Halosulfuron-methyl 75% WDG

Selective sulfonylurea herbicide with systemic activity. It is widely used for post-emergence control of sedges and certain broadleaf weeds in crops such as maize, turf, and some vegetables.

Active Ingredient

Formulation

Packaging

Halosulfuron-methyl

WDG

50~10,000 g/bag

25 kg/drum or bag

Customized packaging & labels available

Available Formulations12% OD

Technical Material (TC)95%, 98%

Combination FormulationsFlorasulam, Flucarbazone-sodium, Pretilachlor, Isoproturon, etc.

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Features

Highly effective on sedges (especially nutsedge) and controls some broadleaf weeds.

Stops weed growth by blocking the plant’s internal growth process, causing weeds to stop developing and gradually die.

Mainly used in maize, turf, and certain vegetables such as tomato (directed use).

Application Guide

Application Crops	Target Weeds	Recommended Application Rate	Application Timing
Vegetable Crops
Tomato, Pepper, Cucumber, Melon, Pumpkin, Squash, Asparagus, Beans	Yellow Nutsedge, Purple Nutsedge, Pigweed, Lambsquarters, Cocklebur, Morningglory, Smartweed, Purslane, Velvetleaf	35–70 g/ha	Apply pre-emergence, post-emergence, row-middle, or directed spray according to crop tolerance and local label. For post-emergence use, apply when weeds are small and actively growing.
Field Crops
Corn, Rice, Cotton, Grain Sorghum	Yellow Nutsedge, Purple Nutsedge, Pigweed, Cocklebur, Lambsquarters, Ragweed, Smartweed, Velvetleaf, Barnyardgrass, Broadleaf Signalgrass, Seedling Johnsongrass	35–105 g/ha	Apply pre-emergence or post-emergence according to crop and local label. For nutsedge, apply when sedges are actively growing; sequential application may be needed under heavy infestation.
Fruit Crops
Tree Nuts, Melons	Yellow Nutsedge, Purple Nutsedge, Pigweed, Lambsquarters, Morningglory, Cocklebur, Smartweed, Annual Broadleaf Weeds	35–105 g/ha	Apply as directed spray or row-middle treatment according to local label. Avoid direct contact with green bark, foliage, flowers, or fruit unless the local label specifically allows it.
Cash Crops
Sugarcane, Turfgrass, Fallow Ground, Non-crop Areas	Yellow Nutsedge, Purple Nutsedge, Kyllinga, Pigweed, Cocklebur, Morningglory, Lambsquarters, Ragweed, Smartweed, Velvetleaf, Annual Broadleaf Weeds	35–105 g/ha	Apply to emerged, actively growing weeds. For turfgrass, apply after nutsedge reaches the 3–8 leaf stage; repeat treatment may be needed 6–10 weeks later for regrowth.