Durba

Local name: দূর্বা, দুবলা

English name: Bermuda grass, Devil's grass

Scientific name: Cynodon dactylon

Family: Poaceae

Habit

Perennial grass, herb, climbing, and creeping. Rhizomes and stolons grow deeply in the soil.

Habitat

Dry or moist well-drained soils. Cannot persist in waterlogged areas.

Growing season

Mainly kharif but found all over the year. Seeds can germinate throughout the year if moisture supply is adequate.

Associated crops

Aus rice, jute, sugarcane, maize, etc.

Propagating organ

Propagates mainly by stolons and rhizomes; produces few seeds; seeds can survive submergence up to 50 days.

Leaf

Linear, grey-green, narrow.

Stem

Long, smooth, and cylindrical.

Inflorescence

Finger-like spread.

Root

Shallow, fibrous root system.

Control measures

Difficult to control because detached fragments regenerate easily. Can be controlled by deep ploughing so that their rhizomes come out under the sun and are destroyed.