spear grass

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spear grass

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2003) reported cover ranging from 9 to 72% in pastures consisting mainly of desert bluegrass (Bothriochloa ewartiana) and black speargrass (Heteropogon contortus).
Two common native grass species, golden beardgrass (Chrysopogon fallax) and black speargrass (Heteropogon contortus), were grown in the collected soils, in a glasshouse, and the scientists applied various shade and water-stress treatments to simulate both the independent and combined effects of these factors on plant growth.
Meanwhile, cattle on the same pastures feast on bunch grasses such as the bluebunch wheatgrass and speargrass.
of sites Common name where found Chromosol Vertosol 18 7 Speargrass 14 5 Redgrass 3 10 Queensland bluegrass I1 Hoop Mitchell grass 6 4 Parramatta grass 9 Couch grass A 5 2 Plains grass 1 6 Curly Mitchell grass 2 3 Wallaby grass 4 Wiregrass 4 Blown grass 4 Windmill grass 2 1 Kangaroo grass 2 Liverseed (A) 2 Weeping grass 1 1 Coolatai grass (A) 2 Barbed wiregrass 2 Shiver grass (annual) 1 Plume grass 1 Ryegrass (A) (annual) No.
Speargrass, Annual Blue Grass; Roadside fields and open areas of floodplain woods; Infrequent; C = 0; BSUH 17728.
Selective and heavy grazing of palatable grasses like black speargrass (Heteropogon contortus) will weaken them and reduce their seed production.