Introduction

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How it Works:
The active ingredients prothioconazole and tebuconazole are demethylation inhibitors with broad-spectrum systemic
activity. To be used as a preventative fungicide application. For more information refer to “Fungicide Modes of Action” on
page 435.
Tank Mixes:
None registered.
Bayer CropScience supports the following mixes that are not on the Prosaro 250 EC label. Apply mixes according to the most
restrictive use limitations for either product:
• Insecticides: Lorsban
Restrictions:
• Resistance management: Refer to page 434.
• Maximum number of applications: DO NOT exceed 1 application of this product per season.
• Grazing: DO NOT allow livestock to graze or feed green forage to livestock prior to 6 days after treatment with
Prosaro 250 EC fungicide. Straw cut after harvest may be fed or used for bedding.
• Preharvest interval: 36 days
• Re-entry: DO NOT re-enter treated fields until 12 hours post-application.
• Re-cropping: Treated areas may be replanted with any crop specified on the label as soon as practical after
application. For oat and soybean, DO NOT plant back within 30 days of application. For all other crops, DO NOT
plant back until 120 days after application. Tebuconazole is persistent and will carryover. It is recommended that any
products containing tebuconazole not be used in areas treated with this product during the previous season.
• Storage: DO NOT store in or around the home. DO NOT store at temperatures below freezing. Keep in original tightly
closed container and store away from feeds, seeds, fertilizer, plants and food stuffs. Keep away from sources of heat.
Shake well before using if stored for more than 1 year. DO NOT contaminate water, food, or feed by storage or disposal.
• Environment: Toxic to birds, small wild animals, aquatic organisms, and non-target plants. As this product is not
registered for the control of pests in aquatic systems, DO NOT use to control aquatic pests. DO NOT apply to water, or
to areas where surface water is present or to intertidal areas below the mean high water mark. Runoff is hazardous to
aquatic organisms in neighbouring areas. To reduce runoff from treated areas into aquatic habitats, avoid application
to areas with a moderate to steep slope, compacted soil, or clay. Contamination of aquatic areas as a result of runoff
may be reduced by including a vegetative strip between the treated area and the edge of the water body. Follow
buffer zones as per the product label.
Foliar Fungicides
Hazard Rating:
Danger Eye irritant
Caution – Skin irritant
For an explanation of the symbols used here see page 4.