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
- Foliar, Stem and Head Diseases
- metconazole - Caramba
- prothioconazole + tebuconazole - Prosaro 250 EC
- prothioconazole - Proline 480 SC
- 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...