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    Crop Protection and Seed Solutions Fighting weed resistance

    Fighting weed resistance

    Overreliance on a single herbicide can cause resistant weeds to develop. This puts the ability to grow a crop in a specific field in jeopardy. When resistant weeds develop, farmers face the additional costs required to control them—unplanned herbicide applications, intense manual labor, and in extreme cases, total crop loss.  

    Integrated Weed Management (IWM) practices help to preempt these issues and result in successful management of resistant weed populations. These include regular rotation of pesticides with different modes of action. By featuring a unique mode of action, Glufosinate-ammonium is ideal for use in rotation with broad spectrum-herbicides such as the commonly-used Glyphosate.

    Glufosinate-ammonium as part of the solution

    Weeds compete with crops for soil nutrients, moisture, sunlight, carbon dioxide and space. This weakens the crops and considerably reduces the quality and volume of yields. They are also hosts for insects and diseases, and decrease the efficiency of fertilizer use and irrigation systems. Weeds resistant to commonly used herbicides are becoming an increasingly serious problem in many agricultural regions of the world.

    A survey conducted in the US in 2013 showed that 51 % of farmers representing 71 million acres of row crops in the US say they have Glyphosate resistance on their farms, up from 34 percent of farmers surveyed in 2011.1

    To protect their produce, farmers are increasingly turning to herbicides and crop solutions with diverse modes of action, and taking proactive steps to manage weed resistance. Integrated Weed Management (IWM) programs optimize crop rotation and crop protection products. As Glufosinate-ammonium works in a different way than the herbicides that have become susceptible to weed resistance, it is ideal for rotation with them or mixtures. It is able to control herbicide-resistant weeds at the same time helping to reduce the buildup of such resistance in the first place.

    Did you know?

    • There are currently 437 unique cases of herbicide resistant weeds globally.2 Weeds have evolved resistance to 22 of the 25 known herbicide sites of action.3
    • A recent US study showed that Integrated Weed Management improved the quality and increased winter wheat yields by 23%.4
    • Herbicide resistant weeds have been reported in 83 crops in 65 countries, which threatens productivity and calls for better availability of herbicide solutions to farmers.

    Benefits for the crop

    Glufosinate-ammonium has enabled the healthy production of more than 100 crops.

    Benefits in the field

    Glufosinate-ammonium’s unique chemistry enables a substantial increase in yields and offers significant agricultural advantages.

    Sustainability

    Glufosinate-ammonium preserves the balance between the needs of the environment, economy and society.

    Basics

    Glufosinate-ammonium is one of the most widely-applied broad-spectrum herbicides, controlling weeds in a huge variety of crops worldwide.

    Safety

    The use of a plant protection product is only authorized if the resulting exposure of the consumer to residues is shown to be less than a toxicological limit which always includes a safety factor of at least 100.

    Benefits

    For more than 30 years, Glufosinate-ammonium has become one of the key herbicides in global agriculture. For farmers, the product offers a unique, simple and effective weed control in a variety of crops, while preserving a balance between the needs of the environment, economy and society.

    Stratus Agri-Marketing 2013.
    International Survey of Herbicide Resistant Weeds, October 2014.
    International Survey of Herbicide Resistant Weeds, October 2014.
    Frank L. Young et al., Integrated Weed Management Systems Identified for Jointed Goatgrass (Aegilops cylindrica) in the Pacific Northwest, Weed Technology 24, October–December 2010, pp. 430-439.  

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