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Cereals: Wheat: Pythium Damping-Off (Pythium spp.)

Author: OMAFRA Staff
Creation Date: 04 July 2005
Last Reviewed: 28 July 2007
Pub 812: Field Crop Protection Guide > Chapter 5: Cereals > Wheat: Pythium Damping-Off

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

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  1. Integrated Pest Management Options
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Integrated Pest Management Options

Can occur on all soil types but losses are greatest in cold, wet, clay soils. Minimize soil compaction and remove excess moisture through increased drainage. Seed treatments containing metalaxyl or metalaxyl-M can reduce infection. Delay planting until conditions will result in a rapid and uniform emergence.

Seed Treatment
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.

metalaxyl-M – Apron XL LS
Active ingredient metalaxyl-M
Trade name Apron XL LS
Rate (product) 20-40 mL per 100 kg seed

Comments
Do not use in hopper-box, planter-box, slurry-box or other non-commercial seed treatment applications at or immediately before planting. Do not graze or feed livestock on seeded area for 4 weeks after planting. Read label for information regarding resistant strains of fungus.

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 + thiram – Raxil T
Active ingredient tebuconazole + thiram
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.

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