Weeds of bitter gourd [Momordica charantia-Linn.] crop in district Sukkur, Sindh, Pakistan

ABSTRACT

Survey of weeds of bitter gourd Momordica charantia Linn.] crop was carried out during 2000-2001 with the view to check their competition with vegetable crop of bitter gourd from District Sukkur. Five different growing localities viz. Abad, Bagarji, Kando Wahan, Salehpat and Rohri were selected for this study. Twenty six weed species belonging to 15 angiospermic families have been recorded from the study areas. The most dominant species recorded from all selected sites was Convolvulus arvensis with a density% of 33.02. It was followed by Cyperus rotundus, Trianthema portulacastrum, Amaranthus viridis, Corchorus aestuans and Echinochloa crus-galli with density of 3.23-16.18%. Whereas the most frequent species was Cyperus rotundus with frequency% of 96, followed by Cynodon dactylon, Amaranthus viridis, Euphorbia hirta, Echinochloa colona, Portulaca oleracea and Trianthema portulacastrum with a frequency% ranging from 64-72