1. DNA’s Inhibit mitosis– primarily in the roots Inhibit mitosis– primarily in the roots Differences in water solubility Differences in water solubility Surflan 2.5 ppm Surflan 2.5 ppm Pendulum 0.5 ppm Pendulum 0.5 ppm Barricade 0.013 ppm Barricade 0.013 ppm

2. Paraquat / Gramoxone SL Fast acting contact foliar Fast acting contact foliar Restricted use Restricted use Highly toxic if swallowed Highly toxic if swallowed

3. Gallery T&V Disrupts root and hypocotyl development Disrupts root and hypocotyl development Water solubility 1 ppm Water solubility 1 ppm Broadleaf killer only Broadleaf killer only

4. Kerb SC Inhibits mitosis– little foliar uptake Inhibits mitosis– little foliar uptake Restricted use Restricted use Water solubility 15 ppm Water solubility 15 ppm

5. Plant Hormone Mimics 2, 4– D 2, 4– D Garlon 3A Garlon 3A Stinger Stinger

6. Garlon 3A Directed spray applications Directed spray applications Dougs more susceptible to damage than true firs Dougs more susceptible to damage than true firs Is one of the components of Crossbow Is one of the components of Crossbow

7. Spotted Catsear

8. Stinger Do not apply to first year transplants Do not apply to first year transplants Can apply over the top Can apply over the top Good on Canada thistle, clovers Good on Canada thistle, clovers

9. Canada Thistle

10. Goal 2XL Contact activity with wide rate range Contact activity with wide rate range Water solubility 0.1 ppm Water solubility 0.1 ppm Good tank mix partner Good tank mix partner Goaltender Goaltender

11. Sureguard WDG Same mode of action as Goal 2XL Same mode of action as Goal 2XL Weed spectrum may be bigger Weed spectrum may be bigger Good residual Good residual 8 to 12 ounces per acre 8 to 12 ounces per acre

12. Glyphosate Products Roundup Weather Max, Roundup Powermax,Accord Concentrate Roundup Weather Max, Roundup Powermax,Accord Concentrate Razor, Glyphomax, Buccaneer, Mirage, Glystar………………and on and on…… Razor, Glyphomax, Buccaneer, Mirage, Glystar………………and on and on……

13. Asulox Inhibits mitosis Inhibits mitosis Foliar activity Foliar activity Used for Bracken fern control Used for Bracken fern control

15. Horsetail

16. Axiom DF 24(c) label 24(c) label Water solubility 56 ppm Water solubility 56 ppm Interferes with meristematic tissue Interferes with meristematic tissue Needs a tank mix partner Needs a tank mix partner

17. Westar Premix of Oust and Velpar DF Premix of Oust and Velpar DF Supplemental label for OR & WA Supplemental label for OR & WA OK on new seedlings after one rain OK on new seedlings after one rain

18. Westar results

21. Problem Weeds Bracken fern Bracken fern Glyphosate 2% Glyphosate 2% Asulox Asulox Wild carrot or Queen Anne’s Lace Wild carrot or Queen Anne’s Lace Cultivation Cultivation Mowing Mowing Westar, Sureguard Westar, Sureguard

22. Problem Weeds Fine Fescues Fine Fescues moderate control with glyphosate moderate control with glyphosate 2%, spray to wet 2%, spray to wet Better pre-emergent control with Pendulum or Axiom Better pre-emergent control with Pendulum or Axiom Woody species Woody species Garlon 3A on Scotch broom and Himalayan or Evergreen blackberries (use glyphosate on trailing BB) Garlon 3A on Scotch broom and Himalayan or Evergreen blackberries (use glyphosate on trailing BB)

23. Problem Weeds Woody Species Woody Species Glyphosate on deciduous brush Glyphosate on deciduous brush 1.5-2 % with 0.5% non-ionic surfactant, spray fully leafed out foliage to wet 1.5-2 % with 0.5% non-ionic surfactant, spray fully leafed out foliage to wet Poison oak - 2% glyphosate on glossy, green leaves mid summer Poison oak - 2% glyphosate on glossy, green leaves mid summer Red Alder - both Garlon 3A and glyphosate are effective Red Alder - both Garlon 3A and glyphosate are effective Cottonwood - Garlon 3A Cottonwood - Garlon 3A

24. Problem Weeds Field bindweed Field bindweed glyphosate or Garlon 3A glyphosate or Garlon 3A burns back temporarily burns back temporarily Others Weeds of concern? Others Weeds of concern?

25. ANY QUESTIONS?