Try:droughtFusariumnitrogen fertilizerArabidopsisseed germination

“yield decrease”

800 matches

Claim types

Direction of the findings

plus 178 non-evaluative

Over time

1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

plus 31 earlier · 1910s–1940s

Refine ·

More filters

Clear filters

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Tryptophan at both concentrations reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.

Taxon: Faba BeanVicia fabat0
Treatment: tryptophan at both concentrationse0
Outcome: number and dry weight of pods, seed yield per plant and per hae0
Direction: reversede0
Comparator: glyphosate herbicidee0

Verbatim

e0
“cytokinin at 4/1000, tryptophan at both concentrations, as well as, phenylalanine at 500 ppm, reversed the phytotoxic effect of the glyphosate herbicide on decreasing the number and dry weight of pods, seed yield per plant and per ha”
✓ located verbatim in the source · abstract, characters 1018–1251

t0
“Faba Bean”
✓ located verbatim in the source · title, characters 12–21

Title

Recovery of Faba Bean (Vicia faba L.) Plants as Affected by Glyphosate

Sh. A. Shaban; A. H. El‐Hattab; Esmat A. Hassan; et al. Journal of Agronomy and Crop Science 1987. doi:10.1111/j.1439-037x.1987.tb00277.x

Other claims from this paper (8)

Intervention effect Glyphosate at the two higher doses caused phytotoxic symptoms and reduced all faba bean plant characters except the number of branches per plant.
Intervention effect GA3 alone or mixed with cytokinin reversed the glyphosate-induced decrease in faba bean plant height.
Intervention effect Cytokinin at 4/1000 reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Phenylalanine at both levels reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Tryptophan at both levels reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect GA3 at 50 ppm reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Cytokinin at 4/1000 reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.
Intervention effect Phenylalanine at 500 ppm reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Phenylalanine at 500 ppm reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.

Taxon: Faba BeanVicia fabat0
Treatment: phenylalanine at 500 ppme0
Outcome: number and dry weight of pods, seed yield per plant and per hae0
Direction: reversede0
Comparator: glyphosate herbicidee0

Verbatim

e0
“cytokinin at 4/1000, tryptophan at both concentrations, as well as, phenylalanine at 500 ppm, reversed the phytotoxic effect of the glyphosate herbicide on decreasing the number and dry weight of pods, seed yield per plant and per ha”
✓ located verbatim in the source · abstract, characters 1018–1251

t0
“Faba Bean”
✓ located verbatim in the source · title, characters 12–21

Title

Recovery of Faba Bean (Vicia faba L.) Plants as Affected by Glyphosate

Sh. A. Shaban; A. H. El‐Hattab; Esmat A. Hassan; et al. Journal of Agronomy and Crop Science 1987. doi:10.1111/j.1439-037x.1987.tb00277.x

Other claims from this paper (8)

Intervention effect Glyphosate at the two higher doses caused phytotoxic symptoms and reduced all faba bean plant characters except the number of branches per plant.
Intervention effect GA3 alone or mixed with cytokinin reversed the glyphosate-induced decrease in faba bean plant height.
Intervention effect Cytokinin at 4/1000 reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Phenylalanine at both levels reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Tryptophan at both levels reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect GA3 at 50 ppm reversed the glyphosate-induced decrease in dry weight per plant of faba bean.
Intervention effect Cytokinin at 4/1000 reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.
Intervention effect Tryptophan at both concentrations reversed the glyphosate-induced decrease in pod number, pod dry weight and seed yield per plant and per ha of faba bean.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Estimated additive variance for yield and stalk lodging decreased in BS 10 and BS 11 from C0 to C6.

Taxon: maizeZea mayse1
Material: BS 10 and BS 11e0
Outcome: additive genetic variancee0
Direction: decreasee0
Qualifier: yield and stalk lodginge0

Verbatim

e0
“Estimates of additive genetic variance suggested a decrease from the C0 to C6 of BS 10 and BS 11 for yield and stalk lodging”
✓ located verbatim in the source · abstract, characters 574–698

e1
“maize (Zea mays L.) populations”
✓ located verbatim in the source · abstract, characters 94–125

Title

Estimation of genetic variability in two maize populations

L. R. Reeder; A. R. Hallauer; K. R. Lamkey Journal of Heredity 1987. doi:10.1093/oxfordjournals.jhered.a110419

Other claims from this paper (8)

Intervention effect BS 10 full-sib progeny grain yield increased 6.3 percent from C0 to C6.
Observation BS 11 full-sib progeny grain yield increased 5.7 percent from C0 to C6.
Observation BS 10 S1 line grain yield increased 11.6 percent from C0 to C6.
Observation BS11 S1 line grain yield increased 26.3 percent from C0 to C6.
Observation Estimated additive variance for ears per plant increased in BS 10 from C0 to C6.
Observation Dominance variance estimates generally increased after selection.
Observation BS11 dominance variance for yield and stalk lodging decreased.
Observation The authors infer that selection reduced genetic variability, although most estimated changes were small and statistically nonsignificant.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delaying sowing linearly decreased maximum grain yield of winter barley by 0·43 % per day.

Taxon: winter barleyHordeum vulgaree0
Material: cv. Igrie0
Treatment: Delaying sowinge1
Outcome: maximum grain yielde1
Direction: decreasee1
Value: 0·43 %e1

Not reportedComparator

Verbatim

e0
“the influence of sowing date (early September to mid-November) on the yield of winter barley (cv. Igri)”
✓ located verbatim in the source · abstract, characters 46–149

e1
“Delaying sowing resulted in a linear decrease in maximum grain yield at a rate of 0·43 % for every day sowing was delayed”
✓ located verbatim in the source · abstract, characters 164–285

Title

Time of Sowing and the Yield of Winter Barley

C. F. Green; D. T. Furmston; J. D. Ivins The Journal of Agricultural Science 1985. doi:10.1017/s0021859600044099

Other claims from this paper (3)

Intervention effect Advancing the date of sowing increased the duration of preanthesis development in winter barley.
Intervention effect Advancing the date of sowing increased tillering and hence ear density at harvest in winter barley.
Association Yield of winter barley was linearly related to a higher number of grains.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Increased zinc application did not consistently decrease cadmium content of corn tops.

Taxon: cornZea mays subsp. mayse1
Organ / stage: topse0
Treatment: increased Zn applicatione0
Outcome: Cd content of topse0
Direction: not consistently decreasede0

Not reportedComparator

Verbatim

e0
“Cd content of tops was not consistently decreased with increased Zn application.”
✓ located verbatim in the source · abstract, characters 868–948

e1
“corn ( Zea mays L.)”
✓ located verbatim in the source · abstract, characters 214–233

Title

Effect of Cadmium‐ and Zinc‐treated Sludge on Yield and Cadmium‐Zinc Uptake of Corn

F. J. Sikora; Jeff Wolt Journal of Environmental Quality 1986. doi:10.2134/jeq1986.00472425001500040005x

Other claims from this paper (7)

Intervention effect The highest cadmium addition reduced corn-top dry weight by 19%.
Intervention effect The highest zinc addition reduced corn-top dry weight by 25%.
Intervention effect The highest cadmium addition reduced corn-root dry weight by 47%.
Intervention effect The highest zinc addition reduced corn-root dry weight by 56%.
Intervention effect Increased zinc additions decreased cadmium content in corn roots.
Intervention effect Increased sludge zinc levels increased cadmium solubility in sludge and soil.
Mechanism The relatively modest corn-top dry-weight reduction was attributed to lower cadmium availability from precipitation or binding in sludge.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Water potential decreased significantly as distance from the emitter increased.

Outcome: water potentiale0
Direction: decreasee0
Setting: radius from the emittere0

Not reportedTaxon

Verbatim

e0
“significant linear decrease in water potential with increase in radius from the emitter”
✓ located verbatim in the source · abstract, characters 826–913

Title

Yield response of bananas to trickle irrigation

T Trochoulias; RD Murison Australian Journal of Experimental Agriculture 1981. doi:10.1071/ea9810448

Other claims from this paper (14)

Intervention effect Irrigation above 40% pan evaporation increased banana bunch weight significantly.
Intervention effect At 60% E, banana bunch weight was 27.6 kg versus 25.7 kg in controls.
Intervention effect The 60%, 80%, 100%, and 120% treatments increased banana hand number by 0.3 hands yearly.
Intervention effect The control, 20%, and 40% treatments did not affect banana hand number.
Intervention effect The 60% treatment increased finger number annually by 4.6.
Intervention effect The 80% treatment increased finger number annually by 4.0.
Intervention effect The 100% treatment increased finger number annually by 5.8.
Intervention effect The 120% treatment increased finger number annually by 5.0.
Observation Control plots had lower water potential than irrigated plots.
Observation Water potential changed little in other irrigation treatments.
Observation About 70% of banana roots occurred in the top 40 cm of soil.
Observation Forty percent of banana roots were within a 60 by 60 cm square near the plant base.
Observation Trickle irrigation supplied 29% of total water during six years under the 60% E treatment.
Recommendation The authors recommend 60% pan evaporation for banana trickle irrigation on free draining east Australian soils.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Reservoir bottom sediment decreased transient chlorophyll fluorescence yield in Tradescantia leaves

Taxon: TradescantiaTradescantiae0
Treatment: bottom sediment of an earthen water reservoire0
Outcome: transient chlorophyll fluorescence yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The bottom sediment of an earthen water reservoir was found to cause elevated somatic mutation frequencies in the stamen hair system of Tradescantia and a decrease in the transient chlorophyll fluorescence yield in leaves of Tradescantia and Zea mays”
✓ located verbatim in the source · abstract, characters 9–259

Title

Mutagenicity of bottom sediment from a water reservoir

William R. Lower; Armon F. Yanders; Alan G. Underbrink; et al. Environmental Toxicology and Chemistry 1985. doi:10.1002/etc.5620040103

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

A third cut on 15 or 20 August caused the greatest reduction in next-year first-cut yield.

Taxon: ALFALFAMedicago sativat0
Treatment: 15 Aug. or 20 Aug.e0
Outcome: yield of the first cut in the next yeare0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Harvesting the third cut on 15 Aug. or 20 Aug. caused the most decrease in the yield of the first cut in the next year”
✓ located verbatim in the source · abstract, characters 251–369

t0
“ALFALFA”
✓ located verbatim in the source · title, characters 37–44

Title

THE CRITICAL FALL HARVEST PERIOD FOR ALFALFA IN INTERIOR BRITISH COLUMBIA

DARRYL G. STOUT Canadian Journal of Plant Science 1986. doi:10.4141/cjps86-076

Other claims from this paper (3)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Hard freezing decreased carboxylation efficiency and apparent quantum yield.

Taxon: Engelmann sprucePicea engelmanniit0
Treatment: Hard‐freeze conditions (less than – 4°C)e0
Outcome: carboxylation efficiency and apparent quantum yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Hard‐freeze conditions (less than – 4°C) also caused a decrease in carboxylation efficiency and apparent quantum yield”
✓ located verbatim in the source · abstract, characters 584–702

t0
“Engelmann spruce”
✓ located verbatim in the source · title, characters 118–134

Title

The effect of freezing nights on photosynthesis, stomatal conductance, and internal CO₂ concentration in seedlings of Engelmann spruce (Picea engelmannii Parry)

E. H. DELUCIA Plant Cell & Environment 1987. doi:10.1111/j.1365-3040.1987.tb01614.x

Other claims from this paper (10)

Intervention effect A – 2.5°C night caused a slight reversible decline in gas exchange.
Intervention effect A ‐4°C exposure caused substantial irreversible photosynthesis inhibition.
Intervention effect A –5°C exposure caused substantial irreversible photosynthesis inhibition.
Intervention effect Hard freezing decreased stomatal conductance and net photosynthesis.
Intervention effect Hard freezing decreased stomatal limitation to gas exchange.
Mechanism Authors infer that freezing disrupted dark reactions and electron transport.
Observation Photosynthetic freeze response did not differ significantly across elevational populations.
Observation Elevational populations showed acclimatory adjustments.
Intervention effect Cool-grown seedlings had less gas exchange impairment after a hard freeze than warm-grown seedlings.
Intervention effect Cool-grown seedlings recovered gas exchange faster after a hard freeze than warm-grown seedlings.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Some metal concentrations cut bush bean yield by at least half.

Taxon: bush beanse1
Treatment: levels used at various pointse0
Outcome: yielde0
Direction: decreasee0
Value: 50% or moree0

Not reportedComparator

Verbatim

e0
“The levels used at various points produced 50% or more yield decrease”
✓ located verbatim in the source · abstract, characters 475–544

e1
“the bush beans were less tolerant”
✓ located verbatim in the source · abstract, characters 404–437

Title

Zinc, nickel, and cadmium uptake and translocation to seed pods and their effects on gas exchange rates of bush bean plants grown in calcareous soil from the Northern Mojave Desert

P. M. Patel; A. Wallace; T. Hartsock; et al. Journal of Plant Nutrition 1980. doi:10.1080/01904168009362737

Other claims from this paper (12)

Intervention effect Zinc caused toxicity in bush beans grown in calcareous soil.
Intervention effect Nickel caused toxicity in bush beans grown in calcareous soil.
Intervention effect Cadmium caused toxicity in bush beans grown in calcareous soil.
Observation Bush beans were less tolerant of the metals than previously grown desert plants.
Observation Zinc reached fruit at lower concentrations than leaves.
Observation Nickel reached fruit at lower concentrations than leaves.
Observation Nickel transport to fruit exceeded zinc transport.
Observation Cadmium was undetectable in fruits.
Intervention effect Excess zinc restricted copper movement into fruit.
Intervention effect Excess nickel restricted copper movement into fruit.
Intervention effect Zinc and nickel had no reported influence on photosynthesis and transpiration.
Intervention effect Cadmium decreased gas exchange on a dry-weight basis.

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics