Abstract            Volume:6  Issue-11  Year-2018         Original Research Articles

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

Studies on assessment of weeds and farmers adopted weed control method in wheat fields was carried out at west shewa zone. The aim wasto determine the status of weed problems and to gather information on existing farmer’s indigenous knowledge regarding in wheat weed management at Ambo, Dandi, Toke Kutaye and Cheliya districts of West Shewa Zone, Ethiopia. Survey on weed problems of wheat based farming systems and farmers practices was carried out in Ambo, Dandi, Toke Kutaye and Cheliya districts of West Shewa Zone during the main rainy season of 2014/2015. Stratified random sampling technique and structured questioners were used to collect information on major weeds of the wheat.Grass weeds infestation and associated grain yield reduction problems were found most serious in wheat farms in the study area. Phalaris paradoxa, Avena fatua, Bromus pectinatus and Snowdenia polystachya have been found common weed species in wheat fields in the study areas. Polypogon monospeliensis and Convolvulus arvensis found to be specifically problematic weed in Ambo and Dandi area, and Chrysanthemum segetum, Raphanus raphanistrum and Veronica sp. in Cheliya district. Weed as main constraint and its infestation increase in the last five years having high impact on wheat production. Large proportion of the respondents (> 65%) blamed weeds as major constraint on wheat production Survey results indicated that about 100, 60, 97 and 30% of respondents were practicing application of herbicide, supplementary hand weeding, and crop rotation and fallowing, respectively to manage weeds of wheat in the studied districts.

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