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    Farming & Crop Protection Prostrate amaranth

    Prostrate amaranth [Amaranthus blitoides]

    Heat-loving, annual seed-propagated weed with richly branched lateral shoots reaching a length of up to 50 cm. Mainly found on loose, nutrient-rich soils that are in good condition. In recent years, the plant has been found more frequently in southern Germany and southern Europe. It was introduced with seed from North America at the end of the 19th Century.

    overview

    Prostrate amaranth - image 1

    Prostrate amaranth - image 1

    Prostrate amaranth - image 2

    Prostrate amaranth - image 3

    Prostrate amaranth - image 4

    Pest Profile

    • About the pest

      Description

      Cotyledons are linear-slightly lanceolate (Picture 1). Leaves are obovate (oval with a narrower basal end) to spatulate, with a thin pointed tip. The leaves and stems are often reddish in color (Picture 2). The flowers are found in the axis and are green or red in color (Picture 3). The seeds are angular, black, shiny and remain viable in the soil for several years.

      Symptoms & Diagnosis

      Occurence

      Beets, maize, spring cereals.