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“decrease in density”

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Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Release of 1418 parasites/ha did not decrease sugarcane borer density.

Taxon: sugarcanee1
Treatment: Release of 1418 parasites/hae0
Interactor: Diatraea saccharalisDiatraea saccharalise1pest
Second interactor: Lixophaga diatraeaee2biocontrol_agent
Outcome: host densitye0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Release of 1418 parasites/ha did not decrease host density.”
✓ located verbatim in the source · abstract, characters 359–418

e1
“sugarcane borer, Diatraea saccharalis (F.)”
✓ located verbatim in the source · abstract, characters 169–211

e2
“a tachinid parasite, Lixophaga diatraeae (Townsend)”
✓ located verbatim in the source · abstract, characters 18–69

Title

Potential of Lixophaga diatraeae for Control of Diatraeae saccharalis in Louisiana124

R. M. McPherson; S. D. Hensley Journal of Economic Entomology 1976. doi:10.1093/jee/69.2.215

Other claims from this paper (6)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

A third year without wheat gave no further wild oat density decrease.

Taxon: wheatTriticum aestivumt0
Treatment: a third year without wheate0
Interactor: wild oatsAvenat0weed
Outcome: additional decreasee0
Direction: no additional decreasee0

Not reportedComparator

Verbatim

t0
“wild oats in wheat”
✓ located verbatim in the source · title, characters 15–33

e0
“a third year without wheat gave no additional decrease.”
✓ located verbatim in the source · abstract, characters 540–595

Title

The control of wild oats in wheat by winter fallowing and summer cropping

H. PHILPOTTS Weed Research 1975. doi:10.1111/j.1365-3180.1975.tb01128.x

Other claims from this paper (5)

Intervention effect One winter fallow reduced wild oat density by 96.6 percent.
Intervention effect Two consecutive fallows reduced wild oat density below 0.2 plants per square metre.
Association Wheat establishment was affected only at very high wild oat density.
Intervention effect Wild oats reduced wheat yield by up to 77 percent.
Association Wheat yield was significantly negatively related to wild oat density.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

1000-kernel weight declined linearly with increased density.

Taxon: TRITICALE AND GLENLEA WHEATt0
Treatment: increased plant densitye0
Outcome: 1000-kernel weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“1000-kernel weight, kernel number per spike, and number of fertile spikes per plant exhibited a highly significant linear decrease with increased plant density.”
✓ located verbatim in the source · abstract, characters 499–659

t0
“TRITICALE AND GLENLEA WHEAT”
✓ located verbatim in the source · title, characters 66–93

Title

EFFECT OF PLANT DENSITY ON YIELD, YIELD COMPONENTS AND QUALITY IN TRITICALE AND GLENLEA WHEAT

H. GEBRE-MARIAM; E. N. LARTER Canadian Journal of Plant Science 1979. doi:10.4141/cjps79-106

Other claims from this paper (5)

Observation Glenlea and triticales, and triticale cultivars, differed significantly for all investigated characters.
Intervention effect Grain yield was not significantly affected by plant density.
Intervention effect Kernel number per spike declined linearly with increased density.
Intervention effect Fertile spikes per plant declined linearly with increased density.
Intervention effect Protein level and lysine content were not influenced by density.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Kernel number per spike declined linearly with increased density.

Taxon: TRITICALE AND GLENLEA WHEATt0
Treatment: increased plant densitye0
Outcome: kernel number per spikee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“1000-kernel weight, kernel number per spike, and number of fertile spikes per plant exhibited a highly significant linear decrease with increased plant density.”
✓ located verbatim in the source · abstract, characters 499–659

t0
“TRITICALE AND GLENLEA WHEAT”
✓ located verbatim in the source · title, characters 66–93

Title

EFFECT OF PLANT DENSITY ON YIELD, YIELD COMPONENTS AND QUALITY IN TRITICALE AND GLENLEA WHEAT

H. GEBRE-MARIAM; E. N. LARTER Canadian Journal of Plant Science 1979. doi:10.4141/cjps79-106

Other claims from this paper (5)

Observation Glenlea and triticales, and triticale cultivars, differed significantly for all investigated characters.
Intervention effect Grain yield was not significantly affected by plant density.
Intervention effect 1000-kernel weight declined linearly with increased density.
Intervention effect Fertile spikes per plant declined linearly with increased density.
Intervention effect Protein level and lysine content were not influenced by density.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Fertile spikes per plant declined linearly with increased density.

Taxon: TRITICALE AND GLENLEA WHEATt0
Treatment: increased plant densitye0
Outcome: number of fertile spikes per plante0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“1000-kernel weight, kernel number per spike, and number of fertile spikes per plant exhibited a highly significant linear decrease with increased plant density.”
✓ located verbatim in the source · abstract, characters 499–659

t0
“TRITICALE AND GLENLEA WHEAT”
✓ located verbatim in the source · title, characters 66–93

Title

EFFECT OF PLANT DENSITY ON YIELD, YIELD COMPONENTS AND QUALITY IN TRITICALE AND GLENLEA WHEAT

H. GEBRE-MARIAM; E. N. LARTER Canadian Journal of Plant Science 1979. doi:10.4141/cjps79-106

Other claims from this paper (5)

Observation Glenlea and triticales, and triticale cultivars, differed significantly for all investigated characters.
Intervention effect Grain yield was not significantly affected by plant density.
Intervention effect 1000-kernel weight declined linearly with increased density.
Intervention effect Kernel number per spike declined linearly with increased density.
Intervention effect Protein level and lysine content were not influenced by density.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing density from 12000 to 18000 plants/ha decreased root tuber yield in Amani 4026/16.

Taxon: cassavaManihot esculentat0
Material: Amani 4026/16e0
Treatment: Increase in plant density from 12000 to 18000 plants/hae0
Outcome: root tuber yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increase in plant density from 12000 to 18000 plants/ha led to a decrease in root tuber yield in Amani 4026/16.”
✓ located verbatim in the source · abstract, characters 615–726

t0
“three cassava varieties”
✓ located verbatim in the source · title, characters 16–39

Title

Growth rates of three cassava varieties (Manihot esculenta Crantz) under varying population densities

B. A. C. Enyi The Journal of Agricultural Science 1973. doi:10.1017/s0021859600058251

Other claims from this paper (19)

Observation Msitu Zanzibar had greater yield than Aipin Valenca and Amani 4026/16.
Observation Aipin Valenca yielded more than Amani 4026/16.
Association Varietal yield differences were associated with bulking rate.
Intervention effect Higher plant density increased tuber yield per hectare, with a greater mean increase in Aipin Valenca than the other two varieties.
Observation Calculated optimum density for maximum yield in Msitu Zanzibar was 6·7 plants/m 2.
Observation Calculated optimum density for maximum yield in Aipin Valenca was 6·4 plants/m 2.
Observation Calculated optimum density for maximum yield in Amani 4026/16 was 5·6 plants/m 2.
Association Spacing effects on tuber yield were associated with bulking rate differences.
Observation Aipin Valenca was usually taller than the other varieties.
Intervention effect Increasing density generally increased plant height.
Observation Final total dry matter per area was greater in Aipin Valenca and Msitu Zanzibar than Amani 4026/16.
Intervention effect Increasing density increased dry matter per area except in Amani 4026/16.
Observation Dry matter per plant was greatest in Msitu Zanzibar, followed by Aipin Valenca and Amani 4026/16.
Intervention effect Dry weight per plant increased as plant density decreased in all three varieties.
Observation Aipin Valenca and Msitu Zanzibar allocated more dry matter to root tubers than Amani 4026/16.
Intervention effect Increasing density generally decreased dry matter allocation to root tubers.
Intervention effect Higher density increased crop growth rate but decreased net assimilation and relative growth rates.
Intervention effect Higher density decreased net assimilation and relative growth rates.
Association Bulking rate was positively related to root tuber yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

An 8-fold nutrient decrease diminished reproductive effort by one-half.

Treatment: 8-fold decrease in nutrient levelse0
Outcome: reproductive efforte0
Direction: diminishede0
Value: one- halfe0

Not reportedTaxonComparator

Verbatim

e0
“an 8-fold decrease in nutrient levels diminished reproductive effort by one- half”
✓ located verbatim in the source · abstract, characters 385–466

Title

The effects of density on resource partitioning in Chamaesyce hirta (Euphorbiaceae)

Terry W. Snell; Derek Burch Spring 1975

Other claims from this paper (5)

Association Density and nutrient availability significantly affected resource allocation.
Intervention effect Increased competition reduced allocation to reproductive tissues.
Intervention effect Reduced nutrients reduced allocation to reproductive tissues.
Intervention effect A 32-fold density increase diminished reproductive effort by one-third.
Association Greater root growth appeared inversely related to reproductive effort.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At the higher density, defoliating alternate plants decreased yield and grain number.

Taxon: MaizeZea mayse0
Treatment: alternate plants were defoliated in the higher densitye1
Outcome: yield and number of grainse1
Direction: decreasee1

Not reportedComparator

Verbatim

e0
“Maize was grown in two densities”
✓ located verbatim in the source · abstract, characters 8–40

e1
“though when alternate plants were defoliated in the higher density there was a substantial decrease in yield and number of grains in defoliated plants, which was largely offset by an increase in adjacent intact plants”
✓ located verbatim in the source · abstract, characters 415–632

Title

Effect of partial defoliation during the vegetative phase on subsequent growth and grain yield of maize

J. C. S. ALLISON; J. H. WILSON; J. H. WILLIAMS Annals of Applied Biology 1975. doi:10.1111/j.1744-7348.1975.tb01652.x

Other claims from this paper (16)

Intervention effect Defoliation decreased grain yield and grain number by 6–17%.
Intervention effect Defoliation on day 51 decreased leaf area by 60–64%.
Intervention effect Subsequent growth in leaf area after defoliation on day 51 was similar to that of untreated plants.
Intervention effect Leaf weight after defoliation on day 51 was nearly as large as in untreated plants.
Intervention effect Increase in stem weight after defoliation was substantially less than in untreated plants.
Intervention effect Untreated and defoliated plots differed by c. 30% in leaf area at flowering.
Intervention effect Increments of dry matter after flowering differed by c. 15% between untreated and defoliated plots.
Observation The fraction of increments entering the grain was c. 90% in both untreated and defoliated plots.
Intervention effect Dry matter increments after flowering with alternate plants defoliated were 93–95 % of those of untreated plots.
Intervention effect Leaf efficiency after flowering was slightly greater in alternate-defoliated plots than in untreated plots.
Intervention effect Alternate plants partly defoliated on day 44 had a subsequent leaf area increase probably 5–16% less than adjacent intact plants.
Observation An increase in adjacent intact plants largely offset the yield and grain number loss at the higher density.
Observation The fraction of the dry matter increment entering the grain was c. 88 % at the small density.
Observation At the large density the fraction entering the grain was 94% in intact plants.
Observation At the large density the fraction entering the grain was 86% in defoliated plants.
Observation Maize plants flowered about 82 days after sowing.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Grain yield was not significantly affected by plant density.

Taxon: TRITICALE AND GLENLEA WHEATt0
Treatment: increased plant densitye0
Outcome: grain yielde0

Not reportedComparatorDirection

Verbatim

e0
“Although grain yield was not significantly affected, 1000-kernel weight, kernel number per spike, and number of fertile spikes per plant exhibited a highly significant linear decrease with increased plant density.”
✓ located verbatim in the source · abstract, characters 446–659

t0
“TRITICALE AND GLENLEA WHEAT”
✓ located verbatim in the source · title, characters 66–93

Title

EFFECT OF PLANT DENSITY ON YIELD, YIELD COMPONENTS AND QUALITY IN TRITICALE AND GLENLEA WHEAT

H. GEBRE-MARIAM; E. N. LARTER Canadian Journal of Plant Science 1979. doi:10.4141/cjps79-106

Other claims from this paper (5)

Observation Glenlea and triticales, and triticale cultivars, differed significantly for all investigated characters.
Intervention effect 1000-kernel weight declined linearly with increased density.
Intervention effect Kernel number per spike declined linearly with increased density.
Intervention effect Fertile spikes per plant declined linearly with increased density.
Intervention effect Protein level and lysine content were not influenced by density.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Similar concentrations of methomyl decreased the density of the mitochondrial matrix in TMS maize mitochondria.

Taxon: maize (Zea mays L.)Zea mayse0
Material: Texas male-sterile (TMS) cytoplasme0
Treatment: methomyle2
Outcome: density of the mitochondrial matrixe2
Direction: a decreasee2

Not reportedComparator

Verbatim

e0
“Mitochondria isolated from etiolated Texas male-sterile (TMS) cytoplasm maize (Zea mays L.) seedlings were adversely affected by methomyl (Lannate, 90 wettable powder), while those isolated from normal-fertile seedlings were not”
✓ located verbatim in the source · abstract, characters 0–228

e2
“Similar concentrations of methomyl effected an inhibition of phosphorylation, an increase in the percentage of transmittance of light through mitochondrial suspensions, and a decrease in the density of the mitochondrial matrix”
✓ located verbatim in the source · abstract, characters 559–785

Title

Mitochondrial Heredity: A Determinant in the Toxic Response of Maize to the Insecticide Methomyl

David E. Koeppe; Julie K. Cox; Carl P. Malone Science 1978. doi:10.1126/science.201.4362.1227

Other claims from this paper (6)

Intervention effect Methomyl adversely affected mitochondria from TMS maize seedlings but not from normal-fertile seedlings.
Intervention effect Methomyl at 1 to 3 mM inhibited the state 4 oxidation rate of combined malate and pyruvate in TMS maize mitochondria.
Intervention effect Methomyl at 1 to 3 mM stimulated the state 4 oxidation rate of succinate or exogenous reduced NADH in TMS maize mitochondria.
Intervention effect Similar concentrations of methomyl inhibited phosphorylation in TMS maize mitochondria.
Intervention effect Similar concentrations of methomyl increased the light transmittance of TMS maize mitochondrial suspensions.
Intervention effect Methomyl at 15 mM had little effect on the physiological activity or ultrastructure of normal-fertile maize mitochondria.

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“decrease in density”

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