Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In an old weedy alfalfa field, yields increased three-fold in the first harvest after treatment.

Taxon: alfalfaMedicago sativae4
Treatment: following treatmente4
Outcome: yields of alfalfae4
Direction: increasede4
Value: three‐folde4
Setting: old weedy alfalfa fielde4

Not reportedComparator

Verbatim

e4
“In an old weedy alfalfa field, yields of alfalfa were increased three‐fold with a 70% decrease in weed composition for the first harvest following treatment”
✓ located verbatim in the source · abstract, characters 1200–1356

Title

Alfalfa Yield Response to a Between‐Cutting Contact Herbicide¹

D. D. Wolf; C. L. Foy Crop Science 1984. doi:10.2135/cropsci1984.0011183x002400040005x

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delaying the initial cut decreased total CP yield from stem elongation onwards.

Taxon: timothy, tall fescue, reed canarygrass and Kentucky bluegrasse0
Treatment: delaying the initial cute3
Outcome: total CP yielde3
Direction: decreasese3
Qualifier: from stem elongation onwardse3

Not reportedComparator

Verbatim

e0
“In vitro dry matter digestibility (IVDMD) values ranged from above 80% down to 45%, with an average rate of decrease during June of 0.74, 0.84, 0.85 and 0.45% per day in timothy, tall fescue, reed canarygrass and Kentucky bluegrass, respectively”
✓ located verbatim in the source · abstract, characters 355–600

e3
“With the exception of reed canarygrass, delaying the initial cut resulted in continued increases in total annual dry matter (DM) yield, significant increases in total IVDMD yield until flowering, and decreases in total CP yield from stem elongation onwards”
✓ located verbatim in the source · abstract, characters 856–1112

Title

EFFECTS OF INITIAL HARVEST DATE ON DRY MATTER YIELD, IN VITRO DRY MATTER DIGESTIBILITY AND PROTEIN IN TIMOTHY, TALL FESCUE, REED CANARYGRASS AND KENTUCKY BLUEGRASS

W. MASON; L. LACHANCE Canadian Journal of Plant Science 1983. doi:10.4141/cjps83-085

Other claims from this paper (17)

Observation Timothy IVDMD decreased on average by 0.74% per day during June.
Observation Tall fescue IVDMD decreased on average by 0.84% per day during June.
Observation Reed canarygrass IVDMD decreased on average by 0.85% per day during June.
Observation Kentucky bluegrass IVDMD decreased on average by 0.45% per day during June.
Observation Timothy crude protein in first-cut forage decreased by 0.47% per day.
Observation Tall fescue crude protein in first-cut forage decreased by 0.40% per day.
Observation Reed canarygrass crude protein in first-cut forage decreased by 0.39% per day.
Observation Kentucky bluegrass crude protein in first-cut forage decreased by 0.28% per day.
Observation Regrowth forage in midsummer and fall harvests averaged 63 to 59% IVDMD.
Observation Regrowth forage in midsummer and fall harvests averaged 16 to 20% CP.
Intervention effect Delaying the initial cut continued to increase total annual dry matter yield, except in reed canarygrass.
Intervention effect Delaying the initial cut significantly increased total IVDMD yield until flowering.
Observation Reed canarygrass reached its optimum CP yield at early heading.
Observation Reed canarygrass had significant increases in IVDMD yield until the flowering stage.
Intervention effect Harvesting all forages at the stem elongation stage substantially reduced yield of DM, IVDMD and CP.
Observation Most of the DM was obtained in the initial harvest.
Observation Almost half of the total CP was obtained in the final harvest.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Compaction remained evident in postharvest soil through increased bulk density.

Taxon: groundnutArachis hypogaeat0
Outcome: bulk densitye0
Direction: increasee0
Qualifier: post‐harvest soilse0

Verbatim

e0
“The effect of compaction was seen at the post‐harvest soils also, in that the increase in bulk density, decrease in hydraulic conductivity were observed.”
✓ located verbatim in the source · abstract, characters 695–848

t0
“groundnut”
✓ located after whitespace/quote normalisation · title, characters 75–84

Title

Effect of Ten Successive Rollings on Soil Physical Properties and Yield of Groundnut (var. TMV 3) in a Very Permeable Sandy Soil in Southern India

R. Natesan; K. K. Mathan; B. Rajkannan Journal of Agronomy and Crop Science 1989. doi:10.1111/j.1439-037x.1989.tb00772.x

Other claims from this paper (6)

Intervention effect Rolling increased soil bulk density from 1.50 to 1.63 g/cc in the 20–30 cm layer.
Intervention effect Rolling reduced hydraulic conductivity in the 20–30 cm soil layer.
Intervention effect Rolling increased soil moisture retention by 51.5 per cent over control in the 30–40 cm layer.
Intervention effect Rolling increased final dry pod yield by 19 per cent over control.
Observation Compaction remained evident in postharvest soil through decreased hydraulic conductivity.
Observation The soil variations were most effective at 10–20 cm depth.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Higher defoliation levels increased dry weight accumulation in cucumber leaves.

Taxon: cucumberCucumis sativuse1
Treatment: level of defoliatione0
Outcome: accumulation of dry weight in the leavese0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“An increase in the level of defoliation caused an increase in accumulation of dry weight in the leaves and a decrease in the dry weight of the fruits”
✓ located verbatim in the source · abstract, characters 748–897

e1
“cucumber ( Cucumis sativus L.)”
✓ located verbatim in the source · abstract, characters 45–75

Title

Source Limitation by Defoliation and Its Effect on Dry Matter Production and Yield of Cucumber

Denis R. Ramirez; Todd C. Wehner; Conrad H. Miller HortScience 1988. doi:10.21273/hortsci.23.4.704

Other claims from this paper (7)

Intervention effect Defoliation significantly decreased total plant weight in cucumber relative to the fruited control.
Intervention effect Defoliation significantly decreased fresh and dry weight of the fruits in cucumber relative to the fruited control.
Intervention effect Higher defoliation levels decreased dry weight of cucumber fruits.
Intervention effect Defoliation of 50% or 75% was followed by an increase in carbon exchange rates measured 7 days after defoliation.
Observation Vegetative controls had equal plant dry weight to the fruited controls.
Observation Vegetative controls had only half as much fresh weight as the fruited controls.
Intervention effect Carbon exchange rate was significantly reduced in defruited compared with fruited plants 16 days after defoliation.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Once main-stem leaves had contributed to structural development, their contribution to cotton productivity diminished rapidly

Taxon: cottonGossypium hirsutume0
Treatment: Once the main‐stem leaves had contributed to structural developmente7
Outcome: contribution to plant productivitye7
Direction: decreaseinferrede7

Verbatim

e0
“management of cotton ( Gossypium hirsutum L.) crops”
✓ located verbatim in the source · abstract, characters 140–191

e7
“Once the main‐stem leaves had contributed to structural development, their contribution to plant productivity appeared to diminish rapidly”
✓ located verbatim in the source · abstract, characters 1217–1355

Title

Cotton Main‐Stem Leaves in Relation to Vegetative Development and Yield

D. M. Oosterhuis; M. J. Urwiler Agronomy Journal 1988. doi:10.2134/agronj1988.00021962008000010014x

Other claims from this paper (7)

Intervention effect Removing main-stem leaves as they appeared decreased cotton plant growth and yield compared with no leaf removal
Intervention effect Removing main-stem leaves after they had expanded had a less severe effect on cotton yield than early removal
Intervention effect Removing main-stem leaves after they had expanded still had a large effect on cotton plant height
Intervention effect Leaf removal after the sympodial branch developed had no significant effect on cotton height or yield
Intervention effect Removing monopodial branches had no effect on cotton yield or plant height
Mechanism Main-stem leaves contribute to the structural development that gives cotton an adequate framework for optimum yield
Association The earlier main-stem leaves were removed, the more drastically cotton growth and yield decreased

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Meloidogyne attack reduced stand, tillering and panicle numbers.

Taxon: upland rice cultivarsOryza sativat0
Interactor: MeloidogyneMeloidogynee0pest
Outcome: stand, reduced tillering and panicle numberse0
Direction: reducede0

Verbatim

e0
“Symptoms of Meloidogyne attack include root galls (mostly terminal) consecutive with stopped longitudinal growth (characteristic roo ts), reduced stand, reduced tillering and panicle numbers as well as reduced general top growth with or without chlorosis and yield decrease.”
✓ located verbatim in the source · abstract, characters 1217–1491

t0
“upland rice cultivars”
✓ located verbatim in the source · title, characters 12–33

Title

Response of upland rice cultivars to Meloidogyne species

Mamadou Diomandé Revue de nématologie 1984

Other claims from this paper (13)

Observation O. sativa cultivars were generally susceptible to Meloidogyne.
Observation O. glaberrirna cultivars were generally resistant.
Observation IRAT 13 was susceptible.
Observation Iguape Cateto was susceptible.
Observation IS 335 was fairly resistant.
Observation IS 358 was fairly resistant.
Observation Most improved cultivars were highly tolerant.
Observation Most traditional cultivars were susceptible.
Observation Susceptible cultivars favored nematode larval penetration, adult development and reproduction relative to resistant or tolerant ones.
Intervention effect DBCP and fertilizer raised Iguape Cateto field yield by up to 435% over control.
Intervention effect No fertilizer response occurred under high M. javanica populations.
Observation Meloidogyne attack caused root galls and stopped longitudinal root growth.
Observation Meloidogyne attack reduced top growth and yield.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Value reductions in Florigiant and NC 8C were $270 to $290/ha in 1982 for each 10% CBR incidence.

Taxon: PeanutArachis hypogaeat0
Material: Florigiant and NC 8Ce3
Interactor: CylindrocladiumCalonectriae2pathogen
Outcome: value reductionse3
Direction: decreaseinferrede3
Value: $270 to $290/hae4
Qualifier: in 1982e4

Verbatim

t0
“Peanut Yield”
✓ located verbatim in the source · title, characters 0–12

e3
“value reductions for Florigiant and NC 8C were from $170 to $190/ha in 1980 and 1981”
✓ located verbatim in the source · abstract, characters 730–814

e4
“from $270 to $290/ha in 1982 for each 10% CBR incidence”
✓ located verbatim in the source · abstract, characters 819–874

e2
“The effects of Cylindrocladium black rot (CBR) of peanut (Arachis hypogaea L.)”
✓ located verbatim in the source · abstract, characters 9–87

Title

Peanut Yield, Market Quality and Value Reductions Due to Cylindrocladium Black Rot1,2

J. K. Pataky; M. K. Beute; J. C. Wynne; et al. Peanut Science 1983. doi:10.3146/i0095-3679-10-2-5

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Reservoir bottom sediment elevated somatic mutation frequencies in Tradescantia stamen hairs

Taxon: TradescantiaTradescantiae0
Treatment: bottom sediment of an earthen water reservoire0
Outcome: somatic mutation frequenciese0
Direction: elevatede0

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

In one cross selection for grain weight substantially reduced grain number per ear.

Taxon: wheatTriticum aestivumt0
Treatment: selection for weight per graine1
Outcome: grain number per eare0
Direction: reductione0
Qualifier: in one crosse0

Not reportedComparator

Verbatim

e0
“in one cross there was a decrease in the yield per plant, resulting from a substantial reduction in grain number per ear”
✓ located verbatim in the source · abstract, characters 322–442

e1
“selection for weight per grain”
✓ located verbatim in the source · abstract, characters 254–284

t0
“wheat”
✓ located verbatim in the source · title, characters 32–37

Title

Early generation selection in 2 wheat crosses 1. F ₂ single plant selection

M. A. Islam; A.G. Fautrier; R. H. M. Langer New Zealand Journal of Agricultural Research 1985. doi:10.1080/00288233.1985.10430433

Other claims from this paper (5)

Observation Yield components had higher heritability than grain yield per plant.
Intervention effect F2 selection for grain number per spikelet and ear increased F3 yield per plant.
Intervention effect Selection for grain weight improved that component in F3.
Intervention effect In one cross selection for grain weight decreased yield per plant.
Intervention effect Selection for yield per plant gave no appreciable response.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Late 2,4-D application reduced purity by as much as 54%.

Taxon: SugarbeetBeta vulgaris subsp. vulgarist0
Organ / stage: later growth stagese0
Treatment: 2,4-De0
Outcome: puritye0
Direction: decreasede0
Value: as much as 54%e0

Not reportedComparator

Verbatim

e0
“When applied at early growth stages 2,4-D tended to decrease root yield but decreased purity and extractable sucrose content by as much as 54% when applied at later growth stages.”
✓ located verbatim in the source · abstract, characters 213–392

t0
“Sugarbeet”
✓ located verbatim in the source · title, characters 0–9

Title

Sugarbeet (Beta vulgarisL.) Response to Simulated Herbicide Spray Drift

Galen L. Schroeder; Darrell F. Cole; Alan G. Dexter Weed Science 1983. doi:10.1017/s004317450007082x

Other claims from this paper (12)

Intervention effect Early 2,4-D application tended to lower root yield.
Intervention effect Late 2,4-D application reduced extractable sucrose content by as much as 54%.
Intervention effect Dicamba reduced extractable sucrose per hectare.
Intervention effect 2,4-D reduced extractable sucrose per hectare.
Intervention effect Dicamba tended to reduce harvest root yield.
Intervention effect 2,4-D tended to reduce harvest root yield.
Intervention effect Picloram did not significantly reduce harvest root yield relative to control.
Intervention effect Picloram did not significantly reduce harvest sucrose content relative to control.
Intervention effect All tested 2,4-D rates increased sucrose losses in storage.
Intervention effect Dicamba caused comparable storage losses.
Intervention effect Picloram caused comparable storage losses.
Recommendation The authors recommend immediate processing after inadvertent herbicide drift exposure.

“yield decrease”

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