Weed Herbarium

Mutha

Common Name: Purple Nutsedge
Scientific Name: Cyperus rotundus L.
Family Name: Cyperaceae
Type: Sedge

Identification Notes

EPPO Code

Life Cycle

Perennial

Morphology

Culm : erect, rhizomatous, stoloniferous, terminated by a globose-ovoid tuber, solitary or a few together, bearing a corm-like enlargement at base, slender, triquetrous, smooth, leaved at base. Leaves: few, much shorter than the culm, blades linear, folded, sheath light brownish. Inflorescence: simple or compound corymb, loose, rays of unequal length. Fruit: achene, oblong.

Growing season

Rabi and Kharif

Germination period

January to December

Flowering period

April to September

Propagation

By seed, rootstock, rhizome and tuber

Habitat

Prefer dry condition. Very dangerous for upland crops, specially, chilli, pulses, aus rice and jute. Also found in the fields of mixed aus-aman rice and floating rice before the intrusion of water. Abundantly grows in homesteads, bank of ponds, roadsides, fallow lands, and levee of crop fields and irrigation channel.

Department of Agronomy

Bangladesh Agricultural University

Mutha

EPPO Code

Life Cycle

Morphology

Growing season

Germination period

Flowering period

Propagation

Habitat

Weed potential

Control measure

Recommended herbicide

Distribution

Medicinal properties

References