Search claims · PlantClaims

Observationobservedoriginal resultnegativesimulated

Claim · model-written summary

The same selection predicted a yield decrease of 87 pounds per acre.

Taxon: Nicotiana tabacumNicotiana tabacumt0
Outcome: yield per acree0
Direction: decreasee0
Value: 87 pounds yield per acree0

Verbatim

e0
“An expected correlated response was a decrease of 87 pounds yield per acre.”
✓ located verbatim in the source · abstract, characters 752–827

t0
“Nicotiana tabacum”
✓ located verbatim in the source · title, characters 47–64

Title

Genetic Variability in Flue‐Cured Varieties of Nicotiana tabacum. II. Dixie Bright 244 ✕ Coker 139¹

D. F. Matzinger; T. J. Mann; C. Clark Cockerham Crop Science 1966. doi:10.2135/cropsci1966.0011183x000600050026x

Other claims from this paper (6)

Observationobservedoriginal resultsimulated

Claim · model-written summary

Selecting for pods per area was expected to decrease yield, seeds per pod, and seed weight.

Taxon: Phaseolus vulgaris L.Phaseolus vulgarist0
Outcome: yield, seeds/pod and seed weighte0
Direction: decreasee0

Verbatim

e0
“Direct selection for pods/m 2 would decrease yield, seeds/pod and seed weight”
✓ located verbatim in the source · abstract, characters 1507–1584

t0
“Phaseolus vulgaris L.”
✓ located verbatim in the source · title, characters 58–79

Title

Genetics of Seed Yield and its Components in Common Bean (Phaseolus vulgaris L.) of Middle‐American Origin

J. Nienhuis; S. P. Singh Plant Breeding 1988. doi:10.1111/j.1439-0523.1988.tb00281.x

Other claims from this paper (14)

Observation Additive genetic variance was significant for yield, pods per area, seeds per pod, and seed weight.
Observation Interaction with environments was significant.
Observation Nonadditive genetic variance was not significant for yield or its components.
Observation Narrow sense heritability was 0.21 ± 0.13 for yield.
Observation Narrow sense heritability was 20 ± 0.13 for pods per area as printed.
Observation Narrow sense heritability was 0.57 ± 0.13 for seeds per pod.
Observation Narrow sense heritability was 0.74 ± 0.15 for seed weight.
Observation Selecting the top 20% of F2 populations for yield was expected to increase yield by 4.30%.
Observation Selecting for yield was expected to increase seed weight by 0.21%.
Observation Selecting for seed weight was expected to increase seed weight by 11.76%.
Observation Selecting for seed weight was expected to increase yield by 0.28%.
Observation Selecting for seeds per pod was expected to reduce pods per area and seed weight.
Observation Selecting for seeds per pod was expected to increase seed yield by 0.37%.
Recommendation The authors suggested replicated early generation yield trials to identify promising crosses and families.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chromosome 6B carries genes decreasing yield.

Taxon: wheatTriticum aestivumt0
Gene: 6Be0
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“6B harbours genes which decrease the yield”
✓ located verbatim in the source · abstract, characters 289–331

t0
“wheat and rye”
✓ located verbatim in the source · title, characters 39–52

Title

Aneuploid analysis of a recombinant of wheat and rye for yield and yield contributing characters

Ramavtar Sharma; B. C. Joshi; S. M. S. Tomar Indian Journal of Genetics and Plant Breeding (The) 1995

Other claims from this paper (6)

Observation Chromosomes 3A, 3D and 4A carry genes enhancing yield.
Observation Chromosomes 5A, 5B and 6B have major recessive genes for low seed weight.
Observation Chromosomes 4B, 4D, 5D and 7D have minor genes for low seed weight.
Observation Chromosome 6B genes increased grains per spike.
Observation Chromosome 5B genes reduced grains per spike.
Observation Chromosomes 4A and 4B carry genes for higher tiller number.

Observationauthor interpretationoriginal resultnegativeprojected

Claim · model-written summary

Advance would decrease in F4 compared with F3 for all characters.

Taxon: cottonGossypium hirsutume0
Outcome: advancee1
Direction: decreasee1
Qualifier: for all characterse1
Comparator: F3e1

Verbatim

e0
“Gains from application Index selection are very important in cotton breeding program”
✓ located verbatim in the source · abstract, characters 0–84

e1
“advance would decrease in F4 generation as compared with F3 for all characters”
✓ located verbatim in the source · abstract, characters 2910–2988

Title

GENETIC GAIN AND SELECTION CRITERIA EFFECTS ON LINT YIELD AND YIELD COMPONENTS IN SEGREGATING POPULATION (GIZA 88 X A 13 )

B Ramdan Menoufia Journal of Plant Production 2021. doi:10.21608/mjppf.2021.163665

Other claims from this paper (16)

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

YIGE2 knockout significantly decreased grain yield.

Taxon: maizeZea mayst0
Gene: YIGE2e0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

e0
“Knockout of YIGE2 causes a significant decrease of auxin level, IM length, floret number, EL, and grain yield.”
✓ located verbatim in the source · abstract, characters 507–617

t0
“maize”
✓ located verbatim in the source · title, characters 55–60

Title

The additive function of YIGE2 and YIGE1 in regulating maize ear length

Yu Liu; Huinan Li; Jie Liu; et al. The Plant Journal 2024. doi:10.1111/tpj.16851

Other claims from this paper (7)

Observation YIGE2 knockout significantly decreased auxin level.
Observation YIGE2 knockout significantly decreased IM length.
Observation YIGE2 knockout significantly decreased floret number.
Observation YIGE2 knockout significantly decreased ear length.
Observation yige1 yige2 double mutants had shorter IMs and ears.
Observation Genes controlling auxin levels were differentially expressed in the double mutants.
Observation Auxin levels were lower in the double mutants.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The CO2-induced iron decrease was smaller in OE plants than in WT and RNAi plants.

Taxon: riceOryza sativat0
Material: OE plantse0
Outcome: magnitude of the decreasee0
Direction: lowere0
Comparator: WT and RNAi plantse0

Verbatim

e0
“the magnitude of the decrease was lower in the OE plants than in the WT and RNAi plants.”
✓ located verbatim in the source · abstract, characters 1130–1218

t0
“A rice small GTPase, Rab6a, is involved in the regulation of grain yield and iron nutrition in response to CO2 enrichment”
✓ located verbatim in the source · title, characters 0–121

Title

A rice small GTPase, Rab6a, is involved in the regulation of grain yield and iron nutrition in response to CO2 enrichment

An Yang; Qian Li; Lei Chen; et al. Journal of Experimental Botany 2020. doi:10.1093/jxb/eraa279

Other claims from this paper (10)

Observation Under ambient CO2, transgenic and wild-type lines did not differ in growth or grain yield.
Intervention effect Elevated CO2 increased wild-type rice growth and grain yield.
Intervention effect Elevated CO2 increased OsRab6a-OE growth and grain yield more than in wild type.
Intervention effect Elevated CO2 did not affect OsRab6a-RNAi growth or grain yield.
Intervention effect Elevated CO2 stimulated wild-type photosynthesis.
Intervention effect Elevated CO2 stimulated OsRab6a-OE photosynthesis more than wild type.
Intervention effect Elevated CO2 reduced vegetative-tissue iron in wild-type and transgenic lines.
Intervention effect Elevated CO2 reduced grain iron in wild-type and transgenic lines.
Observation Fe-acquisition genes were more highly expressed in OE lines under elevated CO2.
Mechanism The authors identify OsRab6a as a regulator of rice adaptation to elevated CO2 through photosynthesis and Fe accumulation.

Observationobservedoriginal resultmeasured

Claim · model-written summary

TaOTUB1 overexpression decreased grain size, grain number and grain yield.

Taxon: wheatTriticum aestivumt0
Treatment: Overexpression of TaOTUB1e0
Gene: TaOTUB1e0
Outcome: grain size, grain number, and grain yielde0
Direction: decreasee0

Verbatim

e0
“Overexpression of TaOTUB1 results in a decrease in grain size, grain number, and grain yield, as well as delayed flowering”
✓ located verbatim in the source · abstract, characters 604–726

t0
“wheat”
✓ located verbatim in the source · title, characters 34–39

Title

Knockout of TaOTUB1 homoeologs in wheat promotes increased grain yield and earlier flowering

Meng Ma; Lijian Guo; Chao Jian; et al. The Plant Journal 2025. doi:10.1111/tpj.70376

Other claims from this paper (18)

Observation TaOTUB1 was the most highly expressed wheat OTUB family member and was expressed primarily in young reproductive primordia.
Observation TaOTUB1 overexpression delayed flowering.
Observation Knocking out all three TaOTUB1 homoeologs increased grain size and promoted flowering.
Observation Knocking out all three TaOTUB1 homoeologs promoted flowering.
Observation Knocking out all three TaOTUB1 homoeologs decreased grain number and yield.
Observation Knockout of TaOTUB1-7A alone increased grain size and accelerated flowering.
Observation Knockout of TaOTUB1-7B alone increased grain size.
Observation Single TaOTUB1-7A or -7B knockout accelerated flowering.
Observation Single TaOTUB1-7A or -7B knockout did not affect grain number.
Observation Single TaOTUB1-7A or -7B knockout enhanced wheat yield.
Observation The three TaOTUB1 homoeologs showed additive effects on grain size regulation.
Observation TaOTUB1 homoeolog action delayed flowering and shortened grain development time.
Observation TaOTUB1 interacted with TaRCN2 in the cytoplasm.
Observation TaOTUB1 interacted with TaSPL17 in the nucleus.
Observation A favorable low-activity HAPI haplotype was identified.
Observation HAPI was associated with increased grain weight and higher grain yield.
Observation HAPI was associated with higher grain yield.
Observation HAPI was associated with earlier flowering.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Variability decreased from F2 to F3 for some traits.

Taxon: pigeonpeaCajanus cajant0
Outcome: variabilitye0
Direction: decreasee0
Comparator: F2e0

Verbatim

e0
“There was decrease in variability from F2 to F3 generation for some traits”
✓ located verbatim in the source · abstract, characters 373–447

t0
“pigeonpea”
✓ located verbatim in the source · title, characters 85–94

Title

Variability and transgressive segregation for yield and yield contributing traits in pigeonpea crosses

Ajay Bc; M. Byregowda; Prashanth Babu H; et al. Electronic Journal of Plant Breeding 2014

Other claims from this paper (3)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Genetic variation for yield decreased from S0:1 to S0:3.

Taxon: peanutArachis hypogaeae0 t0
Material: S0:3e0
Outcome: genetic variation for yielde0
Direction: decreasee0
Comparator: S0:1e0

Verbatim

e0
“A decrease in genetic variation for yield in the population from the S0:1 to the S0:3 generation was observed”
✓ located verbatim in the source · abstract, characters 1576–1685

t0
“Peanut1”
✓ located verbatim in the source · title, characters 93–100

Title

The Effectiveness of Early Generation Testing as Applied to a Recurrent Selection Program in Peanut1

T. M. Halward; J. C. Wynne; E. J. Monteverde-Penso Peanut Science 1990. doi:10.3146/i0095-3679-17-1-14

Other claims from this paper (11)

Association Yield was not significantly correlated between S0:3 and S0:2.
Association Yield was not significantly correlated between S0:3 and S0:1.
Association Yield correlated significantly between S0:2 and S0:1.
Association Yield did not correlate with measured agronomic traits in S0:3.
Association Yield correlated with most traits in S0:2.
Association Agronomic traits except seeds per 20 pods correlated between S0:3 and S0:2.
Observation Early testing appears useful for selecting certain agronomic traits.
Observation Early testing has limited value for yield selection.
Observation Crosses matching or exceeding check cultivar yield increased in later generations.
Observation All agronomic traits except seeds per 20 pods retained significant genetic variation in S0:2 and S0:3.
Association Greater remaining genetic variation was associated with greater likelihood of further improvement.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Absolute yield gain for lysine-rich proteins was smaller than absolute hordein yield loss.

Taxon: Hiproly barleyt0
Outcome: absolute increase in the yield of these lysinerich proteinse0
Direction: less thane0
Comparator: absolute decrease in hordein yielde0

Verbatim

e0
“the absolute increase in the yield of these lysinerich proteins was less than the absolute decrease in hordein yield.”
✓ located verbatim in the source · abstract, characters 1020–1137

t0
“Hiproly barley”
✓ located verbatim in the source · title, characters 102–116

Title

The concentration and yield of hordein and some lysine-rich proteins as influenced by the lys gene of Hiproly barley

R. BALASARASWATHI; BERTEL KøIE; HANS DOLL Hereditas 2008. doi:10.1111/j.1601-5223.1984.tb00123.x

Other claims from this paper (8)

Observation lys lines had 16% lower grain yield than normal lines.
Observation lys lines had 13% lower single seed weight than normal lines.
Observation Hordein concentration in protein was strongly reduced in lys lines.
Observation Hordein yield was strongly reduced in lys lines.
Observation Protein Z concentration increased 2–6 fold in lys lines.
Observation β-amylase concentration increased 2–6 fold in lys lines.
Observation Chymotrypsin inhibitor 1 and 2 concentrations increased 2–6 fold in lys lines.
Observation The yield of these lysine-rich proteins was significantly increased in lys lines.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics