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Hexazinone vs Glyphosate
Why Compare Hexazinone and Glyphosate?
Hexazinone a Glyphosate are both non-selective herbicides widely used in forestry, industrial vegetation management, and non-crop areas , but their chemical nature , mode of action a application methods differ significantly. Selecting the right herbicide requires an understanding of how they perform under different use scenarios such as brush control, perennial weed suppression , or site preparation in forestry .
This article compares hexazinone vs glyphosate in detail, helping buyers and applicators make informed decisions based on weed spectrum, residual effect, soil activity, and environmental considerations.
1. Chemical Classification and Mode of Action
| Attribute | Hexazinone | Glyphosate |
|---|---|---|
| Chemical Family | Triazinone | Organophosphorus (Glycine derivative) |
| Mode of Action | Photosynthesis inhibitor (PSII blocker) | EPSP synthase inhibitor (amino acid synthesis) |
| HRAC Group | Group 5 | Group 9 |
| Systemicity | Primarily root-absorbed, some foliar activity | Strong systemic via foliage and translocation |
| Application Site | Soil and foliar | Foliar (no residual soil activity) |
| Selectivity | Non-selective (but soil-active) | Non-selective (but short-lived in soil) |
Hexazinone
works mainly through
root uptake
and blocks photosynthesis, making it effective for
long-term suppression
of deeply rooted perennials and woody plants.
Glyphosate
, by contrast, is a
foliar-applied systemic herbicide
that translocates to meristems and kills the entire plant.
2. Use Patterns and Application Scenarios
Hexazinone is ideal for:
Forestry site preparation (pine plantations)
Woody brush control in utility corridors and rights-of-way
Non-crop land and industrial vegetation management
Soil-applied broadcast or spot treatment
Glyphosate is best for:
General weed control in fallow fields
Perennial and annual weed knockdown
Desiccation before planting or harvest
Spot treatments along field borders, fence lines, and roadways
While both are used in forestry and non-crop settings , hexazinone’s soil activity gives it an edge in long-term control , whereas glyphosate offers faster knockdown with no residual soil activity .
3. Residual Control and Soil Activity
| Faktor | Hexazinone | Glyphosate |
|---|---|---|
| Soil Persistence | Long residual (can last 3–6 months) | Rapid soil breakdown (binds to soil, inactive) |
| Rainfastness | Moderate (needs rain to activate in soil) | High (rainfast in 4–6 hours) |
| Leaching Potential | Moderate to high in sandy soils | Low (tightly binds to soil particles) |
| Root Uptake | Ano | No (only foliar active) |
Hexazinone acts through root uptake and can affect nearby vegetation if misapplied or used on sensitive soils , while glyphosate remains biologically inactive once it contacts the soil, making it safer near desirable roots but requiring targeted application .
4. Weed Spectrum Comparison
| Weed Type | Hexazinone | Glyphosate |
|---|---|---|
| Annual broadleaves | Efektivní | Very effective |
| Perennial grasses | Good control | Very effective |
| Deep-rooted perennials | Very good (due to residual effect) | Effective (may require re-application) |
| Woody brush & saplings | Strong (especially soil-applied) | Moderate (needs high dose + surfactant) |
| Moss, algae, lichen | Not effective | Not effective |
In brush-heavy or perennial weed areas , hexazinone is often the herbicide of choice. For fast-growing weeds, pasture cleanup, or no-till site preparation , glyphosate is preferred.
5. Environmental & Safety Considerations
| Attribute | Hexazinone | Glyphosate |
|---|---|---|
| Mammalian toxicity | Low to moderate | Low |
| Aquatic toxicity | High – caution near waterways | Varies by formulation – avoid direct water contact |
| Groundwater risk | Present (especially in sandy soils or high rainfall) | Low |
| Drift potential | Low (soil-applied) | Moderate (foliar spray – use drift control tips) |
| Bee safety | Safe (non-attractive) | Safe if used outside blooming periods |
Hexazinone requires careful site assessment , especially near shallow water tables or sandy soils. Glyphosate is generally more environmentally neutral , but misuse (e.g., repeated use) can contribute to resistant weed populations .
6. Which Is Better: Hexazinone or Glyphosate?
There is no universal answer — it depends entirely on your application goal:
Choose Hexazinone if:
You need long-term, residual control of woody plants and brush
You manage pine plantations, utility lines , or non-crop right-of-ways
You require soil-active herbicides for season-long suppression
Choose Glyphosate if:
You need rapid knockdown of green vegetation
You’re managing site prep before planting , row middles , or annual/perennial weed control
You require a non-residual option safe around root zones
For integrated vegetation management (IVM), many forestry professionals use glyphosate for foliar kill followed by hexazinone for residual soil activity .
Available Formulations and Supply Options
We offer bulk supply and custom-label production for both products:
Hexazinone Available Forms :
25% SC
75% WG
10% GR (granules for soil spot treatment)
Combo: Hexazinone + Diuron
Glyphosate Available Forms :
41% SL
62% SL
75.7% SG (high-load granules)
Combo: Glyphosate + 2,4-D / Metsulfuron-methyl
We provide:
COA, MSDS, label & registration support
Flexible packaging for agriculture , forestry , or industrial applications
OEM / ODM cooperation for brands and distributors
Conclusion: A Strategic Choice for Vegetation Management
Both hexazinone a glyphosate are powerful non-selective herbicides, but they are not interchangeable .
Hexazinone excels in long-term brush control , especially in forestry, rangelands, and non-crop areas where residual soil activity is desired.
Glyphosate is the go-to choice for fast-acting foliage kill , ideal for row-crop site prep, industrial maintenance a seasonal knockdown .
Choosing the right one—or a strategic combination —can optimize weed control, minimize cost, and improve environmental safety.
Partner with Us for Bulk Herbicide Supply
We are a reliable herbicide manufacturer and exporter with over a decade of experience in:
Forestry and non-crop vegetation management solutions
Stable formulations of Hexazinone , Glyphosate a Tank Mix Combos
Full-service OEM support and registration documentation
Contact our technical team today to request a sample, get a quote, or explore custom solutions tailored to your market needs.
