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“yield decrease”

12,432 matches

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plus 1,248 non-evaluative

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plus 13 earlier · 1920s–1940s

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Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Maintaining vegetative biomass appeared to be at the expense of reproductive tissue biomass in injured field corn.

Taxon: field corne0
Treatment: larval injury by western corn rootworme0
Interactor: western corn rootwormDiabrotica virgifera virgiferae0pest
Outcome: reproductive tissue biomasse6
Direction: decreaseinferrede6
Qualifier: unaltered levels of vegetative tissue biomasse6

Not reportedComparator

Verbatim

e0
“effects of larval injury by western corn rootworm, Diabrotica virgifera virgifera LeConte, on vegetative and reproductive biomass accumulation of field corn, Zea mays L”
✓ located verbatim in the source · abstract, characters 49–217

e6
“Plant response to stress was generally similar in all three soil textures. The compensation and maintenance of unaltered levels of vegetative tissue biomass appeared to be at the sacrifice of reproductive tissue biomass. Western com rootworrn larval injury consistently reduced com grain yield by up to 15.0% in 1989 and by 40.7% in 1990”
✓ located verbatim in the source · abstract, characters 1778–2115

Title

Vegetative and Reproductive Biomass Accumulation in Field Com: Response to Root Injury by Western Com Rootworm (Coleoptera: Chrysomelidae)

L. D. Godfrey; L. J. Meinke; R. J. Wright Journal of Economic Entomology 1993. doi:10.1093/jee/86.5.1557

Other claims from this paper (11)

Intervention effect Larval injury by western corn rootworm decreased vegetative biomass in the early phases of injury.
Intervention effect Larval infestations reduced field corn leaf area and leaf wet weight by up to 17.4%.
Intervention effect In 1989, dry weights of injured field corn were greater than those of uninjured plants at about 2 weeks after pupation.
Intervention effect In 1990, injured and uninjured field corn had similar biomass, an exact compensatory response.
Mechanism The differing biomass response was probably related to the plant development stage at peak injury.
Observation In 1989, field corn at the V15 stage averaged 8,350 cm2 leaf area.
Observation In 1990, field corn at the V8-V10 stage had 4,761.3 cm2 leaf area.
Intervention effect Larval-injured field corn plants could not use supplemental irrigation soil moisture for vegetative biomass production as uninjured plants did.
Observation Plant response to stress was similar across all three soil textures.
Intervention effect Western corn rootworm larval injury reduced grain yield by up to 15.0% in 1989.
Intervention effect Western corn rootworm larval injury reduced grain yield by 40.7% in 1990.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Jatropha oil cake at 1.5 t/ha increased okra plant height by 72.8% over the check.

Taxon: OkraAbelmoschus esculentust0
Treatment: jatropha oil cake @ 1.5 t/hae1
Outcome: plant heighte1
Direction: increasee1
Value: 72.8%e1
Comparator: over checke1

Verbatim

e1
“jatropha oil cake @ 1.5 t/ha was most effective organic amendment performing better than others contributing significantly increase in plant height by 72.8%, fresh shoot weight by 73.3%, fresh root weight by 84.9%, dry shoot weight by 80.0%, dry root weight by 87.6% and biomass yield by 80.8%, respectively with corresponding decrease in order of number of root galls by 86.0%, number of egg masses by 87.3% and root kn…” Show full quote
✓ located verbatim in the source · abstract, characters 468–930

t0
“Management of Meloidogyne incognita in Okra through Oilcakes amendment”
✓ located verbatim in the source · title, characters 0–70

Title

Management of Meloidogyne incognita in Okra through Oilcakes amendment

J.K. Mahalik; Nachiketa Sahoo; Poornata Jena Annals of Plant Protection Sciences 2016

Other claims from this paper (10)

Intervention effect All oilcake treatments increased okra plant growth parameters over the check.
Intervention effect All oilcake treatments declined the root knot nematode population relative to the check.
Intervention effect Jatropha oil cake at 1.5 t/ha increased okra fresh shoot weight by 73.3% over the check.
Intervention effect Jatropha oil cake at 1.5 t/ha increased okra fresh root weight by 84.9% over the check.
Intervention effect Jatropha oil cake at 1.5 t/ha increased okra dry shoot weight by 80.0% over the check.
Intervention effect Jatropha oil cake at 1.5 t/ha increased okra dry root weight by 87.6% over the check.
Intervention effect Jatropha oil cake at 1.5 t/ha increased okra biomass yield by 80.8% over the check.
Intervention effect Jatropha oil cake at 1.5 t/ha decreased the number of root galls by 86.0% relative to the check.
Intervention effect Jatropha oil cake at 1.5 t/ha decreased the number of egg masses by 87.3% relative to the check.
Intervention effect Jatropha oil cake at 1.5 t/ha decreased the root knot nematode population by 87.3% relative to the check.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spraying 0.5 mM SA increased N, P and K content under nonsaline and saline conditions.

Taxon: MungbeanVigna radiatae0
Treatment: 0.5 mM SAe1
Outcome: N, P, Ke2
Direction: increasede2
Qualifier: nonsaline and saline conditionse2
Comparator: controle1

Verbatim

e0
“Mungbean (Vigna radiata L.) cultivar Pusa Vishal plants grown with 50 mM NaCl were sprayed with 0.1, 0.5, or 1.0 mM SA”
✓ located verbatim in the source · abstract, characters 350–468

e1
“Treatment of plants with 0.5 mM SA resulted in a maximum decrease in the content of Na+, Cl−, H2O2, and thiobarbituric acid reactive substances (TBARS), and electrolyte leakage under saline conditions compared to the control”
✓ located verbatim in the source · abstract, characters 673–897

e2
“In contrast, this treatment increased N, P, K, and Ca content, activity of antioxidant enzymes, glutathione content, photosynthesis, and yield maximally under nonsaline and saline conditions”
✓ located verbatim in the source · abstract, characters 899–1089

Title

Application of Salicylic Acid Increases Contents of Nutrients and Antioxidative Metabolism in Mungbean and Alleviates Adverse Effects of Salinity Stress

Nafees Khan; Shabina Syeed; Asim Masood; et al. International Journal of Plant Biology 2010. doi:10.4081/pb.2010.e1

Other claims from this paper (5)

Intervention effect Spraying 0.5 mM SA under saline conditions gave the maximum decrease in Na+ and Cl− content compared with the control.
Intervention effect Spraying 0.5 mM SA under saline conditions gave the maximum decrease in H2O2, TBARS and electrolyte leakage compared with the control.
Intervention effect Spraying 0.5 mM SA increased Ca content, antioxidant enzyme activity and glutathione content under nonsaline and saline conditions.
Intervention effect Spraying 0.5 mM SA increased photosynthesis and yield under nonsaline and saline conditions.
Intervention effect Applying 1.0 mM SA either was inhibitory or gave no additional benefit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Greengram CO 8 had the minimum Mungbean Yellow Mosaic Virus (MYMV) disease incidence, 3.2 per cent.

Taxon: greengramVigna radiata var. radiatae0
Treatment: Greengram CO 8e1
Interactor: Mungbean Yellow Mosaic Virus (MYMV)Mungbean yellow mosaic viruse2pathogen
Outcome: Mungbean Yellow Mosaic Virus (MYMV) disease incidencee2
Direction: decreaseinferrede2
Value: 3.2 per cente2
Comparator: among the three varietiese1
Setting: farmers field during kharif 2020e0

Verbatim

e0
“On Farm Testing (OFT) in Mungbean Yellow Mosaic Virus (MYMV) resistant and high yielding greengram varieties was conducted by Krishi Vigyan Kendra, Tamil Nadu Agricultural University, Tirupur in farmers field during kharif 2020”
✓ located verbatim in the source · abstract, characters 0–227

e1
“among the three varieties, Greengram CO 8 was recorded more number of pods (42)”
✓ located verbatim in the source · abstract, characters 853–932

e2
“minimum incidence of Mungbean Yellow Mosaic Virus (MYMV) disease incidence of 3.2 per cent resulting in the highest yield of 9.5 q ha-1”
✓ located verbatim in the source · abstract, characters 937–1072

Title

Assessing the Performance of Latest Greengram Varieties under Improved production Packages in Thiruppur, Tamil Nadu, India

Kathiravan M.; Vanitha C.; Ayyadurai P.; et al. International Journal of Environment and Climate Change 2023. doi:10.9734/ijecc/2023/v13i113420

Other claims from this paper (11)

Intervention effect Greengram CO 8 had more pods (42) than the other varieties.
Intervention effect Greengram CO 8 gave the highest yield, 9.5 q ha-1.
Observation DDG 1 recorded 34 pods per plant.
Observation DDG 1 had MYMV disease incidence of 7.3 per cent.
Observation DDG 1 yielded 8.4 q ha-1.
Observation The existing variety VBN 2 recorded the lowest number of pods, 31 Nos.
Observation VBN 2 yielded 7.6 q ha-1.
Observation VBN 2 had the highest MYMV disease incidence, 12.5%.
Observation Greengram CO 8 had the highest B:C ratio, 2.92.
Observation DDG 1 had a B:C ratio of 2.58.
Recommendation Farmers were satisfied with greengram CO 8 cultivation because of its lowest disease incidence, higher yield and benefit-cost ratio.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mineral fertilizers reduced hazard coefficients 2.6 times in first-year grasses.

Taxon: perennial grassese0 e1 e2 e3 t0
Treatment: mineral fertilizerse0 e1 e2 e3 t0
Interactor: weedse0 e1 e2 e3 t0weed
Outcome: hazard coefficientse0 e1 e2 e3 t0
Direction: decreasede0 e1 e2 e3 t0
Value: 2.6e0 e1 e2 e3 t0

Not reportedComparator

Verbatim

e0
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e1
“Yield losses from the total value of the raw phytomass of weeds amounted to 15.75 c/ha (5.3%) and 2.51 c/ha (1%)”
✓ located verbatim in the source · abstract, characters 1027–1139

e2
“Under the influence of mineral fertilizers, the hazard coefficients decreased by 2.6 and 5.7 times”
✓ located verbatim in the source · abstract, characters 1568–1666

e3
“The introduction of high doses of mineral fertilizers and the use of herbicides in the integrated crop protection system of grain-grass-row crop rotation led to a decrease in the harmfulness of weeds.”
✓ located verbatim in the source · abstract, characters 1227–1427

t0
“perennial grasses”
✓ located verbatim in the source · title, characters 43–60

Title

The harmfulness of weeds in the herbage of perennial grasses in the north-west of the Russian Federation

A. M. Shpanev Agrarian science 2024. doi:10.32634/0869-8155-2024-381-4-85-88

Other claims from this paper (15)

Observation Weeds harmed first-year perennial grasses 6.3 times more than second-year grasses.
Observation Weed-associated yield loss was 15.75 c/ha (5.3%) in first-year grasses.
Observation Weed-associated yield loss was 2.51 c/ha (1%) in second-year grasses.
Observation Yield loss per unit weed biomass was 0.150 c/ha (0.05%) for first-year grasses.
Observation Yield loss per unit weed biomass was 0.07 c/ha (0.03%) for second-year grasses.
Intervention effect High mineral fertilizer doses reduced weed harmfulness.
Intervention effect Herbicide use reduced weed harmfulness.
Observation Treatment effects were stronger in second-year grasses.
Intervention effect Mineral fertilizers reduced hazard coefficients 5.7 times in second-year grasses.
Intervention effect Protective measures reduced hazard coefficients 1.4 times in first-year grasses.
Intervention effect Protective measures reduced hazard coefficients 4.2 times in second-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 2.6 times in first-year grasses.
Intervention effect Mineral fertilizers reduced green mass yield losses 10.7 times in second-year grasses.
Intervention effect Protective measures reduced green mass yield losses 1.9 times in first-year grasses.
Intervention effect Protective measures reduced green mass yield losses 8.9 times in second-year grasses.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought lowered wheat light‐saturated net photosynthesis at the photosynthetic optimum.

Taxon: wheatTriticum aestivume0 t0 e1 e2 e3 e4 e5
Treatment: Droughte0 t0 e1 e2 e3 e4 e5
Outcome: light‐saturated net photosynthesise0 t0 e1 e2 e3 e4 e5
Direction: loweringe0 t0 e1 e2 e3 e4 e5
Comparator: well‐waterede0 t0 e1 e2 e3 e4 e5

Verbatim

e0
“Drought affected photosynthesis by lowering its optimum temperature ( T opt ) and the values at T opt of light‐saturated net photosynthesis, stomatal conductance, mesophyll conductance, the maximum rate of electron transport ( J max ) and the maximum rate of carboxylation by Rubisco ( V cmax )”
✓ located verbatim in the source · abstract, characters 941–1235

t0
“wheat”
✓ located verbatim in the source · title, characters 121–126

e1
“well‐watered conditions”
✓ located verbatim in the source · abstract, characters 1275–1298

e2
“T opt for V cmax was up to 40°C under well‐watered conditions”
✓ located verbatim in the source · abstract, characters 1237–1298

e3
“The decrease in photosynthesis under drought varied among T growth”
✓ located verbatim in the source · abstract, characters 1326–1392

e4
“The temperature response of photosynthetic quantum yield under drought was partly attributed to photorespiration”
✓ located verbatim in the source · abstract, characters 1428–1540

e5
“both diffusional and biochemical parameters of photosynthesis and their thermal sensitivity acclimate little to T growth”
✓ located verbatim in the source · abstract, characters 1731–1851

Title

Neglecting acclimation of photosynthesis under drought can cause significant errors in predicting leaf photosynthesis in wheat

Liang Fang; Pierre Martre; Kaining Jin; et al. Global Change Biology 2022. doi:10.1111/gcb.16488

Other claims from this paper (16)

Observation Wheat photosynthesis acclimated more to drought than to growth temperature.
Intervention effect Drought lowered the optimum temperature of wheat photosynthesis.
Intervention effect Drought lowered wheat stomatal conductance at the photosynthetic optimum.
Intervention effect Drought lowered wheat mesophyll conductance at the photosynthetic optimum.
Intervention effect Drought lowered wheat maximum rate of electron transport ( J max ) at the photosynthetic optimum.
Intervention effect Drought lowered wheat maximum rate of carboxylation by Rubisco ( V cmax ) at the photosynthetic optimum.
Observation Optimum temperature for wheat V cmax reached 40°C when well watered.
Observation Optimum temperature for wheat V cmax was 24–34°C under drought.
Association The decrease in wheat photosynthesis under drought varied with growth temperature.
Observation The drought decrease in wheat photosynthesis was similar across genotypes.
Mechanism Photorespiration partly explained the temperature response of wheat photosynthetic quantum yield under drought.
Mechanism Alternative electron transport explained more of the wheat quantum yield response under drought.
Mechanism Changed wheat leaf nitrogen did not fully explain the biochemical parameter changes.
Observation Wheat diffusional and biochemical photosynthesis parameters acclimated little to growth temperature.
Observation Wheat photosynthetic parameters acclimated considerably to drought and combined drought and growth temperature.
Method / resource Common models strongly overestimated wheat leaf photosynthesis under variable temperature and drought.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cymoxanil 8% + Mamcozeb 64% WP @ 0.2% reduced percent disease index to 17.24% in grapevine compared with untreated crop

Taxon: grapevineVitist0
Material: cv. Thompson seedlesst0
Treatment: Cymoxanil 8% + Mamcozeb 64% WP @ 0.2% treatmente1
Outcome: Percent disease indexe1
Direction: decreaseinferrede1
Value: 17. 24%e1
Qualifier: disease severity 53.84% PDIe1
Comparator: untreated crope1

Verbatim

t0
“reduce downy mildew on grapevine cv. Thompson seedless”
✓ located verbatim in the source · title, characters 58–112

e1
“Percent disease index, percent disease control, and percent yield enhancement in Cymoxanil 8% + Mamcozeb 64% WP @ 0.2% treatment were as 17. 24%, 67.97% and 33.91% in 150 ppm Irradiated chitosan+B. subtilis were 19.83, 63.16, 30.41 and in Trichoderma 150 ppm Irradiated chitosan were 24.58, 54.33, and 27.40, respectively as compared to untreated crop with disease severity 53.84% PDI”
✓ located verbatim in the source · abstract, characters 593–977

Title

Combination of irradiated chitosan and microbial agent to reduce downy mildew on grapevine cv. Thompson seedless

Mahadev Khatal; Tanaji Narute; Rakesh Sonawane; et al. Biopolymers 2024. doi:10.1002/bip.23603

Other claims from this paper (12)

Intervention effect Cymoxanil 8% + Mamcozeb 64% WP @ 0.2% gave 67.97% percent disease control in grapevine
Intervention effect Cymoxanil 8% + Mamcozeb 64% WP @ 0.2% gave 33.91% percent yield enhancement in grapevine
Intervention effect 150 ppm irradiated chitosan with B. subtilis reduced percent disease index to 19.83 in grapevine compared with untreated crop
Intervention effect 150 ppm irradiated chitosan with B. subtilis gave 63.16 percent disease control in grapevine
Intervention effect 150 ppm irradiated chitosan with B. subtilis gave 30.41 percent yield enhancement in grapevine
Intervention effect 150 ppm irradiated chitosan with Trichoderma reduced percent disease index to 24.58 in grapevine compared with untreated crop
Intervention effect 150 ppm irradiated chitosan with Trichoderma gave 54.33 percent disease control in grapevine
Intervention effect 150 ppm irradiated chitosan with Trichoderma gave 27.40 percent yield enhancement in grapevine
Recommendation Irradiated chitosan and Bacillus subtilis form a synergistic combination for grape disease management
Association Minimum temperature was positively and significantly correlated (r = 0.484) with the paper outcome
Association Morning relative humidity (RH I) was positively and significantly correlated (r = 0.485) with the paper outcome
Association Evening relative humidity (RH II) was positively and highly significantly correlated (r = 0.664) with the paper outcome

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Appropriate postponement of transplanting date increased length and width of upper leaves of flue-cured tobacco.

Taxon: flue-cured tobaccoe1
Material: K326e0
Treatment: appropriate postponement of transplanting datee1
Outcome: length and width of upper leavese2
Direction: increasede2
Setting: Qiangongping,Fenghuang County,Hunan Provincee0

Not reportedComparator

Verbatim

e0
“Effects of transplanting date on disease degree,agronomic properties,economic characters and usability of upper leaves of flue-cured tobacco were studied with K326 as material in Qiangongping,Fenghuang County,Hunan Province”
✓ located verbatim in the source · abstract, characters 0–223

e1
“appropriate postponement of transplanting date for flue-cured tobacco could apparently decrease the degree of tobacco brown spot and virus disease of upper leaves and disease plaques on leaves”
✓ located verbatim in the source · abstract, characters 251–443

e2
“the plant height,number of effective remained leaves,length and width of upper leaves and yield unit area could be obviously increased”
✓ located verbatim in the source · abstract, characters 461–595

Title

Effects of Transplantation Date on Agronomic Properties,Economic Characters and Usability of Upper Leaf of Flue Cured Tobacco

Luo Chao-jue Crop Research 2010

Other claims from this paper (10)

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The combination of overhead and dropleg spraying significantly reduced Kabatiella zeae disease severity on the upper maize leaves.

Taxon: forage maizee0
Organ / stage: upper leavese2
Treatment: the combination of the overhead and dropleg spraying techniquee2
Interactor: Kabatiella zeaeAureobasidium zeaee0pathogen
Outcome: Disease severitiese2
Direction: significantly reducede2

Not reportedComparator

Verbatim

e0
“This study investigated the efficacy of fungicide applications during flowering in forage maize using the overhead and dropleg spraying techniques as well as a combination for the control of Kabatiella zeae and mycotoxin-producing Fusarium species”
✓ located verbatim in the source · abstract, characters 490–737

e2
“Disease severities were significantly reduced on the upper leaves by the overhead application and the combination of the overhead and dropleg spraying technique, whereby the three spraying techniques were equally able to decrease the infestation on the yield-essential leaves around the main ear”
✓ located verbatim in the source · abstract, characters 1427–1722

Title

Efficacy of Different Fungicide Spraying Techniques on the Infestation with Kabatiella zeae and Formation of Fusarium Mycotoxins in Forage Maize

Tim Birr; Andreas Tillessen; Joseph-Alexander Verreet; et al. Agriculture 2023. doi:10.3390/agriculture13061269

Other claims from this paper (10)

Intervention effect Overhead fungicide application significantly reduced Kabatiella zeae disease severity on the upper maize leaves.
Intervention effect The three spraying techniques were equally able to decrease infestation of the yield-essential leaves around the main ear.
Intervention effect Fusarium inoculation of main ears at full flowering significantly increased DON and ZEN concentrations compared with natural Fusarium infection.
Intervention effect Fusarium inoculation of main ears at full flowering did not affect dry matter yield.
Observation The strongest K. zeae disease progression occurred after flowering on the upper leaves and on leaves around the main ear.
Intervention effect No differences in dry matter yield were found between the fungicide application techniques.
Intervention effect Fungicide application techniques significantly increased dry matter yield compared with the untreated control.
Intervention effect Sub-canopy dropleg applications, alone or combined with overhead spraying, most effectively reduced DON and ZEN contamination.
Intervention effect The applied fungicide reduced Fusarium infections of the main ears.
Recommendation The dropleg technique offers an opportunity for improved protection of lower maize organs, especially in tall crops.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The integration method increased available nitrogen by 8.84% versus the control.

Taxon: cassavaManihot esculentat0
Treatment: integration methode0
Outcome: available nitrogene0
Direction: increasee0
Value: 8.84%e0
Comparator: controle0

Verbatim

t0
“cassava”
✓ located verbatim in the source · title, characters 64–71

e0
“Compared with the control,integration method brought about the increase of 11.14%,15.06%,12.44%,21.43%,32.39%,23.04% and 7697.90 yuan/ha on cassava stem diameter,tuberous root diameter,tuberous root length,tuberous root number per plant,tuberous root weight per plant,fresh weight of tuberous root per hectare and benefit,increase of 8.84%,8.73%,5.22%,7.56%,3.08%,15.51% and 9.86% on available nitrogen,phosphorus,potass…” Show full quote
✓ located verbatim in the source · abstract, characters 720–1258

Title

Effects of integrated fertilization and tillage technologies on cassava yield and physical and chemical properties of soil

HE Yong-qu Nanfang nongye xuebao 2014

Other claims from this paper (15)

Intervention effect The integration method increased cassava stem diameter by 11.14% versus the control.
Intervention effect The integration method increased tuberous root diameter by 15.06% versus the control.
Intervention effect The integration method increased tuberous root length by 12.44% versus the control.
Intervention effect The integration method increased tuberous root number per plant by 21.43% versus the control.
Intervention effect The integration method increased tuberous root weight per plant by 32.39% versus the control.
Intervention effect The integration method increased fresh weight of tuberous root per hectare by 23.04% versus the control.
Intervention effect The integration method increased benefit by 7697.90 yuan/ha versus the control.
Intervention effect The integration method increased phosphorus by 8.73% versus the control.
Intervention effect The integration method increased potassium by 5.22% versus the control.
Intervention effect The integration method increased organic matter by 7.56% versus the control.
Intervention effect The integration method increased pH by 3.08% versus the control.
Intervention effect The integration method increased moisture content by 15.51% versus the control.
Intervention effect The integration method increased total porosity by 9.86% versus the control.
Intervention effect The integration method decreased soil bulk density by 5.63 % versus the control.
Recommendation The authors recommend the integrated fertilization and tillage method for cassava production.

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“yield decrease”

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