
HERBICIDE – METSULFURON-METHYL 200G/KG
1. Composition
Active ingredient: Metsulfuron-methyl … 200 g/kg
Formulation: WG – Water-soluble granules
Mode of action: Post-emergence selective herbicide with strong systemic activity
2. Uses
Metsulfuron-methyl 200 g/kg is a post-emergence herbicide with selective and systemic activity, used to control broadleaf weeds and sedges in rice fields.
Broadleaf weeds group:
Barnyardgrass
Pigweed
Water spinach
Centella
Vietnamese coriander
Polygonum
Wild amaranth
Duckweed
Soapwort
Morning glory
Other broadleaf weeds
Sedge group:
Nutgrass
Cyperus
Sedge species
Others
3. Mode of action of Metsulfuron-Methyl 200g/kg
Metsulfuron-methyl belongs to the Sulfonylurea group and controls weeds by inhibiting the ALS enzyme (Acetolactate Synthase).
Detailed mechanism:
Absorbed through leaves and roots
Penetrates the meristem tissue of weeds
Blocks ALS – an essential enzyme for the synthesis of branched-chain amino acids (valine, leucine, isoleucine)
Stops cell division
Weeds weaken – leaves yellow – and die within 7–14 days
This mode of action allows the herbicide to kill both roots and stems, reducing weed regrowth.
4. Storage
Store in a cool, dry place, out of reach of children, and away from food and water sources.
Packaging must be disposed of according to regulations.
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Keep out of reach of children.
Do NOT eat, drink, or smoke while handling the product; do not store the product together with food or beverages.
When handling the pesticide:
Avoid inhalation and prevent contact with eyes, nose, and skin.
Wear appropriate personal protective equipment (PPE) such as protective clothing, gloves, mask, and safety goggles.
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