Awiner Fluroxypyr-Meptyl | The Broadleaf Weed Terminator for Wheat Fields

Fluroxypyr-Meptyl herbicide

1.Product Overview

Fluroxypyr-Meptyl delivers high-efficiency, selective, systemic post-emergence weed control and represents the most widely recognized and commercially dominant ester form of Fluroxypyr for broad-spectrum broadleaf weed management in global agricultural fields.Due to its stable efficacy, low phytotoxicity, wide crop safety window and excellent mixing compatibility, it has become one of the most essential herbicides for wheat, corn, sugarcane, orchards and pasture weed management worldwide.
This product is available in multiple mainstream commercial specifications, including high-purity 97% technical material for formulation factories and classic finished formulations such as 200g/L EC, 288g/L EC and 50% OD, fully covering the procurement needs of technical buyers, formulation manufacturers, distributors and large farm groups.

2.Basic Product Parameters

• Product Name:Fluroxypyr-Meptyl
• CAS Number: 81406-37-3
• Appearance: White crystalline solid (97% TC); Light yellow transparent liquid (EC formulation)
• Solubility: Insoluble in water, easily soluble in organic solvents
• Mode of Action: Systemic absorption, auxin-disrupting herbicide
• Characteristic: Low temperature resistant, long residual effect, thorough weed killing, high crop safety

3. How Does Fluroxypyr-Meptyl Kill Weeds?

Fluroxypyr-Meptyl acts as a synthetic auxin herbicide with strong systemic conduction performance. Fluroxypyr-Meptyl rapidly penetrates and moves through the leaves, stems, and tender tissues of weeds after foliar application, quickly reaching the root system and spreading throughout the entire plant.It disrupts the normal hormone regulation system of broadleaf weeds, causing uncontrolled abnormal cell division and growth. Affected weeds will show typical symptoms such as stem distortion, leaf curling, swelling, chlorosis and growth stagnation. Finally, the whole plant withers and dies, realizing thorough eradication rather than superficial leaf burning.

Different from contact herbicides that only kill above-ground weed tissues, Fluroxypyr-Meptyl can completely destroy the root system of perennial deep-rooted broadleaf weeds, effectively solving the problem of repeated recurrence of stubborn weeds. It only targets broadleaf weeds and has no adverse effect on gramineous crops, ensuring extremely high crop safety during the application period.

4. What Are The Core Advantages of Fluroxypyr-Meptyl?

Fluroxypyr-Meptyl has obvious comprehensive advantages over traditional broadleaf herbicides such as 2,4-D and dicamba, and has become the preferred alternative product in global high-standard agricultural planting:

• Excellent low-temperature resistance: It can exert stable activity under low temperature conditions where most herbicides fail, ensuring effective weed control in early spring and late autumn low-temperature seasons, expanding the effective application cycle.
• Thorough root-killing ability: It has special effects on perennial stubborn broadleaf weeds with developed root systems, completely removes underground root tissues, and significantly reduces weed recurrence rate.
• Ultra-high crop safety: It has a wide safety window for wheat, corn, sugarcane and fruit trees, no phytotoxicity, no impact on crop growth and yield, and no adverse effect on subsequent crop rotation.
• Fluroxypyr-Meptyl offers powerful mixing compatibility with glyphosate, clethodim, quizalofop-p-ethyl, atrazine, and other herbicides, enabling comprehensive control of grass and broadleaf weeds, reducing spraying frequency, and delaying weed resistance.
• Fluroxypyr-Meptyl maintains stable field efficacy with strong rainfastness, resisting wash-off after absorption and delivering consistent weed control under variable weather conditions, making it suitable for continuous application on large-scale farms.
• Low residue and environmental friendliness: Moderate degradation speed in soil, no long-term residue pollution, in line with global agricultural green planting standards and export crop pesticide residue requirements.

5. What Crops Can Fluroxypyr-Meptyl Be Used On?

Fluroxypyr-Meptyl is widely applicable to multiple staple crops and economic crops around the world, and is recognized and registered in dozens of countries:

• Grain Crops: Wheat, barley, corn, rice
• Economic Crops: Sugarcane, cotton, flax
• Plantation & Orchard: Citrus orchards, apple orchards, vineyards, mango orchards and other fruit trees
• Greening & Pasture: Lawn, pasture, forest nursery and non-cultivated wasteland

6. What Weeds Can Fluroxypyr-Meptyl Control?

This product has excellent control effect on almost all common annual and perennial broadleaf weeds in farmland, especially for stubborn weeds that are difficult to remove by conventional herbicides:

• Stubborn Perennial Weeds: Convolvulus arvensis, Calystegia sepium, Cirsium setosum, Sonchus oleraceus
• Common Farmland Weeds: Galium aparine, Stellaria media, Myosotis sylvatica, Polygonum aviculare, Portulaca oleracea, Amaranthus retroflexus
• Aquatic & Moisture-loving Weeds: Alternanthera philoxeroides, Ludwigia prostrata
• Invasive Broadleaf Weeds: Solanum nigrum, Xanthium sibiricum, Chenopodium album

7.How to Use Fluroxypyr-Meptyl Correctly?

Fluroxypyr-Meptyl is applied by post-emergence foliar spraying. The best application period is when weeds grow vigorously at the 2–5 leaf stage. At this stage, weeds have strong absorption activity, fast drug conduction and the best control effect.
Before spraying, clean water shall be used to dilute the liquid medicine evenly, and the sprayer shall keep uniform spraying to ensure full coverage of weed leaves. Avoid application in high temperature, strong wind or heavy rain weather to prevent efficacy attenuation. For perennial deep-rooted weeds with strong vitality, appropriate increase of dosage or secondary supplementary spraying can significantly improve the root-killing effect.
Fluroxypyr-Meptyl enables one-time control of grass weeds and broadleaf weeds in large-scale farm applications by mixing with grass herbicides, reducing labor costs and improving planting efficiency.

8.FAQ

Q1: What is the difference between Fluroxypyr acid and Fluroxypyr-Meptyl?
A: Fluroxypyr-Meptyl is the esterified commercial form of Fluroxypyr acid. It features better lipophilicity, faster leaf penetration, higher field stability and lower crop phytotoxicity compared with acid form. The meptyl ester is the globally mainstream version for agricultural application, while Fluroxypyr acid is rarely used directly for field spraying.
Q2: Is Fluroxypyr-Meptyl effective in low-temperature weather?
A: Yes. It has outstanding low-temperature resistance compared with most common broadleaf herbicides. It can maintain stable weed-killing activity at low temperatures, working well in early spring and late autumn when other herbicides fail to take effect, greatly extending the applicable spraying period.
Q3: What herbicides can Fluroxypyr-Meptyl be mixed with?
A: It has excellent tank-mix compatibility. It can be safely mixed with glyphosate, clethodim, quizalofop-p-ethyl, atrazine and other common herbicides. Mixed application can control both broadleaf and grass weeds, reduce spraying frequency, improve efficiency and slow down weed resistance.
Q4: Does Fluroxypyr-Meptyl cause damage to subsequent crops?
A: No. The product degrades moderately and rapidly in soil with no long-term residual accumulation. When applied at the recommended dosage, it has no adverse impact on subsequent crop rotation, ensuring high safety for whole-cycle crop planting.
Q5: What is the best spraying stage for optimal weed control?
A: The best application time is the 2–5 leaf stage of weeds with vigorous growth. At this stage, weeds have strong absorption and conduction capacity, enabling rapid and thorough weed removal. For perennial deep-rooted weeds, appropriate dosage adjustment or supplementary spraying can achieve a better root-killing effect.