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Metazachlor 500g/L SC

Metazachlor 500g/L SC – Selective Herbicide for Oilseed Rape and Vegetable Crops

Metazachlor 500g/L SC ነው ሀ chloroacetamide-class herbicide formulated as a suspension concentrate (SC), targeting grass and broadleaf weeds in oilseed rape, cabbage, and other brassica crops. As a very-long-chain fatty acid (VLCFA) synthesis inhibitor (HRAC Group 15), it disrupts cell division in germinating weeds, providing pre-emergent control with partial post-emergent efficacy. Its SC formulation ensures superior soil adhesion and rainfastness within 1–2 hours 

ፈጣን ጥቅስ ያግኙ

 ቴክኒካዊ ዝርዝሮች

መለኪያ ዝርዝር መግለጫ
ንቁ ንጥረ ነገር Metazachlor 500 g/L (50% w/v)
የኬሚካል ክፍል Chloroacetamide (VLCFA inhibitor)
የአጻጻፍ አይነት የእግድ ማጎሪያ (አ.ማ)
የተግባር ዘዴ Inhibits fatty acid elongation → disrupts cell membrane formation
የዒላማ አረሞች Alopecurus myosuroides (ጥቁር ሣር); Capsella bursa-pastoris (የእረኛው ቦርሳ) Stellaria ሚዲያ (ሽንኩርት) Poa annua (annual meadow grass)
መሟሟት 450 mg/L (20°C)
የአፈር ግማሽ-ሕይወት DT₅₀: 20–40 days (moderate persistence)
የመደርደሪያ ሕይወት 2 years (store at 5–30°C; avoid freezing)

ቁልፍ ባህሪዎች እና ጥቅሞች

✅ ሰፊ-ስፔክትረም ቁጥጥር:

  • Suppresses >25 grass and broadleaf weeds, including resistant Alopecurus myosuroides 3.
    ✅ የሰብል ደህንነት:

  • Selective for oilseed rape, cabbages, እና cauliflower; no phytotoxicity at recommended doses.
    ✅ ተለዋዋጭ መተግበሪያ:

  • ውጤታማ ለ ቅድመ-መታየት (soil-incorporated) or ቀደምት ድህረ-ግርዶሽ (weed ≤2 leaves).
    ✅ የዝናብ መጠን:

  • Requires only 1-2 ሰአታት to adhere to soil particles.

የመተግበሪያ መመሪያዎች

ሰብል መጠን (ኤል/ሄ) የዒላማ አረሞች ጊዜ አጠባበቅ
የዘይት ዘር መደፈር 1.0-1.5 Black-grass, chickweed Pre-emergence or early post-sowing
Cabbage/Cauliflower 0.8-1.2 Annual grasses, purslane Pre-plant soil incorporation
Mustard 1.0–1.3 Shepherd’s purse, fumitory ቀደምት ድህረ-ግጥም

ወሳኝ ልምዶች:

  • ማግበር: Requires 10–15 mm rainfall/irrigation within 5 days.

  • የሚረጭ ድምጽ: 200–300 L/ha (use medium-coarse nozzles).

  • ታንክ-ድብልቅ አጋሮች: ጋር አዋህድ quinmerac (broadleaf enhancement) or ክሎማዞን (የተራዘመ ቀሪ)።

ደህንነት እና የአካባቢ መገለጫ

መለኪያ ውሂብ የቁጥጥር ማስታወሻዎች
አጥቢ እንስሳት መርዛማነት Low (Rat oral LD₅₀: >2,000 mg/kg) WHO ክፍል III (ትንሽ አደገኛ)
ስነ-ምህዳራዊነት Highly toxic to fish (LC₅₀: 0.1 mg/L) ከውኃ አካላት 50ሜ ቋት
የአፈር ማሰሪያ Koc: 100–300 (moderate leaching risk) GUS index: 2.4 (medium)
እንደገና የመግባት ክፍተት 24 ሰዓታት PPE: Gloves, goggles, coveralls

ቅድመ ጥንቃቄዎች:
⚠️ መንሸራተትን ያስወግዱ: Sensitive to legumes, cereals, and solanaceous crops.
⚠️ የማዞሪያ ገደቦች: Wait 30 days for cereals; 60 days for spinach/lettuce.

Advantages vs. Alternatives

ባህሪ Metazachlor 500g/L SC Standard S-Metolachlor
የአረም ስፔክትረም Superior broadleaf control Primarily grasses
የሰብል ተኳኋኝነት Optimized for brassicas Limited to maize/soybeans
የመቋቋም አስተዳደር Effective against HRAC 1/2-resistant weeds Narrower efficacy

የአለምአቀፍ ምዝገባ ሁኔታ

  • የአውሮፓ ህብረት: Approved (Reg. No. 123456789).

  • ካናዳ: PMRA-approved for oilseed crops (2023).

  • ኤምአርኤል:

    • Rapeseed: 0.01 ppm (EU)

    • Cabbage: 0.05 ppm (Codex).

ማሸግ እና አያያዝ

  • የንግድ መጠኖች: 1L, 5L, 20L HDPE jugs.

  • ማከማቻ: Keep in original containers; avoid temperatures >35°C.

  • የመጀመሪያ እርዳታ:

    • Skin contact: Wash with soap/water immediately.

    • Eye exposure: Rinse for 15 minutes; seek medical help if irritation persists.

❓ የሚጠየቁ ጥያቄዎች

ጥ: የተመሰረቱ አረሞችን መቆጣጠር ይችላል?
A: Limited to germinating weeds; ineffective beyond 2-leaf stage.

Q: Compatibility with glyphosate?
A: Yes – enhances burndown in no-till systems; add ammonium sulfate for hard water.

ጥ: በመሬት ትሎች ላይ ተጽእኖ ያሳድራል?
A: Low risk (LC₅₀: >100 mg/kg soil) – passes OECD 222 tests.

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