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Diversity of weed flora in citrus at icar-regional research centre for citrus, Biswanath Chariali, Assam, India

A systemic investigation was undertaken to assess the diversity of weed flora in citrus farm of Regional Research Centre for Citrus and inside the premises of Biswanath College of Agriculture, Biswanath Chariali, Assam during 2017-2018. A total of 134 weeds species belonging to 103 genera and 34 families were identified. Out of these, 104 species were dicotyldones and 30 species were monocotyldones. Among the 34 identified families, 9 families viz., poaceae, fabaceae, amaranthaceae, asteraceae, euphorbicaceae, cyperaceae, convolvulaceae, commilinaceae and solanaceae were represented by more than 5 weed species. Hibiscus moschetus was found with high Importance value index of 38.48 followed by Celosia argentea (33.18), Tribulus terrestris (32.57), Corchorus trilocularis (32.12), Mimosa pudica (31.25) and Euphorbia hirta (30.2). This is the first record of various weed species in citrus farm at RRCC. | Diversity of weed flora in citrus at icar-regional research centre for citrus, Biswanath Chariali, Assam, India