RICE-the staple food - Weed management
Family – Poaceae
Scientific name – Echinochloa colona (L.) Link
Common name – S- Gira-thana; T- Adipul
- Echinochloa colonum (L.) Link, E. crus-galli subsp. colona (L.) Honda, Panicum colonum L. (basionym), P. cumingianum Steud., P. zonale Guss., Milium colonum (L.) Moench, Oplismenus colonus (L.) Kunth
Lifespan – Annual
- Plant – up to 60 cm tall.
- Stem – reddish or green, ascending to erect, No epidermal hairs present.
- Leaf: linear, about 10−15 cm long, basal part is often red; No ligules present.
- Inflorescence: simple racemes, colur could be green to purple, spikelets are subpedicellate.
Biology and ecology
- Flowers throughout the year
- Propagated by seeds (after a short dormancy period).
- There could be a large number of plants in a population
- E. colona is well response to nutrients
- This plants prefer moist soil but not flourish in flooded conditions
- A problem mainly in upland and rainfed lowland rice fields rather than in flooded fields
- The species mimic rice during vegetative growth stage and is a serious competitor of rice
- A host plant for tungro and rice yellow dwarf disease etc.
- This plant is also a palatable fodder for cattle and water buffalo.
Cultural control: flooding; hand weeding or use of a hoe during early growth stages.
Chemical control: application of recommended weedicides
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