Intervention effectmodel-written summary

The pendimethalin, rice-dhaincha and 2,4-D combination gave significantly the lowest weed biomass at 55 DAS.

A claim from Influence of nitrogen levels and weed management practices on productivity of rice under aerobic conditions · 2013

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The pendimethalin, rice-dhaincha and 2,4-D combination gave significantly the lowest weed biomass at 55 DAS.

Treatment
pendimethalin @ 1.0 kg a.i. ha-1at 2 DAS + rice : dhaincha (1:1) + 2,4-D Na salt @ 0.8 kg a.i. ha-1 at 25 DASe4
Interactor
Weede4weed
Outcome
weed biomasse4
Direction
loweste4
Comparator
other weed control treatmentse4

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e4

“Weed dry weight was recorded at 55 DAS shows that application of pendimethalin @ 1.0 kg a.i. ha-1at 2 DAS + rice : dhaincha (1:1) + 2,4-D Na salt @ 0.8 kg a.i. ha-1 at 25 DAS recorded significantly lowest weed biomass as compared to other weed control treatments”

✓ located verbatim in the source · abstract, characters 783–1045

Title

Influence of nitrogen levels and weed management practices on productivity of rice under aerobic conditions

Chandra Prakash; N.R. Koli; R. K. Shivran; et al. Annals of Agricultural Research 2013

Other claims from this paper (8)

Record rev-3019e9ef52a2ca75ae81344abdc61fe907e0a907056b0edd43137c69689d1972 · schema claims-v0.9 · position 9 in the model’s answer

2,4-D · weed · Oryza sativa (rice)Results differ

49 papers: 47 positive, 2 negative or no effect

46 papers in the same direction as this claim · 1 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    2, 4-D did not reduce weed density and dry weight considerably in rice.

    Effect of Weed Control Methods on Growth and Yield of Unpuddled Rice1 · 1984

    Opposite direction

  2. no effect
    Anilofos+2,4-D readymix was equally good as hand weeding twice for reduction in weed population and dry weight in both years.

    Efficacy of Herbicides Applied Alone and in Combinations against Weeds in Transplanted Rice · 1999 · compared with Hand weeding twice

    No difference from an alternative

  3. positive
    2,4-D in water seeding effectively controlled weeds in rice

    INCREASING WATER PRODUCTIVITY AND WEED SUPPRESSION OF WET SEEDED RICE: EFFECT OF WATER MANAGEMENT AND RICE GENOTYPES · 2000

    Same direction

  4. positive
    Rice–Sesbania coculture followed by herbicides reduced total weed population by 65.1% at 30 DAS.

    An integrated approach to weed management practices in direct-seeded rice under zero-tilled rice–wheat cropping system · 2016

    Same direction

  5. positive
    Pendimethalin followed by 2, 4-D gave the highest grain yield and weed control efficiency.

    Effect of Herbicides Alone and in Combination on Direct Seeded Rice · 2005

    Same direction

  6. positive
    Pretilachlor followed by 2,4-D minimized weed density and dry weight.

    Influence of crop establishment methods and weed management practices on yield and economics of direct-seeded rice (Oryza sativa) · 2001

    Same direction

  7. positive
    A pendimethalin programme followed by post-emergence herbicides gave effective weed control and higher rice yield.

    Control of Complex Weed Flora of Dry-seeded Rice (Oryza sativa L.) with Pre- and Post-emergence Herbicides · 2008

    Same direction

  8. positive
    The 2008 integrated herbicide program significantly reduced weed dry matter relative to pendimethalin alone.

    Bioefficacy of pre- and post-emergence herbicides in direct-seeded rice in Central Punjab · 2012 · compared with alone application of pendimethalin 0.75 kg/ha

    Same direction

40 papers more in this group

See all 49 papers →

pendimethalin · weed · Oryza sativa (rice)Positive and negative results

128 papers: 125 positive, 3 negative or no effect

124 papers in the same direction as this claim · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Pendimethalin and acetachlor plus bensulfuraonmethyl were ineffective for broadleaf weed control.

    Performance of Different Herbicides in Dry-Seeded Rice in Bangladesh · 2014

    Opposite direction

  2. negative
    Pendimethalin alone (T2) gave the maximum weed index (36.39%).

    Herbicide combinations for weed control in direct-seeded rice · 2020

    Opposite direction

  3. no effect
    PR-115 in paired rows with pendimethalin had weed biomass of 10.7 g m −2, similar to sequential herbicides in uniform rows.

    Integrated Weed Management Using Planting Pattern, Cultivar, and Herbicide in Dry-Seeded Rice in Northwest India · 2014 · compared with sequential application of pendimethalin and bispyribac-sodium coupled with uniform rows

    No difference from an alternative

  4. positive
    Single pendimethalin PRE application reduced total weed biomass by 75% compared with the nontreated control.

    Herbicide Options for Weed Control in Dry-Seeded Aromatic Rice in India · 2013 · compared with nontreated control

    Same direction

  5. positive
    Rice–Sesbania coculture followed by herbicides reduced total weed population by 65.1% at 30 DAS.

    An integrated approach to weed management practices in direct-seeded rice under zero-tilled rice–wheat cropping system · 2016

    Same direction

  6. positive
    Pendimethalin followed by Bentazon/MCPA gave effective weed flora control.

    Response of weed flora to different herbicides in aerobic rice system · 2012

    Same direction

  7. positive
    Increasing pendimethalin dose decreased weed density and dry weight at 60 days.

    Effect of Herbicides Alone and in Combination on Direct Seeded Rice · 2005

    Same direction

  8. positive
    A pendimethalin programme followed by post-emergence herbicides gave effective weed control and higher rice yield.

    Control of Complex Weed Flora of Dry-seeded Rice (Oryza sativa L.) with Pre- and Post-emergence Herbicides · 2008

    Same direction

119 papers more in this group

See all 128 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.