Pak. J. Bot., 33(1): 109-115, 2001. | Back to Contents | ||||
|
Updated: 01-12-10 | ||||
DETERMINATION OF WEED COMMUNITIES INWHEAT (TRITICUM AESTIVUM L.) FIELDS OF DISTRICT SUKKUR RAHMATULLAH QURESHI AND G. RAZA BHATTI
Abstract: A survey of weed communities was carried out in wheat fields of district
Sukkur during 1999-2000. Forty-five weed species belonging to 16 angiospermic
families are reported from the study area. Five weed communities viz:1)
Lathyrus-Fumaria-Melilotus in Bhit of Noor Shah, 2) Alhagi-Spergula-Convolvulus
in Kandhra, 3) Spergula-Chenopodium-Spinacia in Pano Aqil, 4)
Polygonum-Melilotus-Medicago in Rohri and 5) Medicago-Coronopus-Melilotus
in Saleh Pat were recognized during this period. Furthermore Alhagi-Rumex-Phalaris
in Bhit of Noor Shah, Polygonum-Polypogon-Rumex in Kandhra,
Alhagi-Melilotus-Lepidium in Pano Aqil, Lathyrus-Fumaria-Coronopus
in Rohri and Chenopodium-Echinops-Vaccaria in Saleh Pat were
found second communities in these areas.
The dominant weed species of these communities in various capacities
were Lathyrus aphaca L., Fumaria indica (Haussk.) Pugsely.,
Alhagi maurorum Medic., Spergula arvensis L., Convolvulus
arvensis L., Polygonum plebejum R.Br., Sonchus oleraceus
L., Medicago minima (L.) Grufb., Medicago polymorpha L.,
Melilotus indica (L.) All., Chenopodium album L., Chenopodium
murale L., Rumex dentatus L., Coronopus dydimus (L.)
Smith., Echinops echinatus Roxb., Vaccaria pyramidata
Medik., Spinacia oleracea L., Phalaris minor Retz., Polypogon
fugax Nees ex Steud. and Lepidium sativum Linn. Grangea
maderaspatana Poir. is reported for the first time as a weed in
Pakistan. Department of Botany, Shah Abdul Latif University, Khairpur, Pakistan. |
|||||
Back to Contents |
|
Back to Contents |