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Buckthorn keeps coming back


Sat, Dec 4th, 2010
Posted in Agriculture

Buckthorn is not the only invasive species we have in southeast Minnesota, but having seen and heard Angela Gupta, University of Minnesota Regional Extension Educator for Forestry, at both the Woodland Advisor-Tree ID class near Caledonia and the Small Farm U in Winona, it is the most talked about.

Most of the native trees and shrubs found in woodlots, fencerows, windbreaks and forest edges have lost their leaves. There is one exception; the leaves of common buckthorn are still green and clinging to the branches and twigs of the plants. The green leaves on large masses of buckthorn make it easy to see just how invasive this woody plant is.

Adding to its invasive qualities is the fact that it serves as an alternate host to crown rust of oats and as an overwintering site for the soybean aphid. Soybean aphids lay their last eggs of the season on buckthorn plants, leaving them to overwinter and hatch in the spring.

Common buckthorn has dark green leaves with curved main veins that remain green in the fall after other species have lost their foliage. The twigs are tipped with a short, sharp thorn and the female plants produce blue-black berries that have numerous seeds. The berries are toxic to humans but are readily eaten by birds and, having a laxative effect, the seeds are readily spread from place to place.

Late autumn and winter is an excellent time to control common buckthorn. It is easy to identify because of its green leaves and chemical treatments are more effective when the buckthorn plants are storing energy.

If there are only a few buckthorn plants and they are small enough, hand pulling is the best way to remove them. A tool such as a "Weed Wrench" can be used to remove buckthorn stems up to 2 ½ inches in diameter. If they are too numerous to pull or dig, the foliage can be sprayed with a product like Garlon 3A which is a Triclopyr amine formulation that is mixed with water or any of the Triclopyr products that are available from local sources (Bush-B-Gone, Brush and Stump Killer and others). Glyphosate (Roundup and similar products) can also be used for foliar applications on seedlings, but is non-selective and will kill all vegetation.

If the plants are too large for foliar application, cut them off at a height of six inches or less from the ground and treat the stumps with Triclopyr or Glyphosate to prevent resprouting. When using Triclopyr, treat only the cut surface using a wick applicato .....
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University of Minnesota Extension Forage Meetings

Sat, Nov 27th, 2010
Posted in Agriculture

Come and learn more about Corn Silage Research Results and current issues in forages on Monday, December 6, 2010, at the Good Times Restaurant in Caledonia or the Community Center in St. Charles. A morning program will be held in Caledonia, with reg ..... 
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Owner of Livestock Feedlot in Plymouth County, Iowa, to Pay $5,850 Penalty for Violating Terms of Discharge Permit

Wed, Nov 17th, 2010
Posted in Agriculture



(Kansas City, Kan., November 16, 2010) - The owner of a cattle and hog feedlot in Plymouth County, Iowa, has agreed to pay a $5,850 civil penalty to the United States to settle alleged violations of the facility's National Pollutant Discharge ..... 
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2010 Minnesota ag statistics

Fri, Nov 12th, 2010
Posted in Agriculture



The 2010 Minnesota Ag Statistics is out much earlier this year with the 2009 numbers. Many times in the past, it is the following spring before the information is compiled and published.

In addition to the traditional rankings of Min ..... 
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Do you need LGM/LRP?

Fri, Nov 12th, 2010
Posted in Agriculture



Those initials certainly didn't mean much when I first saw them; they stand for Livestock Gross Margin and Livestock Risk Protection Insurance. Livestock Gross Margin Insurance provides protection against the loss of gross margin (market val ..... 
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2010 DCP final payments

Fri, Nov 5th, 2010
Posted in Agriculture



Final DCP payments for 2010 participants have been issued. Producers who received an advance payment will be paid the balance they are due. Those who did not take an advance will be receiving their full payment amount. These payments will be ..... 
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Buckthorn keeps coming back

Fri, Nov 5th, 2010
Posted in Agriculture



Buckthorn is not the only invasive species we have in southeast Minnesota, but having seen and heard Angela Gupta, University of Minnesota Regional Extension Educator for Forestry, at both the Woodland Advisor-Tree ID class near Caledonia an ..... 
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Leiding sisters recognized in dairy showcase

Mon, Oct 25th, 2010
Posted in Agriculture

St. Paul, MN -- Haely Leiding of Fillmore County, placed 10th overall in the second year of the Minnesota 4-H Dairy Showcase. Her sister, Kayla Leiding, placed 14th overall in the second year of the Minnesota 4-H Dairy Schowcase. Twenty-five youth w ..... 
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Luther College to compete in Campus Conservation Nationals

Mon, Oct 25th, 2010
Posted in Agriculture

DECORAH, Iowa-Luther College will compete in Campus Conservation Nationals, Nov. 1-19, participating in the first real-time, nationwide electricity and water use reduction competition.

Luther students will compete against students from 40 le ..... 
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