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What is the mode of action of Tenacity herbicide?

April 26, 2017Action herbicide mode tenacity

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What is the mode of action of Tenacity herbicide?

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Tenacity inhibits a plant enzyme called HPPD that is essential to photosynthesis and prevents formation of carotenoids in susceptible plant species. Without carotenoids, light energy and by-products of photosynthesis will destroy chlorophyll and cell membranes. This results in bleaching of leaves followed by necrosis and death of the plant.