Introduction to Ametryn Product

FDD global
39457
July 10, 2025, 4:17 PM
Guide
Highlights at a glance
Ametryn, known chemically as 2,4-dichlorophenoxyacetic acid (2,4-D), is a selective systemic herbicide widely used in agriculture. It appears as a colorless crystal with moderate water solubility (185 mg/L at 20°C) and high solubility in organic solvents. The compound degrades under strong acidic or alkaline conditions, forming 6-hydroxy derivatives. Ametryn effectively inhibits plant photosynthesis, delivering rapid weed control by forming a herbicidal layer in the top 0–5 cm of soil, which targets germinating weeds upon emergence. It is most effective against newly sprouted annual weeds such as crabgrass and green foxtail in crops like corn and sugarcane. At low concentrations, it can promote plant growth by stimulating root and shoot development, increasing leaf area, and thickening stems; however, at high concentrations, it strongly inhibits plant growth. Its application extends to soybean, potato, citrus, banana, coffee, tea, and non-cultivated lands, controlling both broad-leaved and gramineous weeds, including some perennial and aquatic species. Due to its versatility and efficacy, ametryn is a valuable tool for integrated weed management in diverse agricultural systems.
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