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Cereals: Barley: Covered Smut (Common Bunt) (Ustilago hordei)

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

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

Table of Contents

  1. Integrated Pest Management Options
  2. Related links...

Integrated Pest Management Options

Infection can occur at temperatures of 14°C-25°C (57°F-68°F), especially when the soil moisture levels are high. Seed treatment is the primarily method of control.

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

Comments
Do not graze or feed livestock on treated areas for 4 weeks after planting.

triadimenol – Baytan 30
Active ingredient triadimenol
Trade name Baytan 30
Rate (product) 50 mL per 100 kg seed

Comments
Spring Barley. Must be diluted with water prior to treatment of seed to ensure uniform coverage. Treated seed will sometimes emerge slower than untreated seed. Avoid late seeding of winter cereals. Do not graze or feed livestock on treated areas for 40 days after planting.

carbathiin + thiram – Vitaflo 280
Active ingredient carbathiin + thiram
Trade name Vitaflo 280
Rate (product) 230-330 mL per 100 kg seed

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

 

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