Cereals: Barley: Loose Smut (Ustilago nuda)

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

Table of Contents

1. Integrated Pest Management Options
   • Seed Treatment
• tebuconazole – Raxil T
• triadimenol – Baytan 30
• carbathiin + thiram – Vitaflo 280
• triticonazole + thiram – Gemini
2. Related links...

Integrated Pest Management Options

Infection occurs during flowering. Conditions that promote the disease are wet cloudy weather and moderate temperatures 16°C-22°C (60°F-72°F). Sow pedigree seed. Moist weather at flowering promotes this disease.

Seed Treatment

Use seed treatment on seed known to have high levels of infection.

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

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

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

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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Related links...

• Agronomy Guide for Field Crops - Publication 811
  • Cereal: Loose Smut
• Diseases
• Cereals

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