B1, R4B1 and R0B1 to enhance biomass accumulation and SG production at different developmental stages”
✓ located verbatim in the source · abstract, characters 1072–1306

Title

Effect of Red–Blue Light Ratios on Leaf Development and Steviol Glycoside Production at Different Growth Stages in Hydroponic Stevia

Cheng Tai Chou; Vivian Christabel; Mai Anh Le; et al. Agronomy 2026. doi:10.3390/agronomy16080770

Other claims from this paper (8)

Intervention effect R0B1 had the lowest leaf dry weight, 1.98 g/plant.
Intervention effect R0B1 produced the highest total SG content, 196.32 mg/g.
Intervention effect R1B0 produced the lowest total SG content, 115.16 mg/g.
Intervention effect R0B1 had the highest total SG yield per square meter, 46.56 g/m2.
Intervention effect R50B37 had the lowest total SG yield per square meter, 35.70 g/m2.
Observation R4B1 favored optimal YSG in stages P1, P2, and P3.
Observation R0B1 favored optimal YSG at the P4 leaf senescence phase.
Recommendation The authors suggest sequential R4B1, R4B1, R4B1, and R0B1 lighting across four growth stages.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest sequential R4B1, R4B1, R4B1, and R0B1 lighting across four growth stages.

Taxon: SteviaSteviae0
Outcome: sequentially applying R4B1, R4B1, R4B1 and R0B1e0

Verbatim

e0
“These findings suggest an optimized lighting strategy for the four growth stages of hydroponic Stevia, sequentially applying R4B1, R4B1, R4B1 and R0B1 to enhance biomass accumulation and SG production at different developmental stages”
✓ located verbatim in the source · abstract, characters 1072–1306

Title

Effect of Red–Blue Light Ratios on Leaf Development and Steviol Glycoside Production at Different Growth Stages in Hydroponic Stevia

Cheng Tai Chou; Vivian Christabel; Mai Anh Le; et al. Agronomy 2026. doi:10.3390/agronomy16080770

Other claims from this paper (8)

Intervention effect R1B0 had the highest leaf dry weight, 2.88 g/plant.
Intervention effect R0B1 had the lowest leaf dry weight, 1.98 g/plant.
Intervention effect R0B1 produced the highest total SG content, 196.32 mg/g.
Intervention effect R1B0 produced the lowest total SG content, 115.16 mg/g.
Intervention effect R0B1 had the highest total SG yield per square meter, 46.56 g/m2.
Intervention effect R50B37 had the lowest total SG yield per square meter, 35.70 g/m2.
Observation R4B1 favored optimal YSG in stages P1, P2, and P3.
Observation R0B1 favored optimal YSG at the P4 leaf senescence phase.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Supplemental UV-C reduced cutting shoot height, weight and leaf area.

Taxon: steviaSteviae1
Treatment: addition of UV-C spectrume0
Outcome: plant height and weight, as well as leaf areae0
Direction: decreasee0
Comparator: controle0

Verbatim

e0
“The addition of UV-C spectrum negatively affected the growth and development of shoots from cuttings; a decrease in plant height and weight, as well as leaf area, was observed compared to the control”
✓ located verbatim in the source · abstract, characters 750–949

e1
“stevia plants”
✓ located verbatim in the source · abstract, characters 459–472

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.
Intervention effect Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.
Intervention effect Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.
Intervention effect Supplemental UV-C increased quercetin accumulation in developing stevia leaves.
Intervention effect UV-C increased total steviol glycosides in adult plants and cuttings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.

Taxon: steviaSteviae1
Treatment: variant with UV-Ce0
Outcome: amount of steviol glycosidese0
Direction: increasede0
Value: 4 %e0
Qualifier: 2.23 %e0
Comparator: variant close to daylight (C14Z40K42DK4)e0

Verbatim

e0
“The amount of steviol glycosides in adult plants in the variant close to daylight (C14Z40K42DK4) was the lowest (2.23 %), while in the variant with UV-C it increased almost twofold (4 %)”
✓ located verbatim in the source · abstract, characters 951–1137

e1
“stevia plants”
✓ located verbatim in the source · abstract, characters 459–472

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Supplemental UV-C reduced cutting shoot height, weight and leaf area.
Intervention effect Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.
Intervention effect Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.
Intervention effect Supplemental UV-C increased quercetin accumulation in developing stevia leaves.
Intervention effect UV-C increased total steviol glycosides in adult plants and cuttings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.

Taxon: steviaSteviae2
Treatment: C20Z20K53DK7 with UV-Ce0
Outcome: amount of steviol glycosidese1
Direction: highere0
Value: 5 %e0
Qualifier: 15 %e0

Not reportedComparator

Verbatim

e0
“In the variant C20Z20K53DK7 with UV-C, it was 15 % higher and reached the maximum (5 %)”
✓ located verbatim in the source · abstract, characters 1139–1226

e1
“amount of steviol glycosides”
✓ located verbatim in the source · abstract, characters 955–983

e2
“stevia plants”
✓ located verbatim in the source · abstract, characters 459–472

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Supplemental UV-C reduced cutting shoot height, weight and leaf area.
Intervention effect Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.
Intervention effect Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.
Intervention effect Supplemental UV-C increased quercetin accumulation in developing stevia leaves.
Intervention effect UV-C increased total steviol glycosides in adult plants and cuttings.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.

Taxon: steviaSteviae2
Treatment: addition of UV-Ce0
Outcome: amount of steviol glycosidese1
Direction: the samee0
Value: about 4 %e0
Qualifier: C23Z4K54DK19e0
Comparator: variant without the addition of UV-Ce0

Verbatim

e0
“Under red-blue spectrum diodes with a large proportion of far-red (C23Z4K54DK19), it was the same as in the variant without the addition of UV-C (about 4 %)”
✓ located verbatim in the source · abstract, characters 1228–1384

e1
“amount of steviol glycosides”
✓ located verbatim in the source · abstract, characters 955–983

e2
“stevia plants”
✓ located verbatim in the source · abstract, characters 459–472

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Supplemental UV-C reduced cutting shoot height, weight and leaf area.
Intervention effect Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.
Intervention effect Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.
Intervention effect Supplemental UV-C increased quercetin accumulation in developing stevia leaves.
Intervention effect UV-C increased total steviol glycosides in adult plants and cuttings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Supplemental UV-C increased quercetin accumulation in developing stevia leaves.

Taxon: steviaSteviae0
Organ / stage: actively developing stevia leavese0
Treatment: UV-C radiatione0
Outcome: accumulation of quercetine0
Direction: increaseinferrede0

Not reportedComparator

Verbatim

e0
“positive effect of UV-C radiation, supplementing the main PAR flux, on the accumulation of quercetin in actively developing stevia leaves”
✓ located verbatim in the source · abstract, characters 1412–1549

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Supplemental UV-C reduced cutting shoot height, weight and leaf area.
Intervention effect Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.
Intervention effect Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.
Intervention effect Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.
Intervention effect UV-C increased total steviol glycosides in adult plants and cuttings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

UV-C increased total steviol glycosides in adult plants and cuttings.

Taxon: steviaSteviae1
Organ / stage: adult plants and cuttingse0
Treatment: UV-C radiatione2
Outcome: total content of steviol glycosidese0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“an increase in the total content of steviol glycosides during irradiation of adult plants and cuttings”
✓ located verbatim in the source · abstract, characters 1554–1656

e1
“stevia plants”
✓ located verbatim in the source · abstract, characters 459–472

e2
“positive effect of UV-C radiation”
✓ located verbatim in the source · abstract, characters 1412–1445

Title

QUERCETIN AND STEVIOL GLYCOSIDES ACCUMULATION IN STEVIA REBAUDIANA PLANTS AS AFFECTED BY SUPPLEMENTARY TO THE MAIN PHOTOSYNTHETIC PHOTON FLUX UV-C IRRADIATION

Alina Ivanitskikh; Ivan Tarakanov Bulletin of KSAU 2026. doi:10.36718/1819-4036-2026-1-34-45

Other claims from this paper (5)

Intervention effect Supplemental UV-C reduced cutting shoot height, weight and leaf area.
Intervention effect Under the daylight-like spectrum, UV-C raised adult steviol glycosides from 2.23% to 4%.
Intervention effect Under C20Z20K53DK7, UV-C raised steviol glycosides 15% to 5%.
Intervention effect Under far-red-rich red-blue light, UV-C did not change steviol glycosides, about 4%.
Intervention effect Supplemental UV-C increased quercetin accumulation in developing stevia leaves.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Stevia responded positively only at 50 mg L−1.

Taxon: SteviaSteviae0
Treatment: 50 mg L−1e0
Outcome: positive responsee0
Direction: positivee0

Not reportedComparator

Verbatim

e0
“whereas Stevia showed a positive response only at 50 mg L−1”
✓ located verbatim in the source · abstract, characters 727–786

Title

Mitigating stress and boosting metabolites through the impact of ZnO nanoparticles on Stevia rebaudiana and Ocimum basilicum

Ayza Ali; Zainab Zia; Muhammad Waqas Kazmi; et al. International Journal of Phytoremediation 2026. doi:10.1080/15226514.2026.2627223

Other claims from this paper (4)

Intervention effect Ocimum basilicum germination was highest at 50 mg L−1.
Intervention effect Ocimum basilicum shoot growth was maximum at 100 mg L−1.
Intervention effect Ocimum basilicum root growth was maximum at 100 mg L−1.
Intervention effect ZnO nanoparticle treatment enhanced fatty acids, phenols and terpenes.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

An Adaptive Neuro-Fuzzy Inference System predicting timely harvest in Stevia reached an r2 of 0.99965 under leave-one-out cross-validation.

Taxon: SteviaSteviat0
Outcome: r2e0
Value: 0.99965e0
Qualifier: Leave-One-Out Cross-Validatione0

Verbatim

t0
“Stevia Crops”
✓ located verbatim in the source · title, characters 48–60

e0
“Leave-One-Out Cross-Validation was used, obtaining an r2 of 0.99965 and an Absolute Residual Error of 0.00064305”
✓ located verbatim in the source · abstract, characters 852–964

Title

Neuro-Fuzzy System to Predict Timely Harvest in Stevia Crops

Shanti-Maryse Gutiérrez-Magaña; Noel García-Díaz; Leonel Soriano-Equigua; et al. Agriculture 2025. doi:10.3390/agriculture15080840

Other claims from this paper (1)

Method / resource The same system had an absolute residual error of 0.00064305 under leave-one-out cross-validation.