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Dry Edible Beans: 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 6: Dry Edible Beans > Pythium Damping-off

Excerpt from Chapter 6, Field Crop Protection Guide, Order this publication

Table of Contents

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

Integrated Pest Management Options

Can occur on all soil types but losses are greatest on wet, clay soils. Minimize soil compaction and remove excess moisture through increased drainage. Seed should be treated with metalaxyl or metalaxyl-M and planted into warm soils 16°C (60°F). Rotate 3-4 years between bean crops.

Due to anthracnose concerns, all seeds should be treated with DCT. See the section Anthracanose (Colletotrichum lindemuthianum), for more details.

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.

metalaxyl – Allegiance FL
  Allegiance FL Apron FL
Active ingredient metalaxyl metalaxyl
Trade name Allegiance FL Apron FL
Rate (product) 46-110 mL per 100 kg seed 46-110 mL per 100 kg seed

Comments
Do not graze or feed livestock on seeded area for 4 weeks after planting.

fludioxonil + metalaxyl-M – Apron Maxx RTA
Active ingredient fludioxonil + metalaxyl-M
Trade name Apron Maxx RTA
Rate (product) 325 mL per 100 kg seed

Comments
For both commercial seed treatment plants and on-farm treatment using standard gravity or myst-type seed treatment equipment. Compatible with Rhizobium-based inoculants. Check with inoculant manufacturers prior to use. Ensure uniform coverage.

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