Inhibitors of the enzyme 4-hydroxphenylpyruvate dioxygenase (HPPD) prevent the formation of carotenoid pigments in plants, thereby causing chlorophyll degradation and bleaching. Through combination with a suitable safener, the full potential of these herbicides for selective weed control can be realized in a variety of crops including cereals, maize, and rice. The safeners increase the rate at which crops are able to degrade metabolically the herbicides without affecting the level of weed control, even in resistant biotypes. This presentation will describe the discovery and development at Bayer CropScience of new HPPD-herbicide and safener combinations for use in sustainable arable crop protection.

Inhibitors of 4-hydroxphenylpyruvate dioxygenase (HPPD) in combination with a safener: New herbicide solutions for modern sustainable agriculture

246th National Meeting (2013)

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