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“yield decrease”

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Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Transgenic potato showed precocious leaf senescence.

Taxon: potato ( Solanum tuberosum L.)Solanum tuberosume1
Outcome: leaf senescencee0
Direction: precociouse0

Verbatim

e0
“Transgenic plants exhibited reduced apical dominance, altered leaf morphology, precocious leaf senescence and a decrease in overall tuber yield”
✓ located verbatim in the source · abstract, characters 798–941

e1
“transgenic potato ( Solanum tuberosum L.) plants”
✓ located verbatim in the source · abstract, characters 418–466

Title

Reduced inositol content and altered morphology in transgenic potato plants inhibited for 1D‐myo‐inositol 3‐phosphate synthase

Ruth Keller; Charles A. Brearley; Richard N. Trethewey; et al. The Plant Journal 1998. doi:10.1046/j.1365-313x.1998.00309.x

Other claims from this paper (9)

Intervention effect MIPS suppression reduced potato leaf inositol to about 7% of wild type.
Intervention effect MIPS suppression reduced potato galactinol to about 5% of wild type.
Intervention effect MIPS suppression reduced potato raffinose to about 12% of wild type.
Intervention effect MIPS suppression increased hexose phosphates up to 1.7-fold.
Intervention effect MIPS suppression doubled sucrose concentration.
Intervention effect MIPS suppression raised starch concentration two- to fourfold.
Observation Transgenic potato showed reduced apical dominance.
Observation Transgenic potato showed altered leaf morphology.
Observation Transgenic potato showed decreased tuber yield.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The mutant matjan gamma 20 showed an increase in oil yield per kernel compared with its parent.

Taxon: groundnutArachis hypogaeae0
Material: matjan gamma 20e0
Treatment: gamma radiatione0
Outcome: oil yield per kernele1
Direction: increasee1
Comparator: parente1

Verbatim

e0
“The oil and protein compositions of a groundnut (Arachis hypogeae l.) mutant matjan gamma 20 induced by gamma radiation as well as the parent and three other genotypes were investigated”
✓ located verbatim in the source · abstract, characters 0–185

e1
“The mutant expressed several important improvements, over it parent including an increase in the oleic:linoleic ratio without increasing the behenic acid content, an increase on oil yield per kernel and an increase in tryptophan content without any decrease in protein content”
✓ located verbatim in the source · abstract, characters 187–463

Title

Oil and protein compositions of a groundnut (Arachis hypogaea l.) mutant matjan gamma 20

Caleb Cheah; N.H. Tan; H. T. Khor Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia) 1990

Other claims from this paper (4)

Intervention effect The mutant matjan gamma 20 showed an increase in the oleic:linoleic ratio compared with its parent.
Intervention effect The mutant matjan gamma 20 did not show an increase in behenic acid content compared with its parent.
Intervention effect The mutant matjan gamma 20 showed an increase in tryptophan content compared with its parent.
Intervention effect The mutant matjan gamma 20 showed no decrease in protein content compared with its parent.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nighttime cooling significantly increased fruitset, fruit size, and uncracked fruit for mid-July and mid-August plantings.

Taxon: TOMATOESt0
Treatment: nighttime coolinge0
Outcome: fruitset, fruit size and % uncracked fruite0
Direction: increasede0
Qualifier: mid-July and mid-August plantingse0

Not reportedComparator

Verbatim

e0
“For the mid-July and mid-August plantings, fruitset, fruit size and % uncracked fruit were also increased significantly by nighttime cooling”
✓ located verbatim in the source · abstract, characters 730–870

t0
“TOMATOES”
✓ located verbatim in the source · title, characters 70–78

Title

HIGH NIGHTTIME TEMPERATURES DECREASE FRUITSET AND YIELD OF GREENHOUSE TOMATOES

Mary M. Peet; Daniel H. Willits HortScience 1992. doi:10.21273/hortsci.27.6.596e

Other claims from this paper (6)

Intervention effect Nighttime cooling increased fruit weight by 11% for mid-April planting.
Intervention effect Nighttime cooling increased fruit weight by 28% for mid-July planting.
Intervention effect Nighttime cooling increased fruit weight by 53% for mid-August planting.
Intervention effect Cooling delayed maturity by 2.4 days.
Intervention effect Plants in cooled houses were 10-15% taller.
Recommendation The authors considered nighttime cooling potentially commercially feasible because cooling requirements were low.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Split nitrogen application did not improve forage quality relative to a single application.

Taxon: MaizeZea mayst0
Treatment: Split‐N applicationse0
Outcome: forage qualitye0
Direction: improvee0
Comparator: respective single rate N applicationse0

Verbatim

e0
“Split‐N applications compared to respective single rate N applications did not increase DM yields, improve forage quality, or decrease residual soil NO − 3 ‐N concentrations.”
✓ located verbatim in the source · abstract, characters 1073–1247

t0
“Forage Maize”
✓ located verbatim in the source · title, characters 30–42

Title

Growth, Yield, and Quality of Forage Maize Under Different Nitrogen Management Practices

W. J. Cox; S. Kalonge; D. J. R. Cherney; et al. Agronomy Journal 1993. doi:10.2134/agronj1993.00021962008500020033x

Other claims from this paper (12)

Observation Forage maize dry matter yield averaged 25% lower in 1991 than 1990.
Association Forage maize dry matter yields responded curvilinearly to nitrogen rate.
Observation Maximum economic nitrogen rates were 140 kg N ha −1 in 1991 and 160 kg N ha −1 in 1990.
Association neutral detergent fiber (NDF) responded linearly to nitrogen rates in 1990.
Association acid detergent fiber (ADF) responded linearly to nitrogen rates in 1990.
Association N concentrations responded linearly to nitrogen rates in 1990.
Association Forage quality improved with each increment of nitrogen in 1990.
Intervention effect Higher nitrogen rates increased residual soil nitrate nitrogen in 1990.
Intervention effect Higher nitrogen rates increased residual soil nitrate nitrogen in 1991.
Intervention effect Split nitrogen application did not improve DM yields relative to a single application.
Intervention effect Split nitrogen application did not improve residual soil NO − 3 ‐N concentrations relative to a single application.
Recommendation Maize forage producers should balance yield and forage quality benefits of more nitrogen against residual soil nitrate risk.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Selection reduced plant height by 1.5% per cycle without nitrogen fertilizer.

Taxon: maizeZea mayst0
Treatment: selectione0
Outcome: plant heighte0
Direction: decreaseinferrede0
Value: -1.5e0
Qualifier: zero fertilizer Ne0

Not reportedComparator

Verbatim

t0
“maize”
✓ located verbatim in the source · title, characters 36–41

e0
“progress per cycle of selection for grain yield, days to mid-silk, plant height, and lodging were 1.6, -0.6, -1.5, -1.1% at zero fertilizer N”
✓ located verbatim in the source · abstract, characters 1202–1343

Title

Progress from selection in la posta maize population evaluated underthree nitrogen fertilizer levels

TSpace 1998

Other claims from this paper (19)

Intervention effect Mean grain yield rose across the three nitrogen rates from 3.0 to 4.7 to 5.2 Mg ha-1.
Intervention effect As nitrogen increased, grain yield, plant height and lodging increased.
Intervention effect Ear rating increased with fertilizer nitrogen.
Intervention effect Days to mid-silk decreased with increasing fertilizer nitrogen.
Intervention effect Grain moisture and ears per plant did not change as fertilizer nitrogen increased.
Observation The greatest response to applied nitrogen across traits was at 80 kg N ha-1.
Observation Nitrogen response patterns were similar across selection cycles.
Intervention effect Selection increased grain yield per cycle by 1.6% without nitrogen fertilizer.
Intervention effect Selection advanced mid-silk by 0.6% per cycle without nitrogen fertilizer.
Intervention effect Selection reduced lodging by 1.1% per cycle without nitrogen fertilizer.
Intervention effect Selection increased grain yield by 2.1% per cycle at 80 kg N ha-1.
Intervention effect Selection decreased days to mid-silk by 0.8% per cycle at 80 kg N ha-1.
Intervention effect Selection decreased plant height by 1.5% per cycle at 80 kg N ha-1.
Intervention effect Selection decreased lodging by 3.5% per cycle at 80 kg N ha-1.
Intervention effect At 160 kg N ha-1, selection increased grain yield by 1.8% per cycle.
Intervention effect At 160 kg N ha-1, selection decreased days to mid-silk by 0.7% per cycle.
Intervention effect At 160 kg N ha-1, selection decreased plant height by 1.4% per cycle.
Intervention effect At 160 kg N ha-1, selection decreased lodging by 2.8% per cycle.
Observation Recurrent selection had little effect on the population’s nitrogen fertilizer response.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Higher N fertiliser rates decreased dry matter intake of cows on ad libitum pasture (14.6 versus 14.0 kg DM per cow per day).

Taxon: pasturese1
Treatment: higher rates of N fertilisere2
Interactor: cowsBos tauruse0herbivore
Outcome: DMIe3
Direction: decreasee2
Value: 14.6 versus 14.0 kg DM/cow per daye3
Qualifier: ad libitum pasture allowancee3
Comparator: LNe2

Verbatim

e0
“Twenty Jersey and 12 Friesian cows”
✓ located verbatim in the source · abstract, characters 216–250

e1
“freshly cut pastures that had received either 100–150 kg N/ha (HN) or 25 kg N/ha (LN) as urea”
✓ located verbatim in the source · abstract, characters 277–370

e2
“The main effects of higher rates of N fertiliser (LN versus HN) were to decrease milk protein yield (0.58 versus 0.56 kg/cow per day; P < 0.05)”
✓ located verbatim in the source · abstract, characters 520–663

e3
“DMI for cows on ad libitum pasture allowance (14.6 versus 14.0 kg DM/cow per day; P < 0.01)”
✓ located verbatim in the source · abstract, characters 729–820

Title

Nitrogen fertiliser effects on milk yield and composition, pasture intake, nitrogen and energy partitioning, and rumen fermentation parameters of dairy cows in early lactation

T. R. Mackle; C. R. Parr; A. M. Bryant New Zealand Journal of Agricultural Research 1996. doi:10.1080/00288233.1996.9513194

Other claims from this paper (11)

Intervention effect Higher N fertiliser rates decreased milk protein yield in dairy cows fed the pasture (0.58 versus 0.56 kg per cow per day).
Intervention effect Higher N fertiliser rates decreased milk protein content (36.0 versus 35.1 g/1000 g).
Intervention effect N fertiliser left dry matter and organic matter digestibilities unaffected.
Intervention effect N fertiliser left microbial N production and N and energy balance unaffected.
Intervention effect Higher N fertiliser rates slightly reduced the proportion of ingested N retained in milk (19.8 versus 21%).
Intervention effect Higher N fertiliser rates increased milk urea N (0.21 versus 0.19 g/kg).
Intervention effect Higher N fertiliser rates increased milk non-protein N as a proportion of total N (7.0 versus 6.6%).
Intervention effect Higher N fertiliser rates tended to increase rumen ammonia concentration and pH levels.
Intervention effect Higher N fertiliser rates left foremilk urea levels unchanged.
Intervention effect N fertiliser had no clear effect on rumen volatile fatty acid concentrations.
Intervention effect N fertiliser had only minor effects on the chemical and botanical composition of the pasture.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High temperatures reduced cane height.

Taxon: RED RASPBERRIESt0
Treatment: High temperatures (30/25)e0
Outcome: cane heighte0
Direction: reducede0
Qualifier: greatest reduction occurring under long photo periodse0

Not reportedComparator

Verbatim

e0
“High temperatures (30/25) reduced cane height due to a decrease in internode length with the greatest reduction occurring under long photo periods”
✓ located verbatim in the source · abstract, characters 664–810

t0
“RED RASPBERRIES”
✓ located verbatim in the source · title, characters 80–95

Title

INFLUENCE OF GENOTYPE AND ENVIRONMENT ON YIELD COMPONENTS OF PRIMOCANE-FRUITING RED RASPBERRIES WITH EMPHASIS ON TEMPERATURE AND DAY LENGTH.

Jean-Pierre Privé; J.A. Sullivan; J.T.A. Proctor HortScience 1990. doi:10.21273/hortsci.25.9.1118f

Other claims from this paper (4)

Intervention effect Short photoperiods and cool or moderate temperatures optimized vegetative growth.
Intervention effect Long photoperiods and moderate temperatures enhanced reproductive characteristics.
Intervention effect High temperatures decreased internode length.
Intervention effect Long photoperiods enhanced precocity and flowering, especially at cool and moderate temperatures.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower organic C in the A horizon was associated with poorer silage and grain yields.

Taxon: cornZea mays subsp. mayse5
Treatment: lower organic C in the A horizone0
Outcome: silage and grain yieldse0
Direction: decreaseinferrede0

Verbatim

e0
“Poor silage and grain yields were associated with higher clay content and lower organic C in the A horizon, lower plant “available water” in the 0− to 15-cm depth interval, and possible subsoil acidity problems”
✓ located verbatim in the source · abstract, characters 722–932

e5
“controlling corn (Zea mays L.) yield differences”
✓ located verbatim in the source · abstract, characters 256–304

Title

THE INFLUENCE OF SOIL FACTORS ON YIELD DIFFERENCES AMONG LANDSCAPE POSITIONS IN AN APPALACHIAN CORNFIELD

R. J. WRIGHT; D. G. BOYER; W. M. WINANT; et al. Soil Science 1990. doi:10.1097/00010694-199006000-00009

Other claims from this paper (9)

Association Higher clay content was associated with poorer silage and grain yields.
Association Lower plant available water in the 0 to 15 cm depth was associated with poorer silage and grain yields.
Association Possible subsoil acidity problems may be associated with poorer silage and grain yields.
Association Mean available water was a good predictor of silage yield.
Association Soil water was apparently the most important factor controlling corn production differences.
Observation Silage yield in 1984 ranged from 15.3 to 43.0 Mg/ha.
Observation Silage yield in 1985 ranged from 22.2 to 36.6 Mg/ha.
Observation Grain yield in 1984 ranged from 3.1 to 8.2 Mg/ha.
Observation Grain yield in 1985 ranged from 4.0 to 7.6 Mg/ha.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Loads below the ~9 dry t·ha -1 yield level were followed by a subsequent increase in fruit load

Taxon: French prunee0
Treatment: loads below this valuee6
Outcome: fruit loade6
Direction: increasee6

Verbatim

e0
“The sensitivity of French prune (Prunus domestica L. syn. `Petite d'Agen') to water deprivation at various fruit growth stages was studied over 3 years in a drip-irrigated orchard”
✓ located verbatim in the source · abstract, characters 0–179

e6
“Substantial alternate hearing occurred, and, in general, dry fruit yields above ≈9 dry t·ha -1 resulted in a decrease in fruit load the following year, while loads below this value showed a subsequent increase”
✓ located verbatim in the source · abstract, characters 2062–2271

Title

Sensitivity of Yield and Fruit Quality of French Prune to Water Deprivation at Different Fruit Growth Stages

Bruce D. Lampinen; Kenneth A. Shackel; Stephen M. Southwick; et al. Journal of the American Society for Horticultural Science 1995. doi:10.21273/jashs.120.2.139

Other claims from this paper (16)

Intervention effect Water deprivation caused the most severe reduction in tree water status when imposed over longer periods and during high evaporative demand
Intervention effect Deprivation during all of stage II was associated with increased flowering
Intervention effect Deprivation during all of stage II reduced fruit hydration ratio
Intervention effect Deprivation during all of stage II produced smaller fruit size
Intervention effect Under deep soil, deprivation during all of stage II increased return bloom
Intervention effect Under deep soil, deprivation during all of stage II increased fruit loads
Intervention effect Under deep soil, deprivation during all of stage II increased dry fruit yield
Intervention effect Under shallow soil, deprivation during all of stage II increased return bloom
Intervention effect Under shallow soil, deprivation during all of stage II gave the lowest fruit loads and dry fruit yields of all treatments
Observation Treatments with parallel effects in shallow and deep soil gave statistically significant overall treatment effects
Observation Treatments with opposing effects in shallow and deep soil did not show significant overall treatment effects
Association Dry fruit yields above about 9 dry t·ha -1 were followed by a decrease in fruit load the next year
Intervention effect All deprivation treatments gave a higher sustainable fruit load than the fully irrigated control
Recommendation An optimal level of tree water stress may exist for prune fruit production
Mechanism Shallow-versus-deep differences in treatment effects are most likely due to increased fruit drop
Observation Substantial alternate bearing occurred in the prune trees

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Incorporating only hairy vetch roots increased succeeding cereal grain yield by 3% versus whole biomass.

Taxon: Cereal Cropt0
Treatment: root incorporation of persian clover and hairy vetche0
Outcome: grain yieldse0
Direction: increasee0
Value: 3%e0
Comparator: incorporation of the whole green manuring crop biomasse0

Verbatim

e0
“Compared with incorporation of the whole green manuring crop biomass, root incorporation of persian clover and hairy vetch led to a 5% decrease and 3% increase in grain yields, respectively.”
✓ located verbatim in the source · abstract, characters 755–945

t0
“Cereal Crop”
✓ located verbatim in the source · title, characters 146–157

Title

The effect of the method of incorporation ofTrifolium resupinatumL. andVicia villosaRoth. Residues in the Soil on the Performance of a Succeeding Cereal Crop

R. T. Poutala; A. Hannukkala Acta Agriculturae Scandinavica Section B - Soil & Plant Science 1995. doi:10.1080/09064719509413111

Other claims from this paper (6)

Intervention effect Conservation tillage reduced nitrogen accumulation in wheat relative to conventional tillage.
Intervention effect Conservation tillage lowered subsequent wheat grain yield by 21-33% relative to conventional tillage.
Intervention effect Conservation tillage increased weed emergence during the following growing season.
Intervention effect Incorporating only persian clover roots decreased succeeding cereal grain yield by 5% versus whole biomass.
Intervention effect Incorporating only persian clover shoots decreased grain yield by 24% versus whole biomass.
Intervention effect Incorporating only hairy vetch shoots decreased grain yield by 14% versus whole biomass.

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“yield decrease”

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