Canada to OK Bayer's spiroxamine
The Canadian Pest Management Regulatory Agency (PMRA) has proposed the full registration of Bayer CropScience's fungicide, Impulse 500 EC (spiroxamine), for the control of powdery mildew (Uncinula necator) on grapevines. The product will address a high priority disease as identified by Canadian growers and offers a new mode of action for resistance management, the PMRA notes. Spiroxamine was introduced in Europe for use on grapevines and cereals in the 1990s. It is sold around the world under various trade names including Impulse and Prosper. Bayer introduced spiroxamine in the US, as Accrue, for use on hops in 2004. The Canadian approval decision is open to public comment until June 22nd.