Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher manganese and boron concentrations were associated with decrease in barley yield.

Taxon: BarleyHordeum vulgaree1
Treatment: manganese and boron coucentrationse0
Outcome: yielde0
Direction: decreasee0

Verbatim

e0
“A decrease in yield and an increase in spotting were found to be associated with an increase in the manganese and boron coucentrations of the solutions”
✓ located verbatim in the source · abstract, characters 336–487

e1
“Barley plants grown in standard Hoagland solutions”
✓ located verbatim in the source · abstract, characters 177–227

Title

Manganese and Boron Toxicities in Standard Culture Solutions1

D. Emerton Williams; James Vlamis Soil Science Society of America Journal 1957. doi:10.2136/sssaj1957.03615995002100020018x

Other claims from this paper (19)

Observation Recommended manganese and boron concentrations were toxic to barley.
Observation Recommended manganese and boron concentrations were slightly toxic to lettuce.
Observation Recommended manganese and boron concentrations were non-toxic to tomato plants.
Observation Barley in standard Hoagland solution developed dark brown older-leaf spots.
Association Higher manganese and boron concentrations were associated with increase in barley spotting.
Association Barley leaf manganese content correlated with toxicity symptoms.
Intervention effect Decreasing the manganese concentration repressed or prevented barley manganese spots.
Intervention effect increasing the macro-salt concentration repressed or prevented barley manganese spots.
Intervention effect adding sodium silicate repressed or prevented barley manganese spots.
Intervention effect Supplemental calcium salts reduced barley leaf manganese.
Intervention effect Supplemental magnesium salts reduced barley leaf manganese.
Intervention effect Supplemental potassium salts reduced barley leaf manganese.
Intervention effect Silicon repressed barley manganese toxicity symptoms.
Intervention effect Silicon had no effect on barley leaf manganese content.
Intervention effect Reducing the boron concentration eliminated boron spotting in barley.
Intervention effect increasing the macro-salt concentration eliminated boron spotting in barley.
Intervention effect Added silicon slightly reduced barley boron necrosis.
Observation Winter-grown barley tolerated higher manganese before toxicity symptoms than summer-grown plants.
Observation Winter-grown barley tolerated higher boron concentrations before toxicity symptoms than summer-grown plants.

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Yield is inferred to decrease by ten to thirty per cent in the disease.

Taxon: RiceOryza sativat0
Interactor: Aphelenchoides oryzaeAphelenchoides oryzaee1pathogen
Outcome: yielde2
Direction: decreasee2
Value: Ten to thirty per cente2
Qualifier: inferrede2

Verbatim

t0
“A Rice Nematode Disease "Senchu Shingare Byo" : Ⅰ. Symptom and Pathogenic Nematode”
✓ located verbatim in the source · title, characters 0–82

e2
“Ten to thirty per cent decrease in yield is inferred”
✓ located verbatim in the source · abstract, characters 1094–1146

e1
“The causal nematode, Aphelenchoides oryzae Yokoo, is characteristic in having star shaped, trifurcated mucro at its tail end”
✓ located verbatim in the source · abstract, characters 1218–1342

Title

A Rice Nematode Disease "Senchu Shingare Byo" : Ⅰ. Symptom and Pathogenic Nematode

Hazime Yoshii; Shigeo Yamamoto Journal of the Faculty of Agriculture Kyushu University 1950. doi:10.5109/22625

Other claims from this paper (16)

Observation Bleached-tip symptoms appear on rice after the beginning of elongation growth in upland and watered fields.
Observation The leaf tip of about 2 to 5 cm becomes pale yellowish green to white or transparent.
Observation The discolored part later becomes brownish and is torn off.
Observation Affected leaves are considerably shortened and usually twisted at the apical portion.
Observation Leaves with bleached-tips or white-tips are commonly situated alternately on a stem.
Observation Sometimes the bleached-tip symptoms are invisible on the whole leaves of affected plants.
Observation In paddy fields in Kyushu, about three times as many stems are affected by the pathogen as show white tips.
Observation Affected plants are usually stunted.
Observation Affected plants have many tillers with dark green colored leaves.
Observation Tillers from higher nodes are often observed on affected plants.
Association The ear length of affected plants is reduced.
Observation Unhulled grain of affected plants becomes slender.
Association The percentage of fragmental grain is increased on affected plants.
Observation The disease spreads widely in Japan, from Hokkaido to Kyushu.
Observation The causal nematode Aphelenchoides oryzae has a star-shaped, trifurcated mucro at its tail end.
Observation The tail end of the male nematode bends when killed by heat.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Seed yield per plant declined with the decrease in fertile tiller numbers.

Taxon: timothyPhleum pratensee0
Material: S.48e0
Organ / stage: fertile tiller numberse6
Outcome: Seed yield per plante6
Direction: declinede6

Verbatim

e0
“spaced plants of S.48 timothy”
✓ located verbatim in the source · abstract, characters 39–68

e6
“Seed yield per plant declined with the decrease in fertile tiller numbers, but after the early cuts some compensation by production of slightly more seed per ear was recorded”
✓ located verbatim in the source · abstract, characters 768–942

Title

THE EFFECT OF TIME OF CUTTING ON EAR PRODUCTION AND SEED YIELD IN S.48 TIMOTHY

R. H. M. Langer Grass and Forage Science 1957. doi:10.1111/j.1365-2494.1957.tb00097.x

Other claims from this paper (9)

Association Plant and unit tiller weight increased throughout the season in the herbage removed at each cut.
Association The number of tillers declined, especially before shooting began.
Intervention effect Cutting up to 5 May did not affect the date of ear emergence.
Intervention effect Plants cut on 19 May had a slightly delayed date of ear emergence.
Intervention effect Plants treated subsequently flowered much later.
Observation The interval following defoliation before flowering was fairly constant.
Intervention effect Cutting on and after 7 April depressed fertile tiller formation with increasing severity.
Observation Only vegetative tillers appeared in the recovery growth after treatment at the beginning of August.
Association After the early cuts, seed per ear was slightly higher, a partial compensation for fewer fertile tillers.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Plant tissue calcium content decreased with decreased yield.

Taxon: Alfalfa and CottonGossypium hirsutum Medicago sativat0
Organ / stage: plant tissuese0
Outcome: calcium contente0
Direction: decreasee0
Qualifier: decreased yieldse0

Verbatim

e0
“Associated with decreased yields of the plants tested was an increase in the sodium content and a corresponding decrease in the calcium content of the plant tissues.”
✓ located verbatim in the source · abstract, characters 1216–1381

t0
“Alfalfa and Cotton”
✓ located verbatim in the source · title, characters 85–103

Title

Effect of Exchangeable Sodium on Soil Properties and on Growth and Cation Content of Alfalfa and Cotton

C. W. Chang; H. E. Dregne Soil Science Society of America Journal 1955. doi:10.2136/sssaj1955.03615995001900010007x

Other claims from this paper (6)

Intervention effect Alfalfa yield declined beginning around 35% sodium saturation.
Intervention effect Cotton yield declined beginning around 35% sodium saturation.
Intervention effect Synthetic soil conditioner increased alfalfa growth at harmful sodium levels.
Intervention effect Synthetic soil conditioner had no appreciable effect on cotton growth.
Association Plant tissue sodium content increased with decreased yield.
Observation Lower alfalfa leaves reddened and their petioles collapsed, indicating proposed sodium induced calcium deficiency.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Dry matter yield fell with monthly precipitation.

Taxon: Pennisetum purpureum SchumCenchrus purpureust0
Outcome: drymatter yieldse0
Direction: decreaseinferrede0
Qualifier: degree of monthly precipitatione0
Comparator: green fodder yieldse0

Not reportedSetting

Verbatim

e0
“green fodder yields were directly, drymatter yields were inversely, related to the degree of monthly precipitation”
✓ located verbatim in the source · abstract, characters 2977–3091

t0
“Pennisetum purpureum Schum.”
✓ located verbatim in the source · title, characters 95–122

Title

Effect of frequency of cutting on the yield and composition of some fodder grasses in Nigeria (Pennisetum purpureum Schum.)

V. A. Oyenuga The Journal of Agricultural Science 1959. doi:10.1017/s0021859600030884

Other claims from this paper (18)

Intervention effect Twelve-week cutting yielded 52·9 tons of green fodder per acre over 11 months.
Intervention effect Twelve-week cutting produced 1·8 times as much green fodder as three-week cutting.
Intervention effect Twelve-week cutting produced 1-4 times as much fodder as six- and eight-week cutting.
Association Dry matter percentage rose with longer cutting intervals.
Observation Dry matter yield differences among intervals were more pronounced than green fodder yield differences.
Intervention effect Six- or eight-week cutting gave higher dry matter yield than three-week cutting.
Intervention effect Twelve-week cutting gave higher dry matter yield than other intervals.
Intervention effect Eight- versus six-week dry matter yield differences were not significant.
Association Green fodder and dry matter yields declined with successive cuttings, particularly with frequent cutting.
Observation Stems matured more rapidly than leaves after more than three weeks of growth.
Association Crude protein and silica-free ash percentages fell with longer cutting intervals.
Association Dry matter, crude fibre, and nitrogen-free extract percentages rose with longer cutting intervals.
Recommendation Three-week cutting is recommended for maximum protein and ash yield.
Recommendation Twelve-week cutting is recommended for maximum total nutrients and carbohydrates.
Recommendation Six- and eight-week cutting was judged unprofitable for either nutrient goal.
Association Green fodder yield rose with monthly precipitation.
Association Crude protein and silica-free ash percentages varied directly with rainfall.
Association Nitrogen-free extract and crude fibre percentages varied inversely with rainfall.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

More clover root borers were associated with lower red clover foliage weight after accounting for crown diameter.

Taxon: Red CloverTrifolium pratenset0
Interactor: Hylastinus obscurusHylastinus obscuruse1pest
Outcome: foliage weighte0
Direction: decreasee0
Qualifier: independent of crown diametere0

Verbatim

e0
“Regression of foliage weight on borers, independent of crown diameter, showed an increase in number of borers to result in a decrease in foliage weight.”
✓ located verbatim in the source · abstract, characters 422–574

e1
“clover root borer, Hylastinus obscurus (Marsham)”
✓ located verbatim in the source · abstract, characters 65–113

t0
“Red Clover”
✓ located verbatim in the source · title, characters 14–24

Title

Estimation of Red Clover Yield Losses Caused by the Clover Root Borer

K. P Pruess; C. R Weaver Journal of Economic Entomology 1958. doi:10.1093/jee/51.4.491

Other claims from this paper (3)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Quinine ring content tended to decline with age after peaking in year six.

Taxon: Cinchona ledgerianaCinchona calisayat0
Organ / stage: dry barke0
Outcome: ring content of quininee0
Direction: decreasee0
Qualifier: after reaching a maximum in the sixth yeare0

Verbatim

e0
“The ring content of quinine (pure quinine in dry bark from samples cut 1 m. above the ground) showed a slight tendency to decrease with age, after reaching a maximum in the sixth year”
✓ located verbatim in the source · abstract, characters 1093–1276

t0
“Cinchona ledgeriana”
✓ located verbatim in the source · title, characters 51–70

Title

The effect of spacing and thinning on the yield of Cinchona ledgeriana.

K. Ebes Netherlands Journal of Agricultural Science 1953. doi:10.18174/njas.v1i1.17887

Other claims from this paper (9)

Observation Clone Tjib. 5 produced about 20% more than Tjin. 1.
Intervention effect Intermediate planting densities yielded less than the widest and closest densities.
Observation Yield differences across very different spacings were relatively small.
Intervention effect The densest stands had the greatest average quinine sulfate production.
Association Tree height was practically independent of spacing.
Association Tree girth was a function of spacing.
Intervention effect Close spacing produced slender trees and thin bark.
Intervention effect Relative bark thickness was not thinner under close spacing.
Recommendation Regular thinning and fertilization with close spacing was recommended for highest yield.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Plant tissue sodium content increased with decreased yield.

Taxon: Alfalfa and CottonGossypium hirsutum Medicago sativat0
Organ / stage: plant tissuese0
Outcome: sodium contente0
Direction: increasee0
Qualifier: decreased yieldse0

Verbatim

e0
“Associated with decreased yields of the plants tested was an increase in the sodium content and a corresponding decrease in the calcium content of the plant tissues.”
✓ located verbatim in the source · abstract, characters 1216–1381

t0
“Alfalfa and Cotton”
✓ located verbatim in the source · title, characters 85–103

Title

Effect of Exchangeable Sodium on Soil Properties and on Growth and Cation Content of Alfalfa and Cotton

C. W. Chang; H. E. Dregne Soil Science Society of America Journal 1955. doi:10.2136/sssaj1955.03615995001900010007x

Other claims from this paper (6)

Intervention effect Alfalfa yield declined beginning around 35% sodium saturation.
Intervention effect Cotton yield declined beginning around 35% sodium saturation.
Intervention effect Synthetic soil conditioner increased alfalfa growth at harmful sodium levels.
Intervention effect Synthetic soil conditioner had no appreciable effect on cotton growth.
Association Plant tissue calcium content decreased with decreased yield.
Observation Lower alfalfa leaves reddened and their petioles collapsed, indicating proposed sodium induced calcium deficiency.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Fujisaka No. 5 yielded about 1,000 kg per hectare less in upland fields.

Taxon: paddy ricee0
Outcome: hulled rice yielde0
Direction: lowere0
Value: 1, 000 kg. per hectaree0
Comparator: paddy field conditione0

Verbatim

e0
“hulled rice yield of paddy rice was about 1, 000 kg. per hectare lower, representing an decrease of 22 per cent on the basis of the yield under paddy field condition”
✓ located verbatim in the source · abstract, characters 1965–2130

Title

Comparison of the Growth and Yield of Paddy-and Upland-Rice grown under Paddy-and Upland -Field Conditions

Shin'ichi HASEGAWA; Kanenori NAKAYAMA Japanese Journal of Crop Science 1959. doi:10.1626/jcs.27.354

Other claims from this paper (11)

Association Ear and grain numbers were greater in upland than paddy fields.
Association Ripened grain percentage and kernel weight were greater in paddy fields.
Association The pre-heading carbohydrate contribution was higher in upland fields.
Association Post-heading carbohydrate contribution was higher in paddy fields.
Association Upland rice yield in upland fields matched its yield in paddy fields.
Association Fujisaka No. 5 had higher post-heading photosynthesis than upland varieties.
Association Fujisaka No. 5 yield was about 11 per cent higher in paddy fields.
Intervention effect High nitrogen reduced post-heading photosynthetic ability in both rice types, especially upland rice.
Intervention effect Irrigation increased carbohydrates stored before and accumulated after heading.
Intervention effect Irrigation markedly reduced non-reducing sugar.
Association Fujisaka No. 5 grew less than upland varieties in both field conditions.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Apparent sugar yield per unit area peaked at 3, 300 hills per unit area and decreased markedly above it.

Taxon: Saccharum sinenseSaccharum sinensee1
Treatment: 3, 300 hills per unit areae0
Outcome: apparent sugar yield per unit areae0
Direction: maximume0
Value: 3, 300 hills per unit areae0

Verbatim

e0
“The apparent sugar yield per unit area reaches its maximum at the rate of 3, 300 hills per unit area, and even so, it is revealed that a striking decrease in sugar yield will arise, if more hills than that are planted to the sane area.”
✓ located verbatim in the source · abstract, characters 3366–3601

e1
“Tekcha, Saccharum sinense”
✓ located verbatim in the source · abstract, characters 158–183

Title

On the Spacing Problem in Sugar-cane.

Hiroki ARIKADO Japanese Journal of Crop Science 1952. doi:10.1626/jcs.21.136

Other claims from this paper (19)

“yield decrease”

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