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Canada
Thistle Control in Roundup Ready Canola 2002-04 (2004)
Table.
Canada thistle control in Roundup Ready canola (2002-04).
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Application
Timing
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3-4
leaf
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5-6
leaf
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0-2
leaf/ 5-6 leafa
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Cath
density
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Cath
density
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Cath
density
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Treatment
b,c
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Rate
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Canola
2002
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Durum
2003
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Canola
2004
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Canola
2002
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Durum
2003
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Canola
2004
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Canola
2002
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Durum
2003
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Canola
2004
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lb ae
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plants/plot
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plants/plot
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plants/plot
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Glyphosate
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0.38
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453
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93
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30
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623
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42
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13
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356
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54
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22
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Glyphosate
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0.56
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814
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77
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45
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376
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12
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12
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544
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68
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34
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Glyphosate
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0.75
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508
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43
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97
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719
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33
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44
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516
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56
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20
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Stinger
+
Assure II
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0.5
pt +
10 oz
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631
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36
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73
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Weedy
check
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414
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105
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21
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aThe
0-2 leaf application was at the indicated rate, the 5-6 leaf application was at
0.38 lb ae.
bRoundup
Ultra Max was applied with AMS at 2.5 gal/100 gal to canola in 2002 and 2004.
cCurtail was applied |