Sunday, November 25, 2012

Weed infestation in broadcast aman rice ecosystem in Faridpur region of Bangldesh



Weed infestation in broadcast aman rice ecosystem in Faridpur region of Bangldesh

Dr. Md. Abul Khayer Mian   

A survey was done at Surjack village of Boalmari Upa-zilla in Faridpur District of Bangladesh. Weed species were collected from a field of broadcast aman rice. Then their photographs were taken and identified species wise. Weed species with their family are presented in following Table 1. 


Table 1. Weed species with their scientific name and family 
               occurred in the broadcast aman rice ecosystem

Sl. No.
Local name
Scientific name
Family
1
Kolmilata
Ipomoea aquatica Forsk.
Convolvulaceae
2
Maloncho
Alternanthera philoxeroides Griseb.
Amaranthaceae
3
Chanchi
Alternanthera sessilis (L.) R. Br.
Amaranthaceae
4
Kochuripana
Eichhornia crassipes (Mart.) Solms.
Pontederiaceae
5
Shapla
Nymphea nauchalli Burm.f.
6
Shapla
Nymphea spp.
Nymphaeaceae
7
Chesra
Scirpus mucronatus L.
Cyperaceae
8
Choto Chesra
Scirpus spp.
Cyperaceae
9
Kanibashi
Commelina benghalensis L.
Commelinaceae
10
Biskatali
Polygonum hydropiper L.
Polygonaceae
11
Bagzapa
Callitriche heterophylla
Plantaginaceae
12
Arial
Leersia hexandra Swartz.
Graminae
13
Kuz
Echinochloa spp.
Graminae
14
Khudey shama
Echinochloa colonum Link.
Graminae
15
Durba
Cynodon dactylon Pers.
Graminae
16
Paraghas
Brachiaria mutica  (Forsk.) Stapf.
Graminae
17
Zaji
Hydrilla verticillata
Hydrocharitaceae

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