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The Colorado Department of Agriculture and Bayer Corporation are pleased to announce that Folicur 3.6F (EPA Reg. No. 3125-394) has been granted a Section 18 Emergency Exemption for use at the rate of 4 fl. oz (1.8 oz. a.i.)/Acre against red rust of sunflower in Colorado. The label states that the product should be applied to susceptible varieties at the earliest sign of rust pustules or when weather conditions are conducive for rust development. Repeat applications at 14-day intervals if necessary to maintain control of rust; apply in sufficient water (i.e., 20 gal/A by ground and a minimum of 5 gal/A by air) and surfactant for thorough coverage.
A maximum of 8 fluid ounces of Folicur may be applied per acre per year. Folicur may be applied up to 50 days before harvest. A maximum of 75,000 acres of sunflowers in Colorado may be treated. A rotational crop restriction of 120 days applies to crops not currently listed on the registered label; currently only peanut and grasses grown for seed are labeled. Since the emergency condition is dependent on weather favorable to disease development, final approval of the use of Folicur (tebuconazole) will be determined by the State's expert(s).