Lessons From Leafy Spurge and Yellow Starthistle - NCAP

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PDF 5 pages 2 species by CAROLINE COX JOURNAL OF PESTICIDE REFORM/ SPRING 1998 ? VOL.18, NO. 1 Noxious weeds are non-native plants, mostly weeds of rangeland or pasture, that are classified under federal and state law as having negative impacts on agriculture. In many states, counties, and cities, control of noxious weeds is mandated by law.

Leafy spurge and yellow starthistle are examples of noxious weeds that are widespread in the Pacific Northwest. Both species are commonly found in disturbed areas, have characteristics that make them successful weeds, and have been difficult to manage with herbicides. For both of these weeds nonchemical management techniques are successful, including mowing, grazing, burning, mulching, seeding of desirable plants, and introduction of biological control agents.

What can leafy spurge and yellow starthistle teach us about management of noxious weeds in general? Seven important lessons emerge: 1) Noxious weeds have been with us for decades, and there is time to develop successful and sustainable management strategies; 2) A focus on eliminating the causes of weed problems is imperative, so that we create long-term solutions; 3) Biological control is a useful and cost-effective technique; 4) Management techniques need to include tools to reduce seed populations; 5) Encouragement of desirable vegetation is crucial; 6) Proper timing can maximize the effectiveness of nonchemical controls; and 7) Techniques must be appropriate for the treatment site.

Lessons From Leafy Spurge and Yellow Starthistle - NCAP
Nonchemical management of Noxious Weeds

References
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Geography: USA - All States, Canada - All Provinces
Regions impacted: (See related documents in region) Central Plains - Great Lakes - Mid Atlantic - Middle Atlantic - Middle West - Midwest - MidWestern - New England - Northeast - Northeastern - Northwest - Northwestern - Pacific - Pacific Alaska - Rocky Mountain South Atlantic - Southeast - Southern - Southwest

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