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    Hedge bindweed [Calystegia sp.]

    Weed germinating from spring to fall with taproot that goes deep, and numerous rizomes with root buds. Bindweed is spread by the mechanical division of underground rizomes caused during soil management. Prefers dry, warm, nutrient-rich, deep and loose loam soils. Bindweed can grow to 3 to 4 meters in height, winding anti-clockwise around plants which can lead the plant to fall and make mechanical harvesting very difficult.

    overview

    Hedge bindweed - image 1

    Hedge bindweed - image 1

    Hedge bindweed - image 2

    Hedge bindweed - image 3

    Pest Profile

    • About the pest

      Description

      Cotyledons very large, almost square, long-stemmed, or slightly cordate-edged. Leaves are ong-stemmed, triangular, at the stem base cordate (heart shaped) and hastate (arrowhead shaped) (Picture 1). The later leaves are large, ovate, longitudinal-triangular with cordate base. The plant forms large funnel-shaped white inflorescences (Picture 2). Readily self seeding, seeds can remain viable in the soil for up to 30 years (Picture 3).

      Symptoms & Diagnosis

      Occurence

      Maize, grain.