Intervention effectmodel-written summary

Drone applied pretilachlor followed by bispyribac sodium significantly reduced weed density against an unweeded plot.

A claim from A comparative study of drone and manual herbicide application for weed management in wet direct-seeded rice (Oryza sativa L.) · 2024

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Drone applied pretilachlor followed by bispyribac sodium significantly reduced weed density against an unweeded plot.

Treatment
application of pretilachlor followed by bispyribac sodium using a drone sprayere0
Interactor
weede0weed
Outcome
weed densitye0
Direction
reducede0
Comparator
unweeded plote0

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

e0

“the application of pretilachlor followed by bispyribac sodium using a drone sprayer significantly reduced weed density and weed dry weight compared to the unweeded plot”

✓ located verbatim in the source · abstract, characters 778–946
t0

“rice (Oryza sativa L.)”

✓ located verbatim in the source · title, characters 103–125

Title

A comparative study of drone and manual herbicide application for weed management in wet direct-seeded rice (Oryza sativa L.)

Vishwajeet Ramesh Avhale; Govindan Senthil Kumar; Gnanasekaran Prabukumar; et al. Plant Science Today 2024. doi:10.14719/pst.4507

Other claims from this paper (6)

Record rev-e57219217c7f194fc35f4ecc42108f6a09f1a4331f440874859e95153d1dfb49 · schema claims-v0.9 · position 1 in the model’s answer

Pretilachlor · weed · Oryza sativa (rice)Results differ

150 papers: 147 positive, 3 negative or no effect

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

  1. positive
    Sequential pretilachlor and bispyribac controlled broad-spectrum weeds.

    Comparative analysis of UAV and electric backpack sprayers for herbicide efficacy and crop-weed nutrient dynamics in direct-seeded rice · 2025

    Same directionCites this paper

  2. negative
    Pretilachlor did not effectively control weeds in dry seeding.

    Integrated Management of Weeds in Direct-Seeded Rice in Cambodia · 2020

    Opposite direction

  3. negative
    Bensulfuron-methyl plus pretilachlor at 60+600 g ha lowered weed number and dry weight at 45 DAT.

    Efficacy of herbicides on weed management in wet season transplanted rice · 2015

    Opposite direction

  4. no effect
    Pretilachlor at 500 g/ha alone gave results comparable to two rounds of hand weeding.

    Optimization of Pretilachlor Dose for Weed Management in Transplanted Rice · 2002 · compared with two rounds of hand weeding

    No difference from an alternative

  5. positive
    Pretilachlor ranked above butachlor and pendimethalin for weed suppression and rice yield.

    Weed management improves yield and quality of direct seeded rice · 2011 · compared with butachlor>pendimethalin

    Same direction

  6. positive
    Pretilachlor + fenclorim 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

  7. positive
    The pretilachlor, bispyribac and hand weeding sequence effectively controlled weeds in direct seeded rice.

    Transforming labor requirement, crop yield, and profitability with precision dry-direct seeding of rice and integrated weed management in Eastern India · 2020

    Same direction

  8. positive
    Pretilachlor followed by Bentazon/MCPA gave effective weed flora control.

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

    Same direction

141 papers more in this group

See all 150 papers →

bispyribac-sodium · weed · Oryza sativa (rice)Positive and negative results

153 papers: 149 positive, 4 negative or no effect

148 papers in the same direction as this claim · 1 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    Sequential pretilachlor and bispyribac controlled broad-spectrum weeds.

    Comparative analysis of UAV and electric backpack sprayers for herbicide efficacy and crop-weed nutrient dynamics in direct-seeded rice · 2025

    Same directionCites this paper

  2. negative
    Bispyribac sodium significantly decreased control efficacy on annual broadleaf weeds.

    Control effect of 40% Bispyribac-sodium SC on weeds in direct seeding rice field · 2014

    Opposite direction

  3. no effect
    Total weed population and dry weight under bispyribac-sodium at 25 g/ha were at par with the higher doses.

    Evaluation of bispyribac-sodium in transplanted rice · 2013 · compared with higher doses of bispyribac-sodium at 35 and 50 g/ha

    No difference from an alternative

  4. no effect
    IET-21214 with bispyribac-sodium had weed control similar to sequential herbicides.

    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

    No difference from an alternative

  5. no effect
    Bispyribac sodium with hand weeding at 40 DAT gave weed density at par with two hand weeding.

    Effect of weed management practices on weed density and yield of transplanted rice · 2019 · compared with two hand weeding

    No difference from an alternative

  6. positive
    Single bispyribac-sodium POST application reduced total weed biomass by 73% compared with the nontreated control.

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

    Same direction

  7. positive
    Bispyribac sodium reduced weed density by 75% relative to control.

    Post emergence chemical weed control in direct seeded fine rice. · 2012 · compared with control

    Same direction

  8. positive
    Postemergence bispyribac-sodium was the most effective herbicide in reducing total weed density and dry weight over the weedy check.

    Application of bispyribac‐sodium provides effective weed control in direct‐planted rice on a sandy loam soil · 2012 · compared with weedy check

    Same direction

144 papers more in this group

See all 153 papers →

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

27 papers: 26 positive, 1 negative or no effect

25 papers in the same direction as this claim · 1 in the opposite direction

  1. no effect
    The additional spray of fenoxaprop plus ethoxysulfuron had no effect on weed biomass at 42 days after planting.

    Weed Growth and Grain Yield, as Affected by Herbicides, in Dry-seeded Rice in Sri Lanka · 2013

    Opposite direction

  2. positive
    Weed infestation was lower with foliar nitrogen application in bed planting than with the conventional method.

    Foliar Spray of Nitrogen Fertilizer on Raised Bed Increases Yield of Transplanted Aman Rice over Conventional Method · 2012 · compared with conventional method

    Same direction

  3. positive
    A foliar spray of sorghum and sunflower water extract at 20 and 40 DAS was effective for weed control.

    Effects of seeding time and weed control methods in direct seeded rice (Oryza sativa L.). · 2014

    Same direction

  4. positive
    The combined transplanting, pretilachlor, mechanical weeding and humic acid treatment significantly reduced weed growth.

    EFFECT OF AGE OF SEEDLINGS, WEED MANAGEMENT PRACTICES AND HUMIC ACID APPLICATION ON SYSTEM OF RICE INTENSIFICATION · 2010

    Same direction

  5. positive
    KS at 500 L/ha and UAV at 25 L/ha reduced weed density and dry matter at 20, 40, and 60 DAT, without a significant difference between them.

    Effect of different herbicide spray volumes on weed control efficiency of a battery-operated Unmanned aerial vehicle sprayer in transplanted rice (Oryza sativa L.) · 2023

    Same direction

  6. positive
    Pre-emergence quinclorac at 375 g ha-1 controlled weeds effectively

    Evaluation of Pre-and Post-emergence Herbicides for their Effects on Weeds and Upland Direct Seeded Rice · 2002

    Same direction

  7. positive
    Sequential pre- and post-emergence herbicides with strip tillage reduced weed density 45%.

    MULCHING AND WEED MANAGEMENT EFFECTS ON THE PERFORMANCE OF RICE (ORYZA SATIVA L.) TRANSPLANTED IN NON-PUDDLED SOIL · 2020

    Same direction

  8. positive
    Pyrazosulfuron at 20 g spray and 25 g spray or sand broadcast reduced weed dry weight.

    Efficacy of Pyrazosulfuron-ethyl against Mixed Weed Flora in Transplanted Rice · 2003 · compared with higher dose i.e. 25 g a.i. ha1

    Same direction

18 papers more in this group

See all 27 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.