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Cereals: Oats: Covered Smut (Common Bunt) (Ustilago kolleri), Loose Smut (Ustilago avenae)

Author: OMAFRA Staff
Creation Date: 04 July 2005
Last Reviewed: 28 July 2007
Pub 812: Field Crop Protection Guide > Chapter 5: Cereals > Oats: Covered Smut (Common Bunt), Loose Smut

Excerpt from Chapter 5, Field Crop Protection Guide, Order this publication

Table of Contents

  1. Seed and Seedling Diseases
  2. Related links...

Seed and Seedling Diseases

Spread from year to year primarily through infected seed. Wind-blown spores will infect florets with season.

Seed Treatment

Use a fungicide seed treatment on infected seed.

carbathiin + thiram – Vitaflo 280
Active ingredient carbathiin + thiram
Trade name Vitaflo 280
Rate (product) 330 mL per 100 kg seed

Comments
Do not graze or feed livestock on treated areas for 6 weeks after planting.

difenoconazole + metalaxyl-M – Dividend XL RTA
Active ingredient difenoconazole + metalaxyl-M
Trade name Dividend XL RTA
Rate (product) 325-650 mL per 100 kg seed

Comments
For both commercial seed treatment plants and on-farm treatment using standard gravity flow- or mist-type seed treatment equipment. May also be used in treat-on-the-go seeder. Do not graze, feed green forage or cut for hay within 35 days of planting.

triticonazole + thiram – Gemini
Active ingredient triticonazole + thiram
Trade name Gemini
Rate (product) 360 mL per 100 kg seed

Comments
For both commercial seed treatment plants and on-farm treatment using standard gravity flow or mist type seed treatment equipment. May also be used in treat-on-the-go seeder. Do not use seed for food, feed or oil processing.

tebuconazole – Raxil T
Active ingredient tebuconazole
Trade name Raxil T
Rate (product) 225 mL per 100 kg seed

Comments
For loose smut control only. Do not graze or feed livestock on treated areas for 4 weeks after planting.

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