Jungle-rice (Sama Jhar)

Catalogue Type

Weed Catalogue

Scientific Name

Echinochloa colona (L.) Link

Family

Poaceae

Distinguishing Characters

one of the world’s worst weeds; soil saturation
strongly reduces emergence of buried seeds; responsive to
nutrients; profuse root production; good forage; C4 plant;
encouraged by zero tillage

Photo of Weed

Description

Found in: lowland, upland Establishment method: DS > WS
Growth habit: tufted and erect; up to 0.6 m
Moisture: dry to wet Competitiveness: high
Seed contaminant: yes Cultural control: early cultivation; early flooding; hand weeding Reported resistance: ACCase inhibitors (BOL, COS, NIC),
ALS inhibitors (BOL, COS), glycines (AUS), photosystem II inhibitors (AUS, IRN), ureas and amides (COL, COS, GTM, HND, PAN, SLV, VEN), multiple resistance (COS) Life cycle: perennial Seed wt: 1.0
Method(s) of reproduction: seeds, stolons Flowering time: 30 to 45 d
Dormancy: low or none; light requirement for germination
Elevation: up to 2,000 m Light: sunny, partial shade