2010-06-24_PERMIT FILE - C1994082

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 6/24/2010
• Doc Name: Weed Managment Plan
• Section_Exhibit Name: Tab 22 Appendix 22-4
• Media Type: D
• Archive: No

Table 2
Herbicides to Control Downy Brome and Japanese Brome at Mine Sites
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0
Source: Downy Brome (Bromus tectorum) and Japanese Brome (Bromus japonicas) Biology and
Management, K. George Beck, Professor of Weed Science, Dept. of Bioagricultural Sciences and Pest
Management, Colorado State University.
MR -68
2 -1
Revised 05110
Rate
Herbicide
(Product/Ac)
Application Timing
Comment
Plateau
6 to 12 fl oz/ac
Mid - summer into early
Use higher rates (10 to
fall as a preemergence
12 fl oz/ac) for dense
or early postemergence
stands or where litter is
application
abundant; 6 to 8 fl oz/ac
are typical use rates.
Include a methylated
seed oil at 1 pt/ac. Can
be used on any location
at a mine site including
during reclamation.
Roundup
12 to 24 fl oz/ac
Late winter for best
Use lower rates (12 to
selectivity; fall, winter,
16 fl oz/ac) for smaller
or spring if selectivity
downy brome and up to
not an issue(e.g. brome
24 fl oz/ac for plants 12
monocultures with no
inches tailor more. Can
other plants present)
be used on any location
at a mine site including
during reclamation.
Journey
16 fl oz/ac
Late winter for best
Include a methylated
selectivity; fall, winter,
seed oil at 1.5 to 2 pt/ac.
or spring if selectivity
Can be used on any
not an issue(e.g. brome
location at a mine site
monocultures with no
including during
other plants resent )
reclamation
Matrix
3 to 4 oz/ac
Fall as a preemergence
Use higher rate for most
or postemergence
situations, especially for
application or
large plants. Include a
postemergence in late
non -ionic surfactant at
winter into spring.
0.25% v /v, which is
equivalent to 1 qt of
surfactant per 100
gallons of spray
solution. Can be used
on any location at a
mine site including
during recl amation
Landmark XP
0.75 to 1.5 oz/ac
Fall as a preemergence
Include a non -ionic
or postemergence
surfactant at 0.25% v /v,
application or
which is equivalent to I
postemergence in late
qt of surfactant per 100
winter into spring.
gallons of spray
solution. Can be used
on any location at a
mine site including
during reclamation
Source: Downy Brome (Bromus tectorum) and Japanese Brome (Bromus japonicas) Biology and
Management, K. George Beck, Professor of Weed Science, Dept. of Bioagricultural Sciences and Pest
Management, Colorado State University.
MR -68
2 -1
Revised 05110