Product Q&A

Answer:

Celsius WG Herbicide is a selective herbicide with multiple modes of action that provide a broad spectrum of weed control. Celsius WG Herbicide controls weeds after they have germinated (post) and also has some residual activity that prevents new weed germination, depending on the specific weed.  Per the product label: Weed growth ceases within hours after application. Symptoms progress from yellowing to necrosis resulting in plant death within 1-4 weeks after application. The speed of symptom development varies with temperature and will be faster at warmer temperatures.  Two of the three active ingredients in Celsius WG Herbicide (thiencarbazone-methyl and iodosulfuron-methyl-sodium) inhibit acetolactate synthase (ALS). ALS is responsible for the synthesis of essential amino acids that are essential for plant growth. Inhibition of these amino acids stops weed growth.  Celsius WG Herbicide also contains dicamba, a benzoic acid herbicide that acts on the same biochemical site as the natural plant auxin, indole acetic acid (IAA)

Answer last updated on: 04/03/2017

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