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    Rough bluegrass [Poa trivialis]

    A perennial grass weed which can reach a height of 120 cm. Prefers nutrient-rich, fresh to moist sandy loam soils.


    Rough bluegrass - image 1

    Rough bluegrass - image 1

    Rough bluegrass - image 2

    Rough bluegrass - image 3

    Rough bluegrass - image 4

    Pest Profile

    • About the pest


      The young plant can be recognized by the thin, erect leaves (Picture 1). The plant tends to have dense tillering. The leaf blade is smooth and terminates in a tip. The underside is glossy with a distinct double ridge. The ligules are long, smooth and sparsely serrated. Without auricles. The rough slender stem grows to around 50cms, the panicle has 5-6 branches with small multiflorous spikelets (Picture 3). The glume is sharply keeled, not hairy (Picture 4).


      Rough stalked meadowgrass

      Symptoms & Diagnosis


      Winter wheat, winter rapeseed.