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| Herbicides Post Emergents View list of all Pesticides
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| Pesticide Classification | |||
|---|---|---|---|
| _X Herbicide | __ Fungicide __ Bactericide |
__ Insecticide/Miticide __ Molluscicide __ Repellent |
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| Properties | Properties | Properties | |
| _X Selective __ Non-selective __ Pre-emergent _X Post-emergent _X Systemic __ Contact |
__ Broad Spectrum __ Specific __ Systemic __ Non-systemic __ Protectant __ Eradicant |
__ Synthetic __ Biological __ Oil __ Soap __ Botanical __ Other |
__ Broad-spectrum __ Specific __ Systemic __ Non-systemic __ Contact poison __ Stomach poison __ Other |
Common Brand Names:
| Sedgehammer (Manage*) |
Chemical Action and Usages: Sedgehammer (active ingredient halosulfuron-methyl) is a selective, post emergence herbicide for the control of sedges such as purple and yellow nutsedge (often referred to as water grass or nut grass) in established lawns, ornamental turf grass and landscaped areas and on other non-crop sites including golf courses, sports fields, public recreation areas and school grounds. *Monsanto Manage was the original brand name of this product. Sedgehammer is available as a WDG (water dispersible granule) in a .09 gram packet that makes 1-2 gallons of spray that should cover a 1,000 sq. ft. area. It is also available in a 1.3 oz. commercial size bottle with a scoop to measure out .09 grams for each 1-2 gallons of finished product you wish to make. Best control is obtained when treating the sedges when they are growing actively and when they are in the middle of your mowing cycle (approximately 2-3 days after mowing and 2-3 days before mowing again). The immediate effect is that the nutsedge will cease growing and the chemical will be translocated to the roots of the plant with complete death in about two weeks. Best results are also obtained when adding a surfactant (spreader sticker) to the spray mixture.
Cautions/Instructions: Read the label carefully and apply the product according to the directions on the label. Avoid application of this product when turf grass or nutsedge is under stress since turf injury and poor nutsedge control may result. Do not apply when rainfall or irrigation is expected within four hours.
Toxicity: Relatively low toxicity to humans and domestic animals orally or by inhalation, but may cause eye irritation.
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