Cereals: Barley: Fusarium Head Blight (Fusarium graminearum)


Pub 812: Field Crop Protection Guide > Chapter 4: Cereals > Barley: Fusarium Head Blight

Field Crop Protection Guide 2011-2012, Order 2011-2012 publication

Table of Contents

  1. Foliar, Stem and Head Diseases
      • metconazole - Caramba
      • prothioconazole + tebuconazole - Prosaro 250 EC
      • prothioconazole - Proline 480 SC
  2. Related links...

Foliar, Stem and Head Diseases

Fusarium head blight infecion in barley is often not as noticeable as in wheat, so examine developing heads carefully for bleached or tan spikelets. Avoid planting barley into corn residue. For more information, see FUSARIUM HEAD BLIGHT (Fusarium graminearum), on page 60.

 
Active ingredient metconazole
Trade name Caramba
Rate per hectare (product) 1 L per ha
Rate per acre (product) 0.4 L per ac
PHI* 30
Comments Provides suppression only. Ground and aerial application. Timing of application is critical. Apply at 20% flowering (Zadok's 61-63) using sprayer nozzles configured to provide excellent coverage of the cereal head. Use a minimum of 100 L/ha of water for ground application, 50 L/ha of water for aerial application. Maximum 1 application/yr. 5-day re-entry period.

 

 
Active ingredient prothioconazole + tebuconazole
Trade name Prosaro 250 EC
Rate per hectare (product) 800 mL per ha
Rate per acre (product) 324 mL per ac
PHI* 36
Comments Provides suppression only. Ground and aerial application. Timing of application is critical. For optimum suppression, apply as a preventative spray from when 70%-100% of the barley main stem heads are fully emerged to 3 days after full head emergence. Use a minimum of 100 L/ha of water for ground application, 50 L/ha for aerial application. Maximum 1 application/yr. 12-hr re-entry period.

 

 
Active ingredient prothioconazole
Trade name Proline 480 SC
Rate per hectare (product) 315-420 mL per ha
Rate per acre (product) 128-170 mL per ac
PHI* 30
Comments Provides suppression only. Ground and aerial application. Timing of application is critical. For optimum suppression, apply as a preventative spray from when 70%-100% of the barley main stem heads are fully emerged to 3 days after full head emergence. Maximum 2 applications/yr (735 mL/ha) with a minimum 7-day interval between applications. 24-hr re-entry period.


Related links...

 


For more information:
Toll Free: 1-877-424-1300
E-mail: ag.info.omafra@ontario.ca
Author: OMAFRA Staff
Creation Date: 2 May 2011
Last Reviewed: 17 May 2011