ＳＱ５２—７是河南省商丘地区农科所研究员、国家有突出贡献专家雷书声以红旗４号为母本、ＳＱ１９—５为父本，有性杂交选育而成。１主要特征该品种叶形为戟形或近长三角形，叶小蔓短、茎细、全绿色、生长势较弱，薯形纺锤或下膨，薯皮红色，薯肉浅红色，表皮光滑。２主... SQ52-7 is a researcher in Shangqiu Prefecture Agricultural Science Institute, Henan Province, an expert with outstanding contributions to the red flag on the 4th as the female parent, SQ19-5 as the male parent, sexual selection and breeding. 1 main characteristics of the species leaf-shaped halberd or nearly long triangle, leaf small vine short, thin stems, all green, growth potential is weak, potato-shaped spindle or under the expansion of potato red, potato light red, smooth skin. 2 main ...