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Monday, May 30th, 2016
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Weed and Pest Profiles: Soybean aphid


By Michael Cruse

Mon, Nov 9th, 2015
Posted in All Agriculture

Soybean aphids are a relatively new pest for Midwest agriculture and since their first sighting in Wisconsin in 2000 have been a significant problem for farmers. A native to eastern Asia, the soybean aphid shares many characteristics with other aphid species. They are relatively small, measuring around 1/16 of an inch or less, and get at their food source by piercing plant parts and sucking out carbohydrates and nutrients. A healthy, adult soybean aphid will appear lime green and excretes a honeydew substance which gives infested plants their sticky feel.

Soybean aphids have thrived in the temperate regions of the Midwest United States for a number of reasons. The host plants for soybean aphids, soybean and buckthorn, are present in abundance. Soybean is the soybean aphid’s primary summer food source and buckthorn is the species soybean aphids over winter on. Soybean aphids do not survive well when temperatures stay above 90 °F for prolonged periods or when there are prolonged periods of wet conditions. The growing conditions seen in our area this last year were perfect for multiple population explosions, making aphids increasingly difficult to manage. Their ability to reproduce asexually and to grow wings when populations are high, allows populations of soybean aphids to grow quickly and expand in range. And their natural predators are often not in high enough abundance to control aphid populations or simply are not present at all.

There are three ways that soybean aphids cause damage to soybean crops. First the removal of plant carbohydrates and nutrients leads directly to stunted growth and lower production. This damage can appear as a number of different symptoms, so be sure to properly scout your fields. The second source of damage comes from the excretions the aphids leave on the leaves. These excretions are not only annoyingly sticky but also provide a medium for sooty mold growth. This mold growth can lower photosynthetic rates again leading to lower yields. Finally, just like having a cut on your arm, the spots where the aphids pierced into the plant are avenues for infections. If the plant is weakened by nutrient loss and mold growth, they will be more susceptible to infections at these sites.

University of Minnesota Extension suggest using an integrated approach to controlling soybean aphid populations. While it may be instinctive to spray for aphids as soon as you see them, it is unlikely to be econ .....
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2015 4-H results

Mon, Nov 2nd, 2015
Posted in All Agriculture

Aggen, Garrett - BL, Class 13 - Division II Crossbred Barrow (273-277) Aggen, Hunter - Reserve Grand Champion Cow/Calf Pair; Champion Simmental Cow/Calf Pair; CH, Reg Simmental (Purebred & Foundation)-Cow/Calf Aggen, Hunter- PA, Class 15 - Cow ..... 
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What is a fair & profitable farm rental agreement?

By Michael Cruse

Mon, Nov 2nd, 2015
Posted in All Agriculture

Extension Educator for Fillmore and Houston Counties Negotiating a fair land rental agreement that satisfies both land owner and farmer is a challenge. While corn and soybean prices in 2014, 2015, and 2016 are significantly lower than recent reco ..... 
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Minnesota State Fair 2015 results

Mon, Nov 2nd, 2015
Posted in All Agriculture

Fillmore County had 90 youth participants and 11 chaperones for livestock. Fillmore County had 34 youth participants and 1 chaperone for general encampment. Fillmore County had four animals in the State Fair Auction (a dairy market goat, a dairy ..... 
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Pork checkoff announces recipients of the 2015 pork industry scholarships

Mon, Oct 12th, 2015
Posted in All Agriculture

The Pork Checkoff has awarded 21 scholarships to college students around the United States as part of its strategy to develop the pork industry’s human capital for the future. Recipients were selected based on scholastic merit, leadership activiti ..... 
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Pork producers serve military families through Snowball Express

Mon, Oct 12th, 2015
Posted in All Agriculture

A pork dinner with all the trimmings isn’t just a meal when pork producers volunteer with the Snowball Express, a charity that serves the children of America’s fallen military heroes. These dinners become food for the soul, providing hope and ha ..... 
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Minnesota myth buster

Mon, Oct 12th, 2015
Posted in All Agriculture

Whether visiting with consumers at the Minn. state fair’s “Oink” booth or meeting with celebrity chefs and bloggers in Japan, National Pork Board President Karen Richter is passionate about dispelling myths and misconceptions about how today ..... 
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Pork producers help Iowans recover from tornado

Mon, Oct 12th, 2015
Posted in All Agriculture

Crisis reveals character. When an EF-1 tornado hit the small town of Lake City, Iowa, on May 10, pork producers from Calhoun County and Webster County were among the first to volunteer to help those in need. “We wanted to do whatever we could to ..... 
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“Farmland” film features Minnesota pork producer

Mon, Oct 12th, 2015
Posted in All Agriculture

Hollywood has come to the Heartland, and Ryan Veldhuizen is welcoming the opportunity to shine the spotlight on modern livestock production through Farmland, a new feature-length documentary film. “Farming has always been in my blood, and it’s ..... 
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