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Tebuthiuron 80% WDG

Tebuthiuron 80% WDG – Soil-Residual Herbicide for Total Vegetation Control

Tebuthiuron 80% WDG ነው ሀ persistent urea herbicide formulated as a water-dispersible granule, designed for long-term suppression of broadleaf weeds, grasses, and woody plants in non-crop areas (industrial sites, railways) and select crops (sugarcane, pineapples). As a photosynthesis inhibitor (PSII, HRAC Group 5), it provides 1–2 years of residual control through root uptake and soil mobility, making it ideal for low-maintenance vegetation management .

ፈጣን ጥቅስ ያግኙ

ቴክኒካዊ ዝርዝሮች

መለኪያ ዝርዝር መግለጫ
ንቁ ንጥረ ነገር Tebuthiuron 80% (w/w)
የኬሚካል ክፍል Substituted urea (PSII inhibitor)
የአጻጻፍ አይነት ውሃ የሚበተን ጥራጥሬ (WDG)
የተግባር ዘዴ Blocks electron transport in PSII → disrupts photosynthesis
Target Vegetation Broadleaves, grasses, shrubs (Cynodon, አማራንቱስ, Acacia)
መሟሟት Moderate (2,500 mg/L at 25°C)
የአፈር ግማሽ-ሕይወት DT₅₀: 180–360 days (persistent)
የመደርደሪያ ሕይወት 3 years (store at 10–30°C in dry conditions)

Critical Use Restrictions

  • Non-Selective: Total vegetation control – avoid near desirable plants.

  • Groundwater Hazard: High leaching risk (GUS index: 3.8) – prohibited in sandy soils or near aquifers .

  • Global Bans: Withdrawn in EU (2002) and Australia; restricted use in USA/Canada .

የመተግበሪያ መመሪያዎች

የተመዘገቡ አጠቃቀሞች:

ጣቢያ የመድኃኒት መጠን (ኪግ/ሄር) Target Vegetation ዘዴ
Industrial Sites 4.0–8.0 Brush, perennial grasses Soil-surface broadcast
Sugarcane (Pre-plant) 2.0-3.0 ሳይኖዶን ዳክቲሎን, ማሽላ halepense የአፈር ውህደት
የደን ልማት 3.0–6.0 Woody invasives (Acacia) Spot treatment

ቁልፍ ልምዶች:
⚠️ ማግበር: Requires 25–50 mm rainfall within 10 days.
⚠️ ማቋቋሚያ ዞኖች: 100m from water bodies, 500m from croplands.
⚠️ Single Application Limit: ≤8 kg/ha/year to reduce leaching risk .

የአካባቢ እና ደህንነት መገለጫ

መለኪያ ውሂብ የቁጥጥር ሁኔታ
አጥቢ እንስሳት መርዛማነት Moderate (Rat oral LD₅₀: 644 mg/kg) የዓለም ጤና ድርጅት II ክፍል (በመጠነኛ አደገኛ)
ስነ-ምህዳራዊነት Extremely toxic to fish (LC₅₀: 0.09 mg/L) EPA Restricted Use Pesticide (RUP)
የአፈር ማሰሪያ Koc: 80 (high leaching potential) GUS index: 3.8 (high risk)
እንደገና የመግባት ክፍተት 48 ሰዓታት Full PPE mandatory

ጥቅሞች እና ገደቦች

ጥቅሞች:
✅ Long-Term Control: 12–24 months suppression after single application.
✅ ወጪ ቆጣቢ: Reduces mechanical clearing by 80% in trials.
✅ የመቋቋም አስተዳደር: glyphosate-የሚቋቋም አረም ላይ ውጤታማ.

ገደቦች:
⚠️ Non-Target Damage: Root zone migration kills adjacent vegetation.
⚠️ ጽናት: Residual activity limits land reuse (wait 24+ months for sensitive crops).

ዓለም አቀፍ የቁጥጥር ሁኔታ

ክልል Status Key Restrictions
አሜሪካ Restricted Use (EPA Reg. No. 352-399) Certified applicators only; groundwater monitoring
ካናዳ Limited registration (PMRA Dir. 2017-01) Prohibited in areas with <60 cm soil depth
የአውሮፓ ህብረት Banned (2002) -
ብራዚል Approved for sugarcane (2021) Mandatory 500m crop buffers

Handling & Storage

  • ማሸግ: 25 kg moisture-proof bags with inner liner.

  • ማከማቻ: Secure, ventilated area; separate from food/feed.

  • Spill Response: Contain with absorbent material; collect in sealed containers.

  • ማስወገድ: Incinerate at licensed facilities (>1,000°C) .

የሚጠየቁ ጥያቄዎች

Q: Can tebuthiuron be used near water?
መ፡ No – groundwater contamination risk; 100m buffer required from aquatic systems .

Q: How to remediate contaminated soil?
A: Activated charcoal (1–2% w/w) or microbial remediation (Pseudomonas spp.) over 6–12 months .

Q: Alternatives for eco-sensitive areas?
መ፡ ወደ ቀይር indaziflam (lower persistence) or mechanical/thermal weeding.

⚠️ Compliance Notice:
ይህ ምርት ነው highly regulated due to environmental persistence. Always:

  1. Conduct soil percolation tests before application.

  2. Consult local groundwater vulnerability maps.

  3. ማቆየት። detailed application records for auditing.

አርማ

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