Weed Flora of Wheat Fields in the Punjab

Survey of weed flora of wheat fields conducted twice during 1980 to 1984 and 1985–1990 showed that wheat was found infested with 52 weed species, of which 6 were monocots and 46 dicots belonging to 16 families. The predominant weeds found in the crop were Phalaris minor Retz., Avena ludoviciana Our., Melilotus indica (L.) All., Chenopodium album L., Anagallis arvensis L. and Medicago denticulata L. The other weeds commonly associated with the crop were Poa annua L., Polypogon monspliensis (L.) Desf., Lolium temulentum L., Silene conoidea L., Rumex dentaturs L., Lathyrus aphaca L. and lepidium sativa L. In some parts of the state, Cirsium arvense (L.) Scop and Convolvulus arvensis L. were also present.