Corn:
Helminthosporium Leaf Spot (Cochliobolus carbonum)
| Author: | OMAFRA Staff
| | Creation Date: | 04
July 2005 | | Last Reviewed: |
15 June 2009 |
Excerpt
from Chapter 1, Field Crop Protection Guide, Order
this publication Table of Contents - Integrated
Pest Management Options
- Related links...
Integrated Pest Management Options
Not generally a problem
in Ontario since resistant hybrids are available. Crop rotation and tillage will
reduce inoculum levels in surface residues. In reduced tillage systems, rotation
and resistance are necessary. Chemical control not usually economical in field
corn.
| | Tilt 250 E | Bumper
418 EC | propiconazole – Tilt 250
E, Bumper 418 EC | Active
ingredient | propiconazole | propiconazole | |
Trade name | Tilt 250 E | Bumper 418 EC | | Rate
per hectare (product) | 250-500 mL per ha | 150-300 mL per ha |
| Rate per acre (product) | 100-200
mL per ac | 60-121 mL per ac | Comments
Ground
and aerial application. Apply when disease first appears. Can be tank mixed with
Ripcord or Matador insecticide for insect and disease control. 14 days to harvest.
Related
links...
For more information:
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Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
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