Abstract            Volume:13  Issue-5  Year-2025         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

Coffee (Coffea arabica L.), which is originated in Ethiopia, is the backbone of the country’s economy. However, weed species are great challenges to decrease the yield and quality of coffee in the growing areas. Therefore, this activity initiated to determine composition of coffee weeds species in the study areas. Assessment was conducted in the selected districts of Buno Bedele and Ilu Aba Bora zones including Gachi, Chora, Didesa, Ale, Halu and Yayo. 0.5m x 0.5m quadrats size with zigzag sampling method was used. The result of this study revealed that the weed assessment fields were dominated by large number of weed species. Averagely across surveyed areas, the frequency value of the species was ranged from 13 – 89.9% and 33.3-95.1% at Buno Bedele and Ilu Aba Bora, respectively. The highest frequency value (89.9%) recorded by Justicia schimperiana followed Perilla frutescens (84.8%) at Buno Bedele zone, while in Ilu Aba Bora the highest frequency value (95.1%) was recorded by Bidens pilosa followed by Oplismenus hirtellus (94.2%) and Polygonum nepalense (93.7%). Whereas, the least frequency value recorded from Trifolium repens (40%), Crassocephalum rubens (13%), Cuscusta campestris (33%), Lantana camara (33%), Cynodon dactylon (33%) and Leucas martinicensis (40%) at both zones. The weed species compositions influenced by different districts. Thus, different weed management options would be required for the locations because of less than sixty percent (<60%) similarity indices were recorded from different locations of BunoBedele and Ilu Aba Bora zones. Generally from the results weed species were very important in production and productivity of coffee at the study areas. Thus there should be great considerations and practicing integrated weed management (IWM) is very important in order to reduce weed infestation with coffee farm in study areas.

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