15 Best Herbicides for Rice Farm [Fast Actions]

Herbicides are an important component in the successful management of a rice farm. The right herbicides can help to reduce weed competition, improve yields, and minimize the need for costly hand weeding. With so many herbicides on the market, it can be difficult to determine which are the best for controlling weeds in a rice farm.

Fortunately, this guide outlines 15 of the best herbicides for controlling weeds in rice farms, some of which include Sethoxydim, Trifloxysulfuron, Propamil, Fluazifop-P-butyl, Butachlor, Fenoxaprop-P-ethyl, Bispyribac-Na, Hslosulfuron-methyl, Chlorimuron-ethyl, and Oxadiazon among others.

These herbicides are effective at controlling a wide range of weed species, including grassy and broadleaf weeds.

In addition, these herbicides are safe for use in rice farming and have minimal environmental impacts. With the help of these herbicides, rice farmers can maintain healthy, weed-free fields and make the most of their yields.

15 Best Herbicides for Rice Farm

Table of Contents

A wide range of herbicides are available to help control weeds in rice fields, and the 15 best herbicides for rice farming offer excellent control of a variety of weed species.

These herbicides are effective at controlling a variety of grasses and broadleaf weeds while minimizing crop injury. With careful consideration, the right herbicide can help the rice farmer achieve successful weed control.

#1. Sethoxydim

Sethoxydim is a selective herbicide used to control grass weeds in cereal crops, pastures and turf. It works by inhibiting the growth of plants and preventing new shoots from developing. It is a member of the cycloxydim family of herbicides and has a wide range of selectivity, making it an ideal choice for controlling grass weeds in a variety of crops.

Features of Sethoxydim

1. Selectivity

Sethoxydim has a wide range of selectivity, allowing it to be used to control grass weeds in a variety of crops without damaging the crop itself.

2. Pre-emergence Activity

Sethoxydim works before the weeds have emerged, preventing them from developing in the first place.

3. Residual Activity

Sethoxydim has a long-lasting residual activity, meaning that it will continue to control weeds for weeks after application.

4. Low Volatility

Sethoxydim is a low-volatility herbicide, meaning that it is unlikely to drift away from its intended target.

5. Low Use Rates

Sethoxydim can be applied at low rates, making it an economical choice for weed control.

#2. Trifloxysulfuron

Trifloxysulfuron is an herbicide used to control broadleaf weeds in cereals and grassland. It is a sulfonylurea compound and acts by inhibiting the enzyme acetolactate synthase. This enzyme is essential for the synthesis of branched-chain amino acids and is needed for the growth of plants.

Features of Trifloxysulfuron

  1. It is a selective herbicide, meaning it inhibits the growth of broadleaf weeds while not harming the cereals or grass.
  2. It is absorbed into the plant quickly and is effective in controlling weeds in a short time.
  3. It is a systemic herbicide, meaning it is transported through the plant’s vascular system.
  4. It is non-volatile and does not evaporate or dissipate in the environment.
  5. It is relatively safe to use because it does not cause adverse effects on humans or animals when used at recommended rates.
  6. It has a low toxicity to fish and other aquatic organisms.

#3. Propanil

Propanil is a widely used herbicide in rice farming. It is used to control a variety of weeds, including red rice, barnyard grass, and junglerice. Propanil is a contact herbicide, which means it must come into contact with the weeds in order to be effective. It is absorbed through the leaves of the plant and moves to other parts of the plant, where it kills the weeds.

Features of Propanil

  1. Propanil is an effective herbicide for rice farming that helps to control a wide range of weeds, including many sedges, grasses and broadleaves.
  2. Propanil is generally applied in early stages of rice crop growth, when weeds are small and actively growing.
  3. Propanil has a low risk of crop injury and is relatively safe to use on most rice crops.
  4. It has a low residual activity and is quickly degraded in soil by microbial activity.
  5. Propanil breaks down rapidly and is not persistent in the environment.
  6. It is effective against a broad range of weeds, including many sedges, grasses and broadleaves.
  7. Propanil is non-selective, meaning that it will kill all vegetation it contacts, so it should not be applied near desirable plants.

#4. Fluazifop-P-butyl

Fluazifop-P-butyl is a post-emergence selective grass herbicide. It is a member of the phenoxy group of herbicides and is used to control annual and perennial grasses in a wide range of crops. It is commonly used in cereals, cotton, oilseed rape, soybeans, sugar beet, and other broadleaf crops.

Features of Fluazifop-P-butyl

  1. Selective grass control
  2. Systemic action
  3. Low use rate
  4. Low toxicity
  5. Rapid absorption and translocation
  6. Long residual activity
  7. Rainfast within 1-2 hours
  8. Compatible with other herbicides
  9. No soil activity

#5. Butachlor

Butachlor is a pre-emergence herbicide used to control weeds in rice farms. It is a selective herbicide, meaning it targets certain weeds while leaving the rice plants unharmed. It is particularly effective in controlling grassy weeds such as barnyardgrass and broadleaf weeds such as water spinach.

Features of Butachlor

  1. It is a selective herbicide, targeting certain weeds while leaving the rice plants unharmed.
  2. It is effective in controlling grassy weeds such as barnyardgrass and broadleaf weeds such as water spinach.
  3. It is an economical and efficient way to control weeds in rice farms.
  4. It is easy to apply and does not require additional equipment.
  5. It is non-volatile and does not move from the targeted area, reducing the risk of polluting ground water.
  6. It is biodegradable and does not remain in the soil for long periods of time.

#6. Fenoxaprop-P-ethyl

Fenoxaprop-P-ethyl is a herbicide used for weed control in rice farms. It is a selective post-emergence herbicide that is effective in controlling annual grasses and broadleaf weeds, while not harming the crop. Fenoxaprop-P-ethyl works by preventing the weeds from photosynthesizing properly, causing them to die off.

Features of Fenoxaprop-P-ethyl

  1. It is a selective post-emergence herbicide, meaning it will only affect the weeds while not harming the crop.
  2. It is effective in controlling annual grasses and broadleaf weeds.
  3. It works by preventing the weeds from photosynthesizing properly, causing them to die off.
  4. It is applied as a liquid spray, and is very easy to apply.
  5. It is safe for use around the environment, as it does not have any negative impacts on the environment.
  6. It is very effective in controlling weed growth in rice farms.

#7. Bispyribac-Na

Bispyribac-Na is an insecticide used for rice farms. It is a broad spectrum, systemic, foliar and soil applied insecticide with activity against a wide range of insect pests. Bispyribac-Na is a highly effective insecticide for the control of aphids, leaf hoppers, stem borers, and other chewing and sucking insects. It is used for the protection of rice crop from serious damage caused by these insects.

Features of Bispyribac-Na

  1. Broad-spectrum control of grassy and broad-leaved weeds in rice fields.
  2. Low-use rates for effective weed control.
  3. Fast-acting, with visible results within days.
  4. Non-volatile and does not move in the soil.
  5. Low toxicity to humans, animals and the environment.
  6. Compatible with many other herbicides and fungicides.
  7. Low-odor formulation.
  8. Long-lasting residual control.
  9. Effective at temperatures as low as 10°C.

#8. Halosulfuron-methyl

Halosulfuron-methyl is a selective herbicide commonly used in rice farms. It is used to control annual and perennial grasses, as well as broadleaf weeds. It is absorbed by the foliage and then translocated to the root system of the weeds, causing them to die.

Features of Halosulfuron-methyl

Selective

Halosulfuron-methyl is a selective herbicide, meaning it only targets certain types of weeds, sparing desirable crops.

Systemic

It is absorbed by the foliage and then moves throughout the entire weed plant, including the roots. This allows it to be effective against both annual and perennial weeds.

Fast-Acting

Halosulfuron-methyl is fast-acting, with the results usually visible within two to three weeks of application.

Long Residual Activity

The active ingredient in Halosulfuron-methyl remains in the soil for up to 12 months, providing long-term weed control.

Low Toxicity

Halosulfuron-methyl is considered to have low toxicity to humans and animals, making it a safe and effective herbicide.

#9. Chlorimuron-ethyl

Chlorimuron-ethyl is a herbicide used by rice farmers to control certain broadleaf weeds and grasses. It is a selective herbicide, meaning it only targets certain plant species while leaving others unaffected.

It works by inhibiting the enzyme acetolactate synthase (ALS), which is responsible for amino acid synthesis in plants. This prevents the plants from properly synthesizing proteins and other essential molecules, leading to the death of the affected plants.

Features of Chlorimuron-ethyl

Highly Selective

Chlorimuron-ethyl is highly selective, meaning it targets a narrow range of weeds and grasses while leaving other plants unaffected.

Low Toxicity

Chlorimuron-ethyl has a low toxicity to humans and animals, making it safe to use on rice farms.

Long-lasting

Chlorimuron-ethyl is effective for several weeks, allowing farmers to apply it less often.

Broad-spectrum Control

Chlorimuron-ethyl controls a wide range of weeds and grasses, including annual broadleaf weeds and grasses such as barnyardgrass, foxtail, and crabgrass.

#10. Oxadiazon

Oxadiazon is an herbicide used for post-emergence control of weeds in rice farms. It is a selective herbicide that targets broadleaf and grasses weeds, but does not harm the rice plants. It is a member of the dinitroaniline family of herbicides and is most effective when used in combination with other herbicides.

Features of Oxadiazon

  1. Oxadiazon is a selective herbicide that targets broadleaf and grass weeds, but does not harm the rice plants.
  2. It is most effective when used in combination with other herbicides.
  3. Oxadiazon is absorbed by the leaves and roots of the weeds and is translocated throughout the plant, affecting the growth and development of the weed.
  4. It is generally applied as a pre-emergence herbicide, which means it is applied before the weeds have emerged from the soil.
  5. It is also used as a post-emergence herbicide, which means it is applied after the weeds have emerged from the soil.
  6. It is photodegradable and does not persist in the environment for long periods of time.

#11. Imazethapyr

Imazethapyr is a post-emergence herbicide used in the production of rice. It is a selective systemic herbicide used to control a wide variety of broadleaf weeds, sedges, and grasses in rice fields.

Imazethapyr is absorbed by the foliage, root, and stem of the target weed. It works by inhibiting the production of a key enzyme, acetolactate synthase, which is necessary for the formation of the amino acids needed for the plant to grow.

Features of Imazethapyr

  1. Imazethapyr is a selective herbicide, meaning it only targets certain weeds without harming the rice crop.
  2. It is effective against both broadleaf and grass weeds, such as barnyard grass, watergrass, and goosegrass.
  3. Imazethapyr is effective in controlling weeds early in the season, before the rice crop has started to emerge.
  4. It is safe for use on all types of rice, including long-grain, medium-grain, and short-grain varieties.
  5. Imazethapyr is highly effective, with good control of many tough weeds in rice fields.
  6. It is absorbed into the plant quickly, so it can provide fast and effective control of weeds.
  7. Imazethapyr is relatively easy to handle and apply, making it an ideal choice for farmers.

#12. Nicosulfuron

Nicosulfuron is an herbicide used in rice farming to control weeds. It is a sulfonylurea herbicide, which is a type of chemical that inhibits the enzyme acetolactate synthase (ALS) in plants.

This enzyme is responsible for the synthesis of the amino acid valine, which is essential for plant growth. When Nicosulfuron is applied to the soil, it is taken up by the weed plants and inhibits their ability to produce valine, resulting in their death.

Features of Nicosulfuron

Highly selective

Nicosulfuron has excellent selectivity, meaning it targets certain weeds while leaving the rice plants unharmed.

Quick Action

Nicosulfuron is very effective at controlling weeds in a short amount of time.

Long-Lasting

Nicosulfuron has a long residual effect, meaning it can continue to control weeds for weeks or months after application.

Low Toxicity

Nicosulfuron has low toxicity to humans and animals, making it safer to use than many other herbicides.

Low Cost

Nicosulfuron is relatively inexpensive and cost-effective.

#13. Thiobencarb

Thiobencarb is a herbicide used in rice farming. It is used to control annual and perennial grasses, as well as broadleaf weeds. It is a selective herbicide, meaning it selectively targets certain weeds while leaving the desired crop (in this case, rice) unharmed.

Features of Thiobencarb

  1. Thiobencarb is a post-emergent herbicide, meaning it is effective on weeds that are already growing.
  2. It has a low risk of leaching, meaning that it is unlikely to contaminate groundwater or other sources of drinking water.
  3. It is safe for use on aquatic plants, making it ideal for use in rice farming, which is often near water sources.
  4. It is a systemic herbicide, meaning that it is absorbed by the plant and travels throughout its system to kill it.
  5. It has a short half-life, meaning that it breaks down quickly in the environment.
  6. It is effective at controlling a wide range of grasses and broadleaf weeds.
  7. It is relatively inexpensive, making it a cost-effective solution for weed control.

#14. S-metolachlor

S-metolachlor is a pre-emergent herbicide used to control weeds in rice fields. It is applied to the soil before the crop is planted, and works by inhibiting the germination of weed seeds. S-metolachlor can be used to control a wide range of weeds, including grasses, sedges, and broadleaf weeds.

Features of S-metolachlor

  1. Prevents germination and growth of weeds in rice fields
  2. Provides long-lasting protection from weeds
  3. Can be applied before planting or after emergence
  4. Active ingredient has low toxicity to humans and animals
  5. Safe for use in organic farming
  6. Can be applied with irrigation water or through ground application
  7. Compatible with many other herbicides, insecticides, and fungicides
  8. Effective against many weed species, including grasses, sedges, and broadleaf weeds

#15. Clomazone

Clomazone is a pre-emergent herbicide used to control weeds in rice farms. It is applied prior to the emergence of weeds. It works by inhibiting the growth of weeds and preventing them from emerging. Clomazone is a selective herbicide, meaning that it targets certain weeds and does not affect the growth of the desired crop.

Features of Clomazone

  1. Clomazone is a pre-emergent herbicide that can be applied to rice farms prior to the emergence of weeds.
  2. Clomazone is a selective herbicide, meaning that it targets certain weeds while not interfering with the growth of the desired crop.
  3. It works by inhibiting the growth of weeds, preventing them from emerging and competing with the desired crop for nutrients and resources.
  4. Clomazone is generally safe to use, as long as it is applied correctly and according to the label instructions.
  5. It is effective at controlling a wide range of annual and perennial grasses and broadleaf weeds.
  6. Clomazone breaks down quickly in the environment, making it less likely to contaminate water sources or cause any other environmental damage.

Advantages of Herbicides for Rice Farms

1. Increased Yields

Herbicides are effective in controlling weeds that compete with the rice crop for resources such as sunlight, water and nutrients. This helps the crop to produce higher yields.

2. Reduced Labor

Herbicides reduce the amount of labor needed to remove weeds by hand. This can free up staff to focus on other tasks such as crop maintenance and harvesting.

3. Lower Costs

The use of herbicides can reduce the cost of labor needed to remove weeds, as well as the cost of purchasing additional fertilizer to replace nutrients lost due to weed competition.

4. Improved Quality

Herbicides can help improve the quality of the rice crop by reducing weed competition and reducing the amount of weed seeds that enter the harvested crop.

5. Environmentally Friendly

Herbicides can be an environmentally friendly option when used responsibly. They can help reduce the amount of water and energy needed to farm, as well as reduce the amount of chemical runoff that enters water sources.

Disadvantages of Herbicides for Rice Farms

1. High Cost

Herbicides can be expensive and can require a large investment of money to purchase and apply.

2. Residue

Herbicides can leave a residue on plants and in the soil, which can harm beneficial organisms.

3. Environmental Impact

Herbicides can pollute the air, water, and soil, and can have a negative effect on the environment.

4. Health Risks

Herbicides can pose serious health risks to farmers, other workers, and consumers if not used correctly.

5. Resistance

Some weeds have developed resistance to herbicides, making them more difficult to control.

How To Select Herbicide for Rice Farms

1. Determine The Type Of Weed You Are Trying To Control

Different herbicides are used to control different types of weeds, so it is important to identify the weed species that are present in the rice fields.

2. Consider The Timing Of The Herbicide Application

There are certain times of the year when certain herbicides should be applied for maximum effectiveness. For example, some herbicides are best applied in the early stages of weed growth, while others are best applied during the late stages of growth.

3. Choose An Herbicide That Is Compatible With The Environment

Different herbicides have different environmental impacts, so it is important to select one that is compatible with the environment.

4. Consider The Cost Of The Herbicide

Different herbicides can vary in cost, so it is important to consider the cost of the herbicide when making a selection.

5. Consult An Expert

If you are unsure about which herbicide to choose, it is best to consult a herbicide expert who can provide advice on which herbicide will be most effective for your particular situation.

How to use Herbicides for Your Farm

1. Familiarize Yourself With The Different Herbicides Available

Read the product label carefully to make sure the herbicide is suitable for the crop you are growing.

2. Choose The Right Herbicide For Your Farm

Different herbicides are designed to target different types of weeds. Make sure to select an herbicide that is compatible with the crops you are growing.

3. Calculate The Amount Of Herbicide Needed

Refer to the product label for the recommended application rate.

4. Apply The Herbicide Correctly

Apply the herbicide in accordance with the product label instructions to ensure optimal results.

5. Monitor The Results Of Your Application

Look for any signs of weed growth or damage to the crops. If necessary, re-apply the herbicide.

6. Use Safety Precautions

Wear protective clothing and safety equipment when handling and applying herbicides.

7. Dispose Of Herbicides And Containers Safely

Refer to the product label for disposal instructions.

Tips on how to Safely and Effectively Apply Herbicides

1. Read and Follow the Label

Read the herbicide label thoroughly and follow all instructions. Know the application rates and the areas that require treatment.

2. Wear Protective Clothing

Wear long-sleeved clothing and protective gloves when handling and applying herbicides.

3. Use the Right Equipment

Use the right equipment for the job. Know the proper nozzle and spray pressure settings.

4. Apply the Herbicide Correctly

Apply herbicides only to the designated area. Do not overspray or drift into areas not intended for treatment.

5. Clean Up

Clean up any spills or overspray as soon as possible. Dispose of any containers and equipment according to the label instructions.

6. Monitor the Effects

Monitor the treated area for any signs of adverse effects. If you notice any, contact your local extension office for advice.

7. Store Herbicides Properly

Store herbicides in a cool, dry place, away from children and pets. Read through the label for storage instructions.

Best Herbicide For Rice Farming

There are a number of herbicides that are effective in controlling weeds in rice farming. Some of the commonly used herbicides include:

  1. Acetochlor
  2. Bensulfuron-methyl
  3. Chlorimuron-ethyl
  4. Flumioxazin
  5. Oxyfluorfen
  6. Pendimethalin
  7. Propanil
  8. Quizalofop-P-ethyl
  9. S-metolachlor
  10. Trifluralin

New Rice Herbicides

Several new herbicides for rice are being developed and tested. These include the following:

1. Amicarbazone

This is a broad-spectrum pre-emergent herbicide that is effective against a wide range of weeds in rice.

2. Pyrazon

This is a pre-emergent selective herbicide that is effective against grassy and broadleaf weeds in rice.

3. Alion

This is a pre-emergent selective herbicide that is effective against grassy and sedge weeds in rice.

4. Imazapyr

This is a post-emergent selective herbicide that is effective against grassy and broadleaf weeds in rice.

5. Flufenacet

This is a pre-emergent selective herbicide that is effective against grassy and broadleaf weeds in rice.

6. Sulfosulfuron

This is a post-emergent selective herbicide that is effective against grassy and broadleaf weeds in rice.

7. Bentazon

This is a post-emergent selective herbicide that is effective against broadleaf weeds in rice.

Best Post Emergence Herbicide For Rice

The best post emergence herbicide for rice is propanil. This herbicide is highly effective against a wide range of broadleaf and grassy weeds and provides good residual control.

It is generally used at a rate of 2-4 kg/ha and can be applied either pre-planting or post-emergence. It works best when applied prior to the weeds reaching the two-leaf stage, and is safe for use in most rice varieties.

Pre Emergence Herbicide For Rice

Pre-emergence herbicides are an important part of an integrated weed management program for rice. They are applied before weeds emerge and are most effective when applied to a weed-free soil.

Pre-emergence herbicides can provide season-long control of many annual grass and broadleaf weeds, including barnyardgrass, crabgrass, and sedges. The most commonly used pre-emergence herbicides for rice production are propanil, quinclorac, fluazifop, and oxyfluorfen.

Propanil

Propanil is the most widely used pre-emergence herbicide for rice in the United States and is applied at the start of the season. It has good activity on most grass and broadleaf weeds and can provide season-long control. Propanil is safe to use on most cultivars of rice and has minimal impact on beneficial insects.

Quinclorac

Quinclorac is a selective pre-emergence grass herbicide that has activity on many annual grasses and is safe to use on most rice cultivars. It can be used alone or in combination with other pre-emergence herbicides.

Fluazifop and oxyfluorfen

Fluazifop and oxyfluorfen are also useful pre-emergence herbicides. Fluazifop is a selective grass herbicide with activity on many annual grasses and is safe to use on most rice cultivars. Oxyfluorfen is a selective broadleaf herbicide and can provide season-long control of many broadleaf weeds.

These pre-emergence herbicides can be used alone or in combination, depending on the weed species present in a field. It is important to read and follow all label directions carefully and to only use the recommended rates and application timing for optimal weed control.

Post Emergence Herbicide List

  1. Atrazine
  2. Glyphosate
  3. 2,4-D
  4. Metolachlor
  5. Dicamba
  6. Oxadiazon
  7. MSMA
  8. Simazine
  9. Imazethapyr
  10. S-metolachlor

Reaper Herbicide

Reaper Herbicide is a pre-emergent and post-emergent herbicide for use on a variety of broadleaf weeds and grasses. It is registered for use in turfgrasses, ornamental plantings, and non-crop areas.

It is a combination of two active ingredients, flazasulfuron and sulfentrazone, which work together to provide long-term control of weeds. It can be used to control a wide range of weeds, including annual bluegrass, chickweed, crabgrass, dandelion, foxtail, henbit, knotweed, and thistle.

Reaper Herbicide is effective at controlling weeds without harming the surrounding vegetation.

Best Farm Herbicide

The best farm herbicide depends on the type of weeds you are attempting to control, as well as the type of crops you are growing. There are a variety of herbicides available that are designed to target specific types of weeds in different environments. Be sure to read the label carefully and choose the herbicide that is best suited to your specific situation.

Best Herbicide For Ragweed

The best herbicide for ragweed is one containing glyphosate as its active ingredient. Glyphosate is a non-selective herbicide and will kill any vegetation it comes in contact with, so care must be taken to ensure that it does not come into contact with any desirable plants or grasses.

Best Herbicide For Giant Ragweed

The best herbicide for giant ragweed is glyphosate. Glyphosate is a broad-spectrum herbicide that is effective against most weeds, including giant ragweed. It is available in both liquid and granular forms, and can be applied as a spot treatment or to larger areas. When using glyphosate, it is important to follow the instructions on the product label and take care to avoid spraying desirable plants.

Herbicides For Rice Farm

  1. Bispyribac-sodium
  2. Chlorimuron-ethyl
  3. Fluazifop-p-butyl
  4. Oxyfluorfen
  5. Pendimethalin
  6. Propanil
  7. Pyraflufen-ethyl
  8. Trifluralin
  9. Quizalofop-ethyl
  10. Fenoxaprop-ethyl

Conclusion

From the above list, it is evident that there are a variety of herbicides available for use on rice farms. Each herbicide has its own properties and characteristics and should be chosen based on the specific needs of the farm. Some herbicides are more effective against certain weeds, while some are more effective against other weeds.

 

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