Lactuca sativa 52,030 claims

species · family Asteraceae · green plant · NCBI Taxonomy ↗

Common name: garden lettuce — Also written in claims: lettuce · lettuce plants · lettuces · romaine lettuce · lettuce seedlings · lettuce seeds

Listed here with its subspecies, varieties and cultivar groups: Lactuca sativa var. longifolia (915 claims), Lactuca sativa var. crispa (114 claims), Lactuca sativa var. capitata (95 claims), Lactuca sativa var. angustana (1 claim)

643 spellings

Questions studied on this organism1,264 questions57 with results that differ3,877 papers

Lactuca sativaen:User:Geographer · CC BY 1.0 · Wikimedia Commons ↗

52,030 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

All plants of the susceptible cultivar Elisa showed highly susceptible reactions to both Berkeleyomyces pathogens after inoculation.

Taxon: lettuceLactuca sativat0
Material: Elisae0
Outcome: highly susceptible reactionse0

Verbatim

e0
“All ‘Elisa’ plants displayed highly susceptible reactions to both pathogens”
✓ located verbatim in the source · abstract, characters 1419–1494

t0
“lettuce”
✓ located verbatim in the source · title, characters 87–94

Title

Inheritance of resistance to Berkeleyomyces rouxiae and Berkeleyomyces basicola in the lettuce cultivar La Brillante

David Nataren Perdomo; Stéfani dos Santos Leite; Tiago Bezerra Torres; et al. Euphytica 2026. doi:10.1007/s10681-026-03695-9

Other claims from this paper (4)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

All La Brillante plants were resistant to both pathogens even under harsh inoculation conditions, indicating high penetrance of the trait.

Taxon: lettuceLactuca sativat0
Material: La Brillantee0
Outcome: resistante0
Qualifier: harsh inoculation conditionse0

Verbatim

e0
“all ‘La Brillante’ plants were resistant even under harsh inoculation conditions”
✓ located verbatim in the source · abstract, characters 1504–1584

t0
“lettuce”
✓ located verbatim in the source · title, characters 87–94

Title

Inheritance of resistance to Berkeleyomyces rouxiae and Berkeleyomyces basicola in the lettuce cultivar La Brillante

David Nataren Perdomo; Stéfani dos Santos Leite; Tiago Bezerra Torres; et al. Euphytica 2026. doi:10.1007/s10681-026-03695-9

Other claims from this paper (4)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The F2 population inoculated with B. rouxiae fit a 3:1 resistant/susceptible segregation ratio, indicating monogenic dominant resistance.

Taxon: lettuceLactuca sativat0
Interactor: B. rouxiaeBerkeleyomyces rouxiaee0pathogen
Outcome: 3:1 resistant/susceptible segregation ratiose0
Value: 3:1e0

Verbatim

e0
“The F 2 populations inoculated with either B. basicola or B. rouxiae displayed a good fit to 3:1 resistant/susceptible segregation ratios, indicating monogenic and dominant resistance to both pathogens”
✓ located verbatim in the source · abstract, characters 1638–1839

t0
“lettuce”
✓ located verbatim in the source · title, characters 87–94

Title

Inheritance of resistance to Berkeleyomyces rouxiae and Berkeleyomyces basicola in the lettuce cultivar La Brillante

David Nataren Perdomo; Stéfani dos Santos Leite; Tiago Bezerra Torres; et al. Euphytica 2026. doi:10.1007/s10681-026-03695-9

Other claims from this paper (4)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The F2 population inoculated with B. basicola fit a 3:1 resistant/susceptible segregation ratio, indicating monogenic dominant resistance.

Taxon: lettuceLactuca sativat0
Interactor: B. basicolaBerkeleyomyces basicolae0pathogen
Outcome: 3:1 resistant/susceptible segregation ratiose0
Value: 3:1e0

Verbatim

e0
“The F 2 populations inoculated with either B. basicola or B. rouxiae displayed a good fit to 3:1 resistant/susceptible segregation ratios, indicating monogenic and dominant resistance to both pathogens”
✓ located verbatim in the source · abstract, characters 1638–1839

t0
“lettuce”
✓ located verbatim in the source · title, characters 87–94

Title

Inheritance of resistance to Berkeleyomyces rouxiae and Berkeleyomyces basicola in the lettuce cultivar La Brillante

David Nataren Perdomo; Stéfani dos Santos Leite; Tiago Bezerra Torres; et al. Euphytica 2026. doi:10.1007/s10681-026-03695-9

Other claims from this paper (4)

Observationobservedcited backgroundmeasured

Claim · model-written summary

Nationwide surveys in Brazil indicated similar incidence and overlapping geographical distribution of B. basicola and B. rouxiae across major lettuce-producing areas.

Taxon: lettuceLactuca sativat0
Interactor: B. basicolaBerkeleyomyces basicolae0pathogen
Second interactor: B. rouxiaeBerkeleyomyces rouxiaee0pathogen
Outcome: similar levels of incidencee0
Setting: Brazile0

Verbatim

e0
“Nationwide surveys in Brazil indicated similar levels of incidence as well as an overlapping geographical distribution of B. basicola and B. rouxiae across major lettuce-producing areas”
✓ located verbatim in the source · abstract, characters 164–349

t0
“lettuce”
✓ located verbatim in the source · title, characters 87–94

Title

Inheritance of resistance to Berkeleyomyces rouxiae and Berkeleyomyces basicola in the lettuce cultivar La Brillante

David Nataren Perdomo; Stéfani dos Santos Leite; Tiago Bezerra Torres; et al. Euphytica 2026. doi:10.1007/s10681-026-03695-9

Other claims from this paper (4)

Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

An increased ratio of far-red to red photons in the light recipe may enhance lettuce growth.

Taxon: lettuceLactuca sativae0
Treatment: increased ratio of far-red and red photons in the light recipee0
Outcome: lettuce growthe0
Direction: enhancee0

Not reportedComparator

Verbatim

e0
“an increased ratio of far-red and red photons in the light recipe may enhance lettuce growth”
✓ located verbatim in the source · abstract, characters 1072–1164

Title

Effects of Far-red and Red-enriched Lights on the Quality Attributes of Indoor Lettuce

Szilvia Fóti; Ádám Harsányi; Lilla Venczel; et al. Journal of Plant Growth Regulation 2026. doi:10.1007/s00344-026-12062-w

Other claims from this paper (2)

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

In some cases there was a trade-off between lettuce growth and other quality attributes, while in other cases they changed in parallel because of cultivar characteristics.

Taxon: LettuceLactuca sativat0
Material: cultivare0
Outcome: trade-off between growth and other quality attributese0

Not reportedDirection

Verbatim

e0
“In some cases, there was a trade-off between growth and other quality attributes, while in other cases, these two changed in parallel because of the characteristics of the cultivar”
✓ located verbatim in the source · abstract, characters 1295–1475

t0
“Indoor Lettuce”
✓ located verbatim in the source · title, characters 72–86

Title

Effects of Far-red and Red-enriched Lights on the Quality Attributes of Indoor Lettuce

Szilvia Fóti; Ádám Harsányi; Lilla Venczel; et al. Journal of Plant Growth Regulation 2026. doi:10.1007/s00344-026-12062-w

Other claims from this paper (2)

Intervention effect An increased ratio of far-red to red photons in the light recipe may enhance lettuce growth.
Intervention effect Both red and far-red light enrichment increased axillary pigment production in lettuce.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Both red and far-red light enrichment increased axillary pigment production in lettuce.

Taxon: lettuceLactuca sativae0
Treatment: red and far-red light enrichment conditionse0
Outcome: axillary pigment productione0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“both red and far-red light enrichment conditions increased axillary pigment production in lettuce”
✓ located verbatim in the source · abstract, characters 1499–1596

Title

Effects of Far-red and Red-enriched Lights on the Quality Attributes of Indoor Lettuce

Szilvia Fóti; Ádám Harsányi; Lilla Venczel; et al. Journal of Plant Growth Regulation 2026. doi:10.1007/s00344-026-12062-w

Other claims from this paper (2)

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Nitrogen rate significantly (P ≤ 0.001) influenced lettuce plant height, number of leaves per plant and leaf width.

Taxon: lettuceLactuca sativat0
Treatment: nitrogene0
Outcome: plant height, number of leaves per plant, and leaf widthe0
Setting: Bahir Dar, Ethiopiat1

Not reportedComparatorDirection

Verbatim

e0
“the main effects of nitrogen and phosphorus rates significantly ( P ≤ 0.001) influenced plant height, number of leaves per plant, and leaf width of lettuce”
✓ located verbatim in the source · abstract, characters 686–841

t0
“lettuce (Lactuca sativa L.)”
✓ located verbatim in the source · title, characters 42–69

t1
“Bahir Dar, Ethiopia”
✓ located verbatim in the source · title, characters 143–162

Title

Growth, yield and economic performance of lettuce (Lactuca sativa L.) in response to nitrogen and phosphorus fertilization under irrigation in Bahir Dar, Ethiopia

Sefinew Shibabaw; Melkamu Alemayehu; Daniel Asnake Scientific Reports 2026. doi:10.1038/s41598-026-47274-3

Other claims from this paper (7)

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Phosphorus rate significantly (P ≤ 0.001) influenced lettuce plant height, number of leaves per plant and leaf width.

Taxon: lettuceLactuca sativat0
Treatment: phosphoruse0
Outcome: plant height, number of leaves per plant, and leaf widthe0
Setting: Bahir Dar, Ethiopiat1

Not reportedComparatorDirection

Verbatim

e0
“the main effects of nitrogen and phosphorus rates significantly ( P ≤ 0.001) influenced plant height, number of leaves per plant, and leaf width of lettuce”
✓ located verbatim in the source · abstract, characters 686–841

t0
“lettuce (Lactuca sativa L.)”
✓ located verbatim in the source · title, characters 42–69

t1
“Bahir Dar, Ethiopia”
✓ located verbatim in the source · title, characters 143–162

Title

Growth, yield and economic performance of lettuce (Lactuca sativa L.) in response to nitrogen and phosphorus fertilization under irrigation in Bahir Dar, Ethiopia

Sefinew Shibabaw; Melkamu Alemayehu; Daniel Asnake Scientific Reports 2026. doi:10.1038/s41598-026-47274-3

Other claims from this paper (7)