CAS · 122008-85-9
Product Overview
Cyhalofop-butyl is a high-purity herbicides supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | Off-white or pale yellow flaky solid |
|---|---|
| Assay(R) | 96% min |
| Ester content | 98% min |
| Water | 0.5% max |
Applications
Cyhalofop-butyl is a selective post-emergence herbicide widely used in rice cultivation. It belongs to the aryloxyphenoxypropionate (AOPP) family and acts as an inhibitor of acetyl-CoA carboxylase (ACCase), an essential enzyme for fatty acid biosynthesis in grasses. Its main application is the effective control of annual and perennial grass weeds such as barnyard grass (Echinochloa crus-galli), wild oats (Avena spp.), and other problem grasses in paddy fields. Cyhalofop-butyl is absorbed by the leaves and translocated to the growing points of weeds, where it disrupts lipid synthesis and causes plant death. It is commonly applied in rice paddies post-emergence, ensuring protection of the rice crop while being safe for broadleaf plants and rice itself.
Benefits
The primary benefits of cyhalofop-butyl lie in its high selectivity, effectiveness, and crop safety. It allows rice farmers to manage grassy weeds without damaging rice plants, thereby increasing yield and quality. Its post-emergence activity provides flexibility in weed control, as it can be applied after weeds have germinated and emerged. Compared to non-selective herbicides, cyhalofop-butyl reduces the need for mechanical weeding, lowering labor costs and improving efficiency in rice cultivation. Additionally, its rapid absorption and systemic action ensure effective control at relatively low use rates, reducing environmental impact when applied responsibly.
Conclusion
Cyhalofop-butyl is an important selective herbicide for rice cultivation, targeting a wide spectrum of grass weeds while being safe for rice and broadleaf crops. Its mechanism of ACCase inhibition ensures effective post-emergence control, improving crop yield and reducing labor costs. With its selectivity, efficiency, and flexibility, cyhalofop-butyl has become a key tool in modern rice weed management programs.
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