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WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE. Herbicide Trial 2008.

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Presentation on theme: "WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE. Herbicide Trial 2008."— Presentation transcript:

1 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE

2 Herbicide Trial 2008

3 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE WSP Grasses Variety Big Bluestem Niagara Coastal Panicgrass Atlantic SwitchgrassCave-in-Rock Indiangrass Nebraska 54 Eastern Gamagrass Pete

4 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Planted –June 3, 2008 PRE treatments – June 10 Mowed – July 21 POST treatments – August 5 Evaluations: % Injury – August 20 % Stand – October 24 % Stand – October 24

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6 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Injury – 8/20/08 HerbicidesAmt/ABBCPSWINGG AAtrex PRE 1 qt AAtrex PRE 2 qt AAtrex POST COC 1.5 qt 1.25 % LSD (0.05)

7 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Injury – 8/20/08 HerbicidesAmt/ABBCPSWINGG PermitCOC 0.67 oz 1.25 % Cimarron* 0.1 oz Outrider* 1.33 oz LSD (0.05) * Applied with 0.25% NIS.

8 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Injury – 8/20/08 HerbicidesAmt/ABBCPSWINGG Pursuit DG* 1.44 oz PlateauNIS 6 fl oz 0.25 % Paramount* 8 oz LSD (0.05) * Applied with 1.25% COC and 2.5% UAN 28%.

9 Herbicide Trial 2008

10 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Stand – 10/24 HerbicidesAmt/ABBCPSWINGG AAtrex PRE 1 qt AAtrex PRE 2 qt AAtrex POST COC 1.5 qt 1.25 % Untreated LSD (0.05)

11 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Stand – 10/24 HerbicidesAmt/ABBCPSWINGG PermitCOC 0.67 oz 1.25 % Cimarron* 0.1 oz Outrider* 1.33 oz Untreated LSD (0.05) * Applied with 0.25% NIS.

12 WARM SEASON PERENNIAL GRASS HERBICIDE TOLERANCE Rate % Stand – 10/24 HerbicidesAmt/ABBCPSWINGG Pursuit DG* 1.44 oz PlateauNIS 6 fl oz 0.25 % Paramount* 8 oz Untreated LSD (0.05) * Applied with 1.25% COC and 2.5% UAN 28%.

13 Herbicide Trial 2008


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