Farm Talk

Crops

May 30, 2012

MU Website helps ID common weeds

Parsons, Kansas — When weeds invade your field, pasture, garden or lawn, you want to use the right weapon for fighting back.

“Proper identification of weeds is important so that you choose an appropriate and cost-effective method of control,” said Kevin Bradley, University of Missouri Extension weed scientist.

There are hundreds of common weed species in Missouri, but an online tool from the MU Weed Science program can help you narrow your list of suspects.

The MU Weed ID Guide—available in desktop and mobile versions at weedID.missouri.edu and weedID.missouri.edu/mobile—has information on more than 400 plant species that can show up as weeds of field and horticultural crops, pastures, lawns, gardens, and noncrop or aquatic areas in Missouri and surrounding states, Bradley said.

“The Website has a keying system that allows users to identify an unknown plant after they have selected the appropriate characteristics from a series of drop-down boxes,” he said.

Pop-up illustrations help the user identify more obscure characteristics such as the presence of ligules, auricles and petioles.

“If you have some idea as to what your weed species might be, you can simply type all or part of the common or scientific name into the appropriate text box,” Bradley said.

Once you’ve narrowed the possibilities to a reasonable number of candidates, the site will display the names and photos of weeds that match the characteristics you selected, with links to more information about each plant.

Bradley said an improved mobile version of the Website is in the works that will better match the usability of apps for smartphones and tablet computers.£

 

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Crops
  • wheat_freeze_lodging.jpg Freeze could damage some Kan. wheat

    The hard freeze throughout Kansas in the early morning hours of April 15, could cause some damage to wheat, said Jim Shroyer, K-State Research and Extension crop production specialist. Wheat in the jointing stage is most at risk, he said.

    April 22, 2014 1 Photo

  • cornplantlatemay2.jpg WASDE report eases low crop price fears

    USDA’s April 9 World Agricultural Supply and Demand Estimates continued a series of recent reports that have offered corn and soybean producers a more optimistic grain-price outlook than what was expected for most of the winter, Purdue Extension agricultural economist Chris Hurt says.

    April 15, 2014 1 Photo

  • USDA: Corn acres expected to drop 4%

    The amount of American cropland devoted to corn is expected to shrink about 4 percent this year as farmers devote more acres to soybeans, the U.S. Department of Agriculture said last week.

    April 8, 2014

  • Bt-resistant rootworms ID’d in five states

    Researchers say bugs are developing resistance to the widely popular genetically engineered corn plants that make their own insecticide, so farmers may have to make changes.

    April 1, 2014

  • MU economist: Corn, bean price volatility next 5 years

    Expect volatility in the soybean and corn markets over the next five years, said Pat Westhoff, director of the University of Missouri Food and Agricultural Policy Research Institute (MU FAPRI).
    Look for corn prices to drop to $4 per bushel and soybean to $10 per bushel on average for the next five years, he said.

    March 25, 2014

  • marestail.jpg Plan now to control marestail in soybeans

    Controlling marestail in soybeans has been a big challenge for Kansas no-till producers in recent years.
    Because soybeans are generally planted later in the season, and marestail generally germinates in the fall or early spring, application timing and weed size are critical factors to successful control.

    March 18, 2014 1 Photo

  • Checking alfalfa for winter injury

    In the last couple of weeks, I’ve heard many concerns about alfalfa production for this spring.
    Cold temperatures and lack of snow cover are the two main issues producers are worried about for next season’s crop production, as certainly the alfalfa plant could die if exposed to extremely cold temperatures. In general, alfalfa plants can tolerate up to three weeks of winter injury before the plants are killed.

    March 11, 2014

  • soypods.jpg USDA reports on status of GE crops

    Genetically engineered (GE) varieties with pest management traits became commercially available for major crops in 1996.
    More than 15 years later, adoption of these varieties by U.S. farmers is widespread and U.S. consumers eat many products derived from GE crops — including corn-meal, oils, and sugars — largely unaware that these products were derived from GE crops.

    March 4, 2014 1 Photo

  • wheat-head.jpg Everest still leads Kan. wheat acres

    For the second year in a row, a variety of wheat developed by Kansas State University, is the leading variety in Kansas.

    February 25, 2014 1 Photo

  • RickReimer.jpg Innovation, exports fuel soybean demand

    Brent Hayek is revved up about potential new uses for soybeans, and he is piling up the miles to share his enthusiasm.

    February 18, 2014 2 Photos

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