1. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation
Spring Cereal
Moisture adequate for spring cereal grain production
Historically spring wheat yield is about 2/3 that of winter wheat
50 bu WW = 34 bu SW
$4.00/bu = $64 lost revenue
$8.00/bu =$128 lost revenue
$12.00/bu =$192 lost revenue

2. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation

3. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation
Winter Canola
Moisture available for stand establishment
Variety selection
Roundup Ready®
Traditional varieties
Herbicide selection for Downy Brome
Roundup ® GROUP 9
Assure II GROUP 1
Economic Return Comparison
wheat vs. canola

4. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation
Treatment
Yield
(lb/acre)
Gross Economic Return ($/ac) †
Winter Wheat
2,602 (43 bu)
355‡
Winter Canola
1,724
293
Level of Sign
0.01
0.05
† Wheat $8.18/bu Canola $0.17 /lb. Production cost are nearly equal and this does not include value of subsequent crop yet.
‡ Wheat would have to sell for $6.76/bu to equal Canola $0.17/ lb.

5. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation

6. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation

7. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation

8. CROP ROTATION: Management Strategies for a Downy Brome Infestation
agriculture
CROP ROTATION: Management Strategies for a Downy Brome Infestation