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Cereals: Oats: Septoria Leaf Spot (Septoria tritici)

Author: OMAFRA Staff
Creation Date: 04 July 2005
Last Reviewed: 28 July 2007
Pub 812: Field Crop Protection Guide > Chapter 5: Cereals > Oats: Septoria Leaf Spot

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

Table of Contents

  1. Leaf, Stem and Head Diseases
  2. Related links...

Leaf, Stem and Head Diseases

Avoid planting oats after oats or mixed grain. Humid, wet, windy weather promotes disease.

propiconazole – Tilt 250 E
Active ingredient propiconazole
Trade name Tilt 250 E
Rate per hectare (product) 500 mL per ha
Rate per acre (product) 200 mL per ac

Comments
Ground and aerial. Apply at early signs of disease from tillering to head half emerged. 45 days to harvest.

propiconazole – Bumper 418 EC
Active ingredient propiconazole
Trade name Bumper 418 EC
Rate per hectare (product) 300 mL per ha
Rate per acre (product) 121 mL per ac

Comments
Ground and aerial application. Apply at early signs of disease from tillering to head half emerged. Can be tank mixed with several cereal herbicides. 45 days to harvest.

trifloxystrobin + propiconazole – Stratego 250 EC
Active ingredient trifloxystrobin + propiconazole
Trade name Stratego 250 EC
Rate per hectare (product) 500 mL per ha
Rate per acre (product) 200 mL per ac

Comments
Ground and aerial application. Maximum of 2 applications per year. Do not apply the second application within 14 days of the first. Apply only up to flag leaf fully emerged stage (Zadok's 39). Do not apply at boot stage (Zadok's 47) and beyond. 45 days to harvest.

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