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Solanum tuberosum Group Phureja : ウィキペディア英語版 | Solanum tuberosum Group Phureja ''Solanum tuberosum'' Group Phureja is a cultivar-group of diploid potato plants originating from the Andean valleys in South America. The group differs from other potato cultivar-groups by the absence of dormant tubers. This means that the tuber immediately begins to grow once it is formed, without a resting period. This explains why the varieties of the group are to be planted in areas with a mild climate, where culture throughout the year is possible. By hybridization with ''Solanum tuberosum'' by the Scottish Crop Research Institute, varieties were obtained who are adapted to the European climate.〔http://www.farmersguardian.com/gene-research-into-texture-and-flavour/10999.article〕 These crossings are particularly popular as a culinary potato for their excellent taste. "Cultivar-groups" are taxonomic categories used by the International Code of Nomenclature of Cultivated Plants (ICNCP) to associate of cultivars (cultivated varieties) of plants with traits useful to agriculturalists.〔 The criteria used to distinguish potato cultivar-groups include non-morphological traits such as frost tolerance, tuber dormancy, daylength adaptation, and ploidy level.〔 ==Description== Plants of the Phureja Group are ascending to erect, with pedicel articulation is evident below the upper 20% of the pedicel, and upper leaves diverge from stems at 40°-50°.〔 They are adapted to short-day flowering and tuberization, and are generally not frost tolerant.〔 They are diploid, and differentiated from the Stenotomum Group in that the tubers sprout at harvest in the Phureja Group.〔
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「Solanum tuberosum Group Phureja」の詳細全文を読む
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