application · Weed · Oryza sativa (rice)

Comparative Efficiency of Herbicides in Rice (Var. IR. 20) Under Different Methods of Planting · 1974

• positive
  Pre-emergence butachlor at 2.0 kg ai/ha followed by post-emergence propanil at 3.5 lit a.i./ha gave the best and economical weed control in rice under direct-sown and transplanted conditions.

Effect of Propanil on Weed Growth and Yield of IR 20 Rice Under Different Seeding Methods and Rates · 1974

• positive
  Double propanil sprays reduced weeds by 76 percent and approached two hand weedings.

  compared with two hand weedings

Dual cropping of rice (Oryza sativa) and green manure crops A cost effective management alternative for direct seeded semi-dry system of rice cultivation · 2001

• positive
  Cowpea can be effectively incorporated into rice by spraying 2,4-D, with effective weed control.

Effect of weed management in rice (Oryza sativa) and its carryover effect on succeeding blackgram (Phaseolus mungo) crop · 2001

• positive
  The glyphosate plus oxyflourfen and handweeding program reduced rice weed population more than the analogous program without glyphosate.

  compared with treatments without glyphosate

• positive
  That glyphosate, oxyflourfen and handweeding program reduced rice weed dry weight relative to programs without glyphosate.

  compared with treatments without glyphosate

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

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

Efficacy of Pyrazosulfuron-ethyl against Mixed Weed Flora in Transplanted Rice · 2003

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

  compared with higher dose i.e. 25 g a.i. ha1

Weed Control in Broadcast Rice: Effectiveness of fenoxaprop-p-ethyl and 2,4-D Mixture · 2006

• positive
  Irrigation at 3 and 6 days after spraying controlled weeds better than irrigation at 9 days.

  compared with 9 days after herbicide spraying

A Preliminarily Report on the Simplified Water-saving and High-efficiency Cultivation Technology in Rice · 2008

• positive
  Spraying seedlings with Hanchu 1 and MCPA at the 5～6 leaf stage and tillering stage could better control weeds in the field.

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

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

Chemical Weed-control Technique in Machine-transplanted Fields of Single Late Rice · 2011

• positive
  Spraying the butachlor plus bensulfuron methyl mixture and acetochlor-bensulfuron-methyl on the 3rd day after machine-transplanting gave significantly higher control of total weed fresh weight than spraying on the 7th day, 50 days after transplanting.

  compared with 7th day after machine-transplanted

Effect of Weed Management Practices on Growth and Yield of Rice (Oryza sativa L.) under Transplanted Lowland · 2012

• positive
  The herbicide sequence produced least weed density of 81.32 m -2.
• positive
  The herbicide sequence produced least weed biomass of 30.68 m-2.
• positive
  The herbicide sequence produced maximum weed control efficiency of 76.68%.

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

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

  compared with conventional method

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

• positive
  A foliar spray of sorghum and sunflower water extract at 20 and 40 DAS was effective for weed control.
• negative
  The sorghum and sunflower extract spray and sorghum mulch were less effective for weed control than penoxsulam, bispyribac-sodium and hand-hoeing.

  compared with penoxsulam, bispyribac-sodium, and / or hand-hoeing treatments

Role of the Elicitor Compound Methyl Salicylate in Enhancing Allelopathic Potential of Rice for Sustainable Weed Management · 2015

• positive
  Foliar spraying of rice with 0.2 mM MeSA gave the highest inhibition of weed dry weight across all genotypes.

  compared with different concentration

Testing the efficacy of the herbicide tolerant rice mutant (Robin) under direct seeded cultivation · 2020

• positive
  Imazethapyr spraying reduced weed dry weight relative to control.

  compared with control plot

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

• positive
  Sequential pre- and post-emergence herbicides with strip tillage reduced weed biomass 70%.
• positive
  Sequential pre- and post-emergence herbicides with strip tillage reduced weed density 45%.

Weed density and productivity of dry direct seeded rice in relation to weed management practices and seedbed preparation methods · 2020

• positive
  Pendimethalin followed by bispyribac sodium and ethoxysulfuron had low weed density and dry matter.

Enhancing herbicide efficacy with improved spray technology adoption in rice-wheat cropping system · 2023

• positive
  Improved spray technology enhanced weed control by 93% in dry-seeded rice versus farmer practice.

  compared with farmer’s practice

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

• 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.

Impact of different herbicide spray fluids applied using drones on nutrient removal by weeds in transplanted rice · 2024

• positive
  A spray fluid of 37.5 L per ha lowered nutrient removal by weeds.

Impact of ready-mix herbicides on weed growth and yield of aerobic rice under trickle irrigation · 2024

• positive
  The same herbicide and hand-weeding treatment gave the lowest weed density at 40 DAS, 4.3 No./m2.
• positive
  The treatment gave the lowest weed intensity at 20 DAS, 16.9%.
• positive
  The treatment gave the highest weed control efficiency at 40 DAS, 97.5%.
• positive
  The treatment gave the lowest weed dry weight at 40 DAS, 2.59 g/m2.
• positive
  The treatment gave the lowest weed intensity at 40 DAS, 8.0%.
• positive
  The treatment gave the lowest weed dry weight at 20 DAS, 4.08 g/m2.
• positive
  The treatment gave the highest weed control efficiency at 20 DAS, 89.9%.
• positive
  Triafamone plus thoxysulfuron followed by hand weeding at 40 DAS gave the lowest weed density at 20 DAS, 10.2 No./m2.

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

• positive
  The same drone treatment significantly reduced weed dry weight against an unweeded plot.

  compared with unweeded plot

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

  compared with unweeded plot

Drone-assisted herbicide optimization for energy efficiency, weed control and economics in transplanted rice (Oryza sativa) · 2024

• positive
  Knapsack application reduced weed dry weight by 89.60–91.40% over unweeded plots.

  compared with unweeded plot

• positive
  Knapsack application reduced weed density by 77.74–86.45% over unweeded plots.

  compared with unweeded plot

Impact of New Herbicides on Weed Population and Weed Control Efficiency in Scented and Hybrid Rice (Oryza sativa L.) · 2024

• positive
  Triafamone plus ethoxysulfuron gave the most effective control of weed fresh weight, dry weight, and weed control efficiency.
• positive
  Triafamone plus ethoxysulfuron gave the most effective weed flora control.
• positive
  The five-component micronutrient foliar spray reduced dry weed weight.
• positive
  The five-component micronutrient foliar spray significantly influenced weed control efficiency.

Evaluating Tillage Practices and Herbicide Applications for Improved Rice Yield and Weed Control · 2024

• positive
  Under AWD, combined pre and post emergence spraying gave the greatest weed species reduction, 14.34/m2.

Non-chemical approaches for effective weed management and productivity of transplanted rice (Oryza sativa L.) · 2025

• positive
  The ITK spray plus hand weeding was the most effective nonchemical practice for weed metrics.
• positive
  The ITK treatment had weed dry weight of 5.82, 7.36, 9.71 and 12.13 g m-2 in rabi 2022.
• positive
  The ITK treatment had weed control efficiency of 65.53, 67.09, 59.98 and 55.25% in rabi 2022.