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Soybeans: Fusarium Seedling Blight (Fusarium oxysporum or Fusarium solani)

Author: OMAFRA Staff
Creation Date: 04 July 2005
Last Reviewed: 28 July 2007
Pub 812: Field Crop Protection Guide > Pub 812: Soybeans > Fusarium Seedling Blight

Excerpt from Chapter 3, Field Crop Protection Guide, Order this publication

Table of Contents

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

Integrated Pest Management Options

Cool, wet spring conditions favour infection. Resistant varieties not available. Minimize soil compaction and remove excess moisture through increased drainage. A small amout of tillage will warm soil and increase surface drainage. Rotate with corn and wheat. Plant high quality seed when soil temperatures are above 13°C (55°F). Fungicide seed treatment recommended. Mounding or ridging soil at the base of the plants produces adventitious roots that can minimize losses.

Seed Treatment
fludioxonil – Maxim 480
Active ingredient fludioxonil
Trade name Maxim 480 FS
Rate (product) 5.2-10.4 mL per 100 kg seed

Comments
For commercial application only. Do not use in hopper-box, planter-box, slurry-box or other non-commercial seed treatment applications at or immediately before planting.

fludioxonil + metalaxyl – Apron Maxx RTA
Active ingredient fludioxonil + metalaxyl
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 mist-type seed treatment equipment. Compatible with Rhizobium-based inoculants. Check with inoculant manufacturers prior to use. Ensure uniform coverage.

carbathiin + thiram – Anchor
Active ingredient carbathiin + thiram
Trade name Anchor
Rate (product) 600 mL per 100 kg seed

Comments
Drill box application. Ensure uniform coverage on seed. Do not apply Anchor through commercial seed treating equipment or through an auger, as excessive seed wetness may result. Do not graze or feed livestock on treated areas for 4 weeks after planting.

carbathiin + thiram – Vitaflo 280
Active ingredient carbathiin + thiram
Trade name Vitaflo 280
Rate (product) 260 mL per 100 kg seed

Comments
Do not store treated soybean seed. May be applied through commercial seed treatment equipment or auger. Ensure uniform coverage.

diazinon + captan – Agrox B-2
Active ingredient diazinon + captan
Trade name Agrox B-2
Rate (product) 320 g per 100 kg seed

Comments
Available as a 2-kg container that will treat 625 kg of soybean seed. Use full rate and ensure good coverage of seed. Seed within 1 month of treatment. Do not use on seed already treated with an insecticide.

captan – Captan Flowable
Active ingredient captan
Trade name Captan Flowable
Rate (product) 280 mL per 100 kg seed

Comments
Mix with the amount of water required for the slurry treater equipment to be used.

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