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Local name: হলদে মুথা
English name: Yellow nutsedge, Tiger nut, Chufa, Earth almond
Scientific name: Cyperus esculentus
Family: Cyperaceae
It is a perennial sedge weed.
Comparatively low land and wet soil.
Rabi and kharif.
Aus rice, jute and rabi crops.
Seed, rhizome and tuber.
Erect, paralleled venation, about equal to the stem in long, sessile.
Its stem is called pseudostem. Stem triangular, erect, and branchless. Modified to rhizome.
Yellow-brown and umbel shape.
Fibrous, modified rhizome and tuber inter connected with each other.
It can be controlled by racking, hand pulling and deep ploughing and puddling. Besides, selective herbicide can be used.