Search claims · PlantClaims

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Wider sorghum row spacing decreased crop yield penalties caused by weeds.

Taxon: sorghumSorghume0
Treatment: row spacinge0
Interactor: weedse0weed
Outcome: crop yield penalties due to weedse0
Direction: decreasee0

Verbatim

e0
“In sorghum, as row spacing widens weed growth and seed production increases; however, crop yield penalties due to weeds decrease”
✓ located verbatim in the source · abstract, characters 472–600

Title

Weeds and summer crop row spacing studies in Queensland.

V. A. Osten; Wu HanWen; S. Walker; et al. 15th Australian Weeds Conference, Papers and Proceedings, Adelaide, South Australia, 24-28 September 2006: Managing weeds in a changing climate 2006

Other claims from this paper (6)

Association Wider sorghum row spacing increased weed growth.
Association Wider sorghum row spacing increased weed seed production.
Association In sunflower, wider row spacing increased weed growth and seed production under moderate or high weed pressure.
Association In sunflower, wider row spacing reduced weed-related crop yield penalties only under moderate or high weed pressure.
Intervention effect Reducing sunflower row spacing gave no competitive advantage at low weed pressure.
Observation Sorghum responses differed sharply between two regions.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Season-long weed competition decreased grain yield by 29%.

Taxon: wheatTriticum aestivumt0
Treatment: season-long weed-crop competitione0
Outcome: grain yielde0
Direction: decreasee0
Value: 29%e0

Not reportedComparator

Verbatim

e0
“An average decrease in grain yield by 29% was observed due to season-long weed-crop competition”
✓ located verbatim in the source · abstract, characters 152–247

t0
“wheat (Triticum aestivum)”
✓ located verbatim in the source · title, characters 73–98

Title

Evaluation of sulfosulfuron and metribuzin for weed control in irrigated wheat (Triticum aestivum)

A.K. PANDEY; K.A. GOPINATH; H.S. GUPTA Indian Journal of Agronomy 2001. doi:10.59797/ija.v51i2.4990

Other claims from this paper (9)

Intervention effect Metribuzin produced the best weed-control efficiency of 85.7-93.8% relative to the other listed herbicides.
Intervention effect Metribuzin at 40 days controlled Phalaris minor.
Intervention effect Metribuzin at 60 days better controlled Polygonum plebeium and Melilotus indica.
Observation Sulfosulfuron showed high activity against weed species except I? plebeium.
Intervention effect Earlier sulfosulfuron application gave greater weed control at equivalent doses.
Intervention effect Sulfosulfuron caused transient leaf yellowing and stunted growth, stronger with delayed application.
Intervention effect All treatments except 2.4-D yielded significantly more grain than the weeded check.
Intervention effect Manual weeding gave the highest grain yield.
Intervention effect Low sulfosulfuron and metribuzin doses at 40 days gave yields similar to manual weeding.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Apple yield decreased as preplant nematode density increased.

Taxon: appleMalus domesticae0
Interactor: Pratylenchus penetransPratylenchus penetranst0pest
Outcome: yielde0
Direction: decreasee0
Qualifier: before apple seedlings were plantede0

Verbatim

e0
“there was good evidence of a decrease in yield with increased nematode density before apple seedlings were planted”
✓ located verbatim in the source · abstract, characters 128–242

t0
“Pratylenchus penetrans”
✓ located verbatim in the source · title, characters 43–65

Title

Nematodes in relation to plant growth, IV. Pratylenchus penetrans (Cobb) on orchard trees.

H. Hoestra; M. Oostenbrink Netherlands Journal of Agricultural Science 1962. doi:10.18174/njas.v10i4.17587

Other claims from this paper (5)

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Infected grapevines had significantly lower yield.

Taxon: grapevineVitist0
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“Infected plants showed a significant decrease in yield”
✓ located verbatim in the source · abstract, characters 1899–1953

t0
“grapevine”
✓ located verbatim in the source · title, characters 92–101

Title

Impacts of leafroll‐associated viruses (GLRaV‐1 and ‐3) on the physiology of the Portuguese grapevine cultivar ‘Touriga Nacional’ growing under field conditions

J. Moutinho‐Pereira; C.M. Correia; B. Gonçalves; et al. Annals of Applied Biology 2012. doi:10.1111/j.1744-7348.2012.00536.x

Other claims from this paper (14)

Observation Leafroll infection reduced grapevine gas exchange.
Observation At ripeness, stomatal conductance fell more than net assimilation.
Observation Infected leaves had higher intrinsic water-use efficiency.
Mechanism The declines in conductance and assimilation were not attributed to lower bulk water potential.
Observation Maximum photosystem II quantum efficiency was unaffected by infection.
Observation Effective PSII efficiency, electron transport and photochemical quenching decreased significantly.
Observation Non-photochemical quenching increased significantly.
Observation Virus infection reduced light-saturated CO2 fixation and carboxylation efficiency.
Observation Apparent quantum yield of CO2 fixation was significantly higher.
Observation Infection markedly reduced photosynthetic pigments, soluble sugars and proteins.
Observation Starch and anthocyanins increased significantly under infection.
Observation Leaf N, P, Ca, S and Fe concentrations significantly decreased.
Observation Leaf K, Mg, B, Cu, Zn and Mn concentrations were unaffected.
Observation Lower cluster weight contributed to yield loss.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Grain weight did not decrease as common root rot severity increased.

Taxon: wheatTriticum aestivumt0
Interactor: Bipolaris sorokinianaBipolaris sorokinianae3pathogen
Outcome: grain weighte1
Direction: decreasede1

Verbatim

t0
“wheat”
✓ located verbatim in the source · title, characters 54–59

e1
“Grain yield, tiller and grain number, but not grain weight decreased as disease severity increased”
✓ located verbatim in the source · abstract, characters 543–641

e3
“common root rot (CRR) caused by Bipolaris sorokiniana”
✓ located verbatim in the source · abstract, characters 15–68

Title

Assessment of yield loss caused by common root rot in wheat cultivars in Queensland

GB Wildermuth; RD Tinline; RB McNamara Australian Journal of Agricultural Research 1992. doi:10.1071/ar9920043

Other claims from this paper (9)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Blending pure lines did not decrease charcoal rot infection.

Taxon: soybeanGlycine maxe1
Treatment: blending pure linese0
Interactor: charcoal rotMacrophomina phaseolinae0pathogen
Outcome: charcoal rot infectione0
Direction: no benefite0

Not reportedComparator

Verbatim

e0
“There was no benefit in blending pure lines either in increased yield or decreased charcoal rot infection”
✓ located verbatim in the source · abstract, characters 1508–1613

e1
“of soybean [ Glycine max (L.) Merr.]”
✓ located verbatim in the source · abstract, characters 53–89

Title

Relationships among Charcoal Rot Infection, Yield, and Stability Estimates in Soybean Blends

C. R. Bowen; W. T. Schapaugh Crop Science 1989. doi:10.2135/cropsci1989.0011183x002900010009x

Other claims from this paper (9)

Intervention effect Reducing planting rate from 30 to 20 seeds per meter significantly lowered charcoal rot infection.
Intervention effect Reducing planting rate did not reduce soybean yield.
Association Reproductive growth stage had a linear association with charcoal rot infection level.
Association Genotype did not significantly affect infection after controlling for reproductive stage.
Association Infection level correlated with response, a relative performance measure across environments.
Association Response and biological stability estimates were significantly correlated.
Association Deviations from response, r 2, and ecovalance were significantly correlated.
Recommendation The authors suggest full-season cultivars to reduce charcoal rot.
Intervention effect Blending pure lines did not increase yield.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Each additional whitefly per leaf was associated with a 40.044 kg/ha decrease in chili yield.

Taxon: chili plantse0
Interactor: whiteflye0pest
Outcome: yield of chili plantse0
Direction: reducee0
Value: 40.044 kg/hae0
Qualifier: one whitefly/leafe0

Verbatim

e0
“Each addition of one whitefly/leaf will increase the incidence of disease by 25.981%, the severity by 15.269%, and reduce the yield of chili plants by 40.044 kg/ha.”
✓ located verbatim in the source · abstract, characters 814–978

Title

Relationship Between whitefly (Bemisia tabaci) Population and Pepper Yellow Leaf Curl Disease on Chili Plant Yield in The Field

Muhammad Taufik; Asmar Hasan; Rahayu Mallarangeng; et al. Cropsaver Journal of Plant Protection 2023. doi:10.24198/cropsaver.v6i1.44927

Other claims from this paper (3)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Weed infestation decreased maize grain yield by up to 32%.

Taxon: maizeZea mayse0
Treatment: weed‐infested conditionse0
Interactor: weede0weed
Outcome: maize grain yielde0
Direction: decreasee0
Value: 32%e0

Not reportedComparator

Verbatim

e0
“under weed‐infested conditions, there was a large decrease in maize grain yield (up to 32%)”
✓ located verbatim in the source · abstract, characters 873–964

Title

Effect of cowpea ( Vigna unguiculata ) intercropping on weed biomass and maize ( Zea mays ) yield

K Jamshidi; A R Yousefi; M Oveisi New Zealand Journal of Crop and Horticultural Science 2013. doi:10.1080/01140671.2013.807853

Other claims from this paper (9)

Intervention effect Increasing maize density reduced weed biomass by 21.5%.
Intervention effect Cowpea mulch reduced weed biomass by up to 45.5% at the lower maize density.
Intervention effect Cowpea mulch reduced weed biomass by 39.6% at the higher maize density.
Intervention effect Higher maize density raised weed-free grain yield from 8.92 to 9.40 t/ha.
Intervention effect Cowpea increased maize yield by about 4.2% under weed-free conditions.
Intervention effect Cowpea intercropping limited the weed-related maize yield decrease to 16%.
Intervention effect Sowing date did not affect weed-free maize grain yield.
Intervention effect Under weed infestation, maize yield was greater on the second sowing date.
Recommendation The authors recommend dense maize planting simultaneous with cowpea intercropping for weed suppression.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Weeds decreased barley and wheat grain yield by an estimated 200 kg ha−1.

Taxon: spring barley and spring wheatHordeum vulgare Triticum aestivume0
Interactor: weedse0weed
Outcome: yielde0
Direction: decreasee0
Value: 200 kg ha−1e0

Verbatim

e0
“weeds decrease the yield of spring barley and spring wheat for 200 kg ha−1”
✓ located verbatim in the source · abstract, characters 596–670

Title

Impact of Pests on Cereal Grain and Nutrient Yield in Boreal Growing Conditions

Katja Kauppi; Ari Rajala; Erja Huusela; et al. Agronomy 2021. doi:10.3390/agronomy11030592

Other claims from this paper (11)

Observation Fungal diseases caused mean annual grain losses of 500 kg ha−1 in spring wheat and spring barley without pesticides.
Observation Disease-related wheat nitrogen yield loss was 8.1 kg ha−1.
Observation Disease-related barley nitrogen yield loss was 9.2 kg ha−1.
Observation Disease-related wheat phosphorus yield loss was 1.5 kg ha−1.
Observation Disease-related barley phosphorus yield loss was 1.6 kg ha−1.
Observation Weed-related barley nitrogen yield loss was 3.7 kg ha−1.
Observation Weed-related wheat nitrogen yield loss was 3.2 kg ha−1.
Observation Weed-related phosphorus yield loss was 0.6 kg ha−1 in barley and wheat.
Observation Insect pests reduced spring barley grain yield by 418 kg ha−1.
Observation Insect pests reduced spring wheat grain yield by 745 kg ha−1.
Recommendation The authors recommend managing weeds, diseases and insects to maintain cereal yield and reduce nutrient-related environmental risks.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sunwoobori grain yield decreased by more than 60.0%.

Taxon: BarleyHordeum vulgaret0
Material: Sunwooborie0
Treatment: virus infected cultivarse1
Outcome: grain yielde1
Direction: decreasee0
Value: more than 60.0%e0

Not reportedComparator

Verbatim

e0
“Sunwoobori (S) was severely decrease more than 60.0%.”
✓ located verbatim in the source · abstract, characters 2353–2406

e1
“The grain yield was also significantly reduced in virus infected cultivars.”
✓ located verbatim in the source · abstract, characters 2277–2352

t0
“Barley”
✓ located verbatim in the source · title, characters 39–45

Title

Effects on Growth and Yield Whole-crop Barley by Soil-borne Virus Infection

Kyeong-Hoon Kim; Eun-Jo Seo; Sang-Hyun Shin; et al. Journal of The Korean Society of Grassland and Forage Science 2012. doi:10.5333/kgfs.2012.32.3.237

Other claims from this paper (13)

Observation BaYMV was detected in all tested barley cultivars on 30 March.
Observation BaYMV was identified only in susceptible Sunwoobori on 6 April.
Observation BaYMV was not identified in Yuyeon or Youngyang on 6 April.
Intervention effect Barley plant height was restrained 14.6~32.9% after overwintering, depending on cultivar resistance.
Intervention effect BaYMV infection reduced barley tiller number by 8.7~19.7% in the overwintering season.
Intervention effect BaYMV reduced culm length in Youngyang by 14.5%.
Intervention effect BaYMV decreased culm length in Sunwoo and Yuyeon cultivars by 24.8~42.7%.
Intervention effect Barley spike length was reduced 8.9~21.3% according to resistance.
Intervention effect Barley spike number was reduced 24.3~31.0% according to resistance.
Intervention effect Whole-crop barley dry matter yield fell approximately 21.6~58.0% with infection, depending on cultivar resistance.
Intervention effect Sunwoobori whole-crop yield decreased 58.0% against the noninfected field.
Intervention effect Virus infection significantly reduced barley grain yield.
Intervention effect Yuyeonbori and Youngyangbori grain yields decreased 30.0~47.5% under infection versus noninfected fields.

“yield decrease”

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