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Leafy Spurge Control Using Flea Beetles - W1183
Leafy spurge is an exotic perennial weed that infests over 800,000 acres in North Dakota. Although leafy spurge can be successfully controlled with herbicides, treating large acreages is not cost-effective. In fact, approximately 40 percent of the leafy spurge infested rangeland has a carrying capacity below the herbicide cost break-even point. Using biological agents to control leafy spurge has become an economic alternative in many locations in the state.
Located in Landing Pages / Crops
Leafy Spurge Identification and Chemical Control - W765
Leafy spurge (Euphorbia esula L.) is a widely established perennial weed in North Dakota, infesting approximately 990,000 acres of land in 2005 (North Dakota Department of Agriculture survey). The leafy spurge infestation in North Dakota seems to have peaked at about 1.5 million acres in 2000 and 2001. The decline thereafter has been a result of an effective control program initiated in the early 1980s. Prior to this control program, leafy spurge acreage doubled every 10 years from 1950 to 1985. Despite the decline in acreage, the widespread infestation continues to cost the state more than $75 million annually in lost production.
Located in Landing Pages / Crops
Organic Management of Canada Thistle (W1860)
This publication is a description of management options and methods for Canada thistle.
Located in Landing Pages / Crops
Perennial and Biennial Thistle Control - W799
Thistles are especially troublesome following cool, wet summers and falls, when seed production and seedling establishment are high. An integrated weed control program that combines chemical, cultural (such as crop rotation or grass competition), mechanical and biological methods is most likely to be successful.
Located in Landing Pages / Crops
Pesticide Use and Pest Management Practices in ND, 2012 - W1711
This is the ninth major account of pesticide usage inNorth Dakota and describes pesticide usage onagricultural land in 2012. The information is derived from a comprehensive survey of North Dakota farm operators.
Located in Landing Pages / Crops
Spotted Knapweed (Centaurea maculosa Lam.) - W842
Spotted knapweed is an aggressive, introduced weed species that rapidly invades pasture, rangeland and fallow land and causes a serious decline in forage and crop production. The weed is a prolific seed producer with 1000 or more seeds per plant. Seed remains viable in the soil five years or more, so infestations may occur a number of years after vegetative plants have been eliminated. Spotted knapweed has few natural enemies and is consumed by livestock only when other vegetation is unavailable. The plant releases a toxin that reduces growth of forage species. Areas heavily infested with spotted knapweed often must be reseeded once the plant is controlled.
Located in Landing Pages / Crops
The Thistles of North Dakota - W1120
Thistles in agriculture have a reputation as a sign of untidiness and neglect, and are often found on good ground not properly cared for. However, this unfortunate characteristic is only true of a few invasive species and is not accurate for the vast majority of native thistles which have many useful traits.
Located in Landing Pages / Crops
Weed Control in North Dakota Lawns - H1009
This publication discusses types of weeds, good weed management, herbicide use, and a list of effective herbicides for weed control in lawns.
Located in Landing Pages / Gardens, Lawns & Trees
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