1. 2010 PEST MANAGEMENT UPDATE Forages, Pastures, and Invasive Plants Mark Renz Extension Weed Scientist Agronomy department University of Wisconsin-Madison

4. 100 ft

6. Buffer zones ½ mile ½ mile 300 ft Shelterbelt ¼ Section (160 A) A 300 ft wide buffer is what % a ¼ section?

7. Reduced control of alfalfa and other perennials with spring burndowns

11. WeedSoft estimates of early season yield loss 5% cover 30% cover

12. WeedSoft estimates of total season yield loss

15. Results from 2007-09 survey at PMU in Wisconsin 252-396 people

20. Winter annuals in alfalfa results 0.0 75.5 99.3 100.0 100.0 98.8 April Chickweed control c b a a a a ns ns 1.71 1.81 2010 1 st cut Tons dm/A c 0.0 c 15.0 Untreated Check b 86.8 bc 50.0 fl oz/a 4 Raptor a 97.5 a 100.0 oz/a 4 Chateau a 97.0 ab 90.0 oz/a 2 Chateau a 96.0 a 95.0 oz/a 4 Chateau+ Fertilizer a 96.8 ab 85.0 oz/a 2 Chateau + Fertilizer April Shep-purs control November Chickweed control

24. Example of Herbicide-treated Area (Sept.) © Dr. Kevin Bradley, University of Missouri

25. Example of Untreated Area (Sept.) © Dr. Kevin Bradley, University of Missouri

26. Treated Untreated

27. Location of cattle 0-4 MAT Treated -72% (2,718 fixes) Untreated -28% 969 fixes) © Dr. Kevin Bradley, University of Missouri

28. Comparison of Time Spent Grazing Herbicide-treated and Untreated Portions of a Pasture for 4 Months Following Application © Dr. Kevin Bradley, University of Missouri

30. Benefits of Increasing Grazing Height on Weed Suppression in Management-Intensive Rotational Grazing Systems in Wisconsin Marie Schmidt & Mark Renz Department of Agronomy University of Wisconsin-Madison

32. Methods

33. Burdock rosette density (plants/m 2 ) Arlington, WI

35. Legume establishment in Wisconsin after herbicides

46. SLIDE OF MANURE DIAGRAM

50. Prohibited Terrestrial Plants Present in Wisconsin * Restricted in parts of Wisconsin Kudzu Japanese hedge parsley* Japanese hops* Hairy willow herb* Japanese honeysuckle Japanese stilt grass Lyme grass or sand ryegrass* Hill mustard* European marsh thistle* Giant hogweed Giant knotweed Black swallow-wort* Amur honeysuckle* Celandine* Chinese yam Common names Scotch broom Sawtooth oak Sericea lespedeza Spreading hedge parsley Princess tree Mile-a-minute vine Pale swallow-wort Perennial pepperweed Poison hemlock* Tall or Reed manna grass* Wild chervil* Wineberry Yellow star thistle Porcelain berry Common name

51. Terrestrial restricted species Oriental bittersweet Phragmites, Common reed Plumeless thistle Purple loosestrife Russian olive Spotted knapweed Tansy Tartarian honeysuckle Tree-of-heaven Wild parsnip Common name Dame's rocket Cypress spurge Cut-leaved teasel Creeping bellflower Common teasel Common buckthorn Cattail hybrid Canada thistle Bells honeysuckle Autumn olive Common name Hemp nettle, brittlestem hemp nettle Helleborine orchid Glossy buckthorn Garlic mustard Flowering rush Japanese knotweed Narrow-leaf cattail Musk thistle Multiflora rose Morrow's honeysuckle Leafy spurge Common name

52. Step 1 : identify listed plants

54. QUESTIONS???