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For evaluation of value of cultivation and use (VCU) of winter oilseed rape varieties in cold and mild cold regions, 9 exotic winter cultivars along with Okapi as check variety and local lines and cultivars were evaluated in, Isfahan, Mashhad, Kermanshah, Hamadan and Karaj in 2017-2019 cropping seasons using randomized complete block design with three replications. Based on the results of the five sites of experiment, cultivars Medea, Excalibur, Vesuvio, Nafis, Artist, Harnus, Expower and SLM046 with higher seed yields (3936, 3756, 3713, 3670, 3652, 3637, 3496 and 3478 Kg/ha respectively) were superior than others. Okapi as check variety with 2909 Kg/ha seed yield occuipied the 15th position.Key words: Cold and mid-cold regions, Value for Cultivation and Use, winter rapeseed lines, yield comparisin,
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