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“yield decrease”

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plus 178 non-evaluative

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Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Head rot decrease oil content.

Taxon: SunflowerHelianthus annuust0
Interactor: Head rote0pathogen
Outcome: oil contente0
Direction: decreasee0

Verbatim

e0
“Head rot caused a small but significant decrease in oil content and a significant increase in free fatty acid content.”
✓ located verbatim in the source · abstract, characters 0–118

t0
“Sunflower”
✓ located verbatim in the source · title, characters 24–33

Title

Sclerotinia Head Rot of Sunflower in North Dakota: 1986 Incidence, Effect on Yield and Oil Components, and Sources of Resistance

T. J. Gulya Plant Disease 1989. doi:10.1094/pd-73-0504

Other claims from this paper (5)

Observation Head rot increase free fatty acid content.
Observation Head rot unaffected proportions of palmitic, stearic, oleic, and linoleic acids.
Observation Twenty-six of 164 genotypes had less head rot than the hybrid 894 check.
Observation PI 377530 had more resistance to head rot and Sclerotinia wilt than the 894 check.
Observation PI 380571 had more resistance to head rot and Sclerotinia wilt than the 894 check.

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Diseased bean plants had significantly lower yield.

Taxon: Phaseolus vulgarisPhaseolus vulgarist0
Interactor: bean common mosaic virusBean common mosaic virust1pathogen
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“3 significant decrease for yield in diseased plants”
✓ located verbatim in the source · abstract, characters 196–247

t0
“Phaseolus vulgaris”
✓ located verbatim in the source · title, characters 90–108

t1
“Bean Common Mosaic Virus”
✓ located verbatim in the source · title, characters 62–86

Title

Modification of Heterosis for Protein and Yield Components by Bean Common Mosaic Virus in Phaseolus vulgaris

A. Sarrafi; R. Ecochard Plant Breeding 1986. doi:10.1111/j.1439-0523.1986.tb01067.x

Other claims from this paper (5)

Observation One diseased variety had significantly reduced 100 seed weight.
Observation Virus-diseased plants had increased protein percentage.
Mechanism The protein increase was due to non-protein nitrogen.
Observation Virus disease usually decreased heterosis in hybrids of two susceptible varieties.
Observation Virus disease increased heterosis in susceptible × resistant hybrids.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

In 1977, reduced sugar beet yield was mainly attributed to lower population and uneven distribution.

Taxon: sugar beetBeta vulgaris subsp. vulgarise0
Outcome: decrease in yielde0
Direction: decreasee0
Qualifier: decreased population and uneven distribution of plantse0

Verbatim

e0
“The decrease in yield in sugar beet in 1977 was due mainly to decreased population and uneven distribution of plants, rather than the continued direct effects of compaction on individual plants”
✓ located verbatim in the source · abstract, characters 592–785

Title

The effects of soil compaction on the emergence, growth and yield of sugar beet and peas

Paul D. Hebblethwaite; Michael McGowan Journal of the Science of Food and Agriculture 1980. doi:10.1002/jsfa.2740311103

Other claims from this paper (10)

Intervention effect Compaction reduced sugar beet emergence.
Intervention effect Compaction reduced peas emergence.
Intervention effect Compaction caused uneven crop stands.
Intervention effect Compaction delayed early root growth.
Intervention effect Compaction restricted depth of water extraction.
Intervention effect Sugar beet root yield decreased by up to 45%.
Intervention effect Sugar beet sugar yield decreased by up to 45%.
Intervention effect Vining pea yield decreased by up to 50%.
Observation In 1978, individual sugar beet plants also decreased in size.
Mechanism Both reduced population and plant size mattered similarly for peas.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Aldicarb alone did not reduce disease or increase yield.

Taxon: PeanutsArachis hypogaeat0
Treatment: Aldicarbe0
Outcome: disease or increase yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Aldicarb and phenamiphos alone did not decrease disease or increase yield.”
✓ located verbatim in the source · abstract, characters 1132–1206

t0
“Peanuts”
✓ located verbatim in the source · title, characters 106–113

Title

Evaluation of Trichoderma spp., Fungicides, and Chemical Combinations for Control of Southern Stem Rot on Peanuts1

A. S. Csinos; D. K. Bell; N. A. Minton; et al. Peanut Science 1983. doi:10.3146/i0095-3679-10-2-9

Other claims from this paper (11)

Intervention effect Trichoderma treatments alone or with wheat middlings or carboxin did not reduce disease or increase yield.
Intervention effect T. harzianum with PCNB at 11.2 kg/ha reduced disease.
Observation Trichoderma activity appeared to last only 3–8 days, inadequate for season long control.
Intervention effect PCNB containing treatments significantly increased peanut yield in 9 of 12 trials by an average 790 kg/ha.
Intervention effect PCNB containing treatments significantly reduced disease loci in 5 of 12 trials by an average 36%.
Intervention effect Ethoprop 10G alone increased yield in one of three trials.
Intervention effect Ethoprop 10G alone did not reduce disease.
Intervention effect Phenamiphos alone did not reduce disease or increase yield.
Intervention effect Carboxin 4G reduced disease and increased yield only when applied six times at 1.12 kg ai/ha as needed.
Intervention effect Carboxin 3F applied six times did not improve yield or reduce disease.
Intervention effect Carboxin 75W applied once did not improve yield or reduce disease.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Phenamiphos alone did not reduce disease or increase yield.

Taxon: PeanutsArachis hypogaeat0
Treatment: phenamiphose0
Outcome: disease or increase yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Aldicarb and phenamiphos alone did not decrease disease or increase yield.”
✓ located verbatim in the source · abstract, characters 1132–1206

t0
“Peanuts”
✓ located verbatim in the source · title, characters 106–113

Title

Evaluation of Trichoderma spp., Fungicides, and Chemical Combinations for Control of Southern Stem Rot on Peanuts1

A. S. Csinos; D. K. Bell; N. A. Minton; et al. Peanut Science 1983. doi:10.3146/i0095-3679-10-2-9

Other claims from this paper (11)

Intervention effect Trichoderma treatments alone or with wheat middlings or carboxin did not reduce disease or increase yield.
Intervention effect T. harzianum with PCNB at 11.2 kg/ha reduced disease.
Observation Trichoderma activity appeared to last only 3–8 days, inadequate for season long control.
Intervention effect PCNB containing treatments significantly increased peanut yield in 9 of 12 trials by an average 790 kg/ha.
Intervention effect PCNB containing treatments significantly reduced disease loci in 5 of 12 trials by an average 36%.
Intervention effect Ethoprop 10G alone increased yield in one of three trials.
Intervention effect Ethoprop 10G alone did not reduce disease.
Intervention effect Aldicarb alone did not reduce disease or increase yield.
Intervention effect Carboxin 4G reduced disease and increased yield only when applied six times at 1.12 kg ai/ha as needed.
Intervention effect Carboxin 3F applied six times did not improve yield or reduce disease.
Intervention effect Carboxin 75W applied once did not improve yield or reduce disease.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher clay and clay loam texture classes tended to decrease root penetration.

Outcome: root penetrationse0
Direction: decreasee0
Setting: clay and clay loam soilse0

Not reportedTaxon

Verbatim

e0
“The higher texture classes of the clay and clay loam soils tended to decrease general root penetrations.”
✓ located verbatim in the source · abstract, characters 1000–1104

Title

Effect of soil properties on the yield and persistence of Mediterranean perennial grasses in southern Western Australia

EF Biddiscombe; AL Rogers; GW Anderson; et al. Australian Journal of Experimental Agriculture 1983. doi:10.1071/ea9830399

Other claims from this paper (14)

Association Cocksfoot yield was higher on gravelly yellow podzolic soil.
Association Phalaris yield was higher on gravelly yellow podzolic soil.
Association Tall fescue yield was higher on gravelly yellow podzolic soil.
Association Phalaris yielded well on red podzolic soil.
Association Early and sustained perched water was associated with high yield of all sown grasses.
Association High A-horizon gravel improved cocksfoot yield.
Association High A-horizon gravel improved fescue yield.
Association High A-horizon gravel depressed phalaris yield.
Association Higher A-horizon texture classes tended to depress cocksfoot and fescue yields.
Association Higher A-horizon texture classes had no apparent effect on phalaris yield.
Association Cocksfoot and phalaris were more productive on shallow than deep A horizons.
Association Fescue yield was unaffected by A-horizon depth.
Method / resource Regression equations with three or four soil properties accurately estimated grass yields.
Recommendation The authors suggest selecting grasses by soil type.

Associationobservedreview summarynegativebasis n/a

Claim · model-written summary

Oil content of sunflower decreases as nitrogen fertilizer raises yield.

Taxon: SunflowerHelianthus annuust0
Treatment: nitrogen fertilizere2
Outcome: oil contentse2
Direction: decreasee2

Verbatim

t0
“Sunflower performance”
✓ located verbatim in the source · title, characters 0–21

e2
“generally as yields increase in response to nitrogen fertilizer there is a corresponding decrease in oil contents”
✓ located verbatim in the source · abstract, characters 665–778

Title

Sunflower performance — Agronomic aspects

Alvin J. Jarvi Journal of the American Oil Chemists Society 1983. doi:10.1007/bf02702090

Other claims from this paper (10)

Observation Plant populations of 35,000 to 60,000 per hectare are used in the major sunflower production areas.
Observation Sunflower planting depth ranges from 3 cm to 10 cm depending on soil moisture.
Association Sunflower yields increase in response to nitrogen fertilizer.
Recommendation Adequate weed control is very important during the first three weeks after sunflower emergence.
Observation Sunflower is frost-tolerant at the seedling stage and after flowering.
Observation Sunflower is most susceptible to frost during the period of rapid growth and flowering.
Observation Sunflower is not highly drought-resistant.
Observation Sunflower effectively utilizes soil moisture to a depth of over 2 m.
Association Sunflower performance is influenced by cultivar, environment and their interaction.
Recommendation Good agronomic practices lead to optimum use of the sunflower growing season.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Applied GA3 decreased grain yield per head in wheat.

Taxon: wheatTriticum aestivumt0
Treatment: applied GA3e1
Outcome: grain yield per heade1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“wheats”
✓ located verbatim in the source · title, characters 77–83

e1
“The general effect of applied GA3was to decrease grain yield per head, mainly by decreasing the grain number”
✓ located verbatim in the source · abstract, characters 323–431

Title

Grain yield responses to applied gibberellin in normal-height and semi-dwarf wheats

MS Rahman; RG Flood; GM Halloran Australian Journal of Agricultural Research 1981. doi:10.1071/ar9810243

Other claims from this paper (6)

Intervention effect Applied GA3 decreased grain number in wheat.
Intervention effect Applying GA3 to the leaves alone at heading increased yield in two normal-height wheats due to increased grain number.
Intervention effect Applying GA3 jointly to the leaves and head at anthesis increased yield in two normal-height wheats due to increased grain number.
Intervention effect Applications decreased the mean grain size of semi-dwarf wheats.
Intervention effect The grain size response of normal-height wheats to applications ranged from little change to a significant increase.
Observation No distinct group differences in yield response were found between normal-height and semidwarf wheats.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Irrigating above or below 60% E pan significantly reduced fruit yield.

Taxon: okraAbelmoschus esculentust0
Treatment: increase or decrease in the amount of irrigatione0
Outcome: yielde0
Direction: decreasese0

Not reportedComparator

Verbatim

e0
“significant decreases in yield were noted with an increase or decrease in the amount of irrigation.”
✓ located verbatim in the source · abstract, characters 528–627

t0
“Okra”
✓ located verbatim in the source · title, characters 48–52

Title

Effect of Irrigation on the Growth and Yield of Okra

B. P. Singh HortScience 1987. doi:10.21273/hortsci.22.5.879

Other claims from this paper (5)

Intervention effect Irrigation increased okra vegetative growth over unirrigated controls.
Intervention effect Irrigation increased okra fruit yield over unirrigated controls.
Intervention effect Across 40% to 100% pan evaporation, irrigation produced similar vegetative growth increases.
Association Fruit yield differed among irrigation amounts.
Intervention effect Irrigation at 60% E pan maximized fruit yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sewage sludge fertilization tended to decrease cotton lint quality in field trials.

Taxon: cottonGossypium hirsutume3
Treatment: sewage sludgee3
Outcome: lint qualitye3
Direction: decreasee3
Setting: Avra Valley, Arizonae0

Not reportedComparator

Verbatim

e0
“Three field experiments were conducted in Avra Valley, Arizona, in 1986”
✓ located verbatim in the source · abstract, characters 0–71

e3
“Fertilization of cotton with sewage sludge tended to increase lint yield and decrease lint quality”
✓ located verbatim in the source · abstract, characters 342–440

Title

Effects of Sewage Sludge on Cotton Lint Quality

Anil Day; Bruce Taylor; Ian L. Pepper; et al. UA Campus Repository (The University of Arizona) 1988

Other claims from this paper (4)

Intervention effect Cotton fertilized with sewage sludge had lint quality components similar to cotton fertilized with inorganic nitrogen in field trials in Avra Valley, Arizona.
Intervention effect Sewage sludge fertilization tended to increase cotton lint yield in field trials.
Intervention effect Sewage sludge fertilization increased vegetative growth of cotton.
Intervention effect Sewage sludge fertilization delayed lint maturity of cotton.

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“yield decrease”

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