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The Ranger Russet is a late-maturing potato that is used for baking and processing into fries.〔Pavek, J.J. (1992). "Ranger Russet: A long Russet potato variety for processing and fresh market with improved quality, disease resistance, and yield". ''American Potato Journal'' 69:483-488〕 It was originally bred by Joseph J. Pavek of the USDA in Aberdeen, Idaho and released jointly by the USDA and the agricultural stations of Idaho, Washington, Oregon and Colorado in 1991. Ranger Russet is not under plant variety protection. It yields medium to high numbers of tubers with a short dormancy period. == Botanical Features == * The Ranger Russet plant is medium to tall in height and semi-erect with single, wavy, very prominent wings. * The stems are slightly pigmented and the non-pigmented nodes are slightly swollen. * The open, medium green leaves have weakly pigmented midribs. * Primary leaflets appear in four pairs with a narrowly ovate shape, an acuminate tip, an obtuse and symmetrical base and weakly wavy margins. Terminal leaflets also appear in four pairs with a narrowly ovate shape and an acuminate tip but the base is obtuse and asymmetrical. * Sprouts are broad with a cylindrical shape; the base is medium red-violet and strongly pubescent while the apex is weakly pigmented and moderately pubescent. * There are numerous flowers that have a medium red-violet corolla and a lemon yellow anther. The flower buds are strongly pigmented. * Tubers are long with a slightly flattened shape. * The brown russet skin has evenly distributed medium deep eyes with slightly prominent eyes. * The flesh is white. * Tubers have high specific gravity. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ranger Russet」の詳細全文を読む スポンサード リンク
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