郑单17是由河南省农业科学院粮食作物所以自选系郑30为母本,外引系昌7-2为父本杂交育成的早熟优良玉米单交种,该品种具有高产、抗病、抗倒、适应性广等特点,于2001年4月通过河南省品种审定委员会审定。为了加速郑单17的推广应用,做到良种良法同时 Zhengdan 17 is a premature and good maize single cross breed which is made from Henan Province Academy of Agricultural Sciences by self-selected Zheng 30 as female parent and derived from Chang 7-2 as male parent. The variety has high yield, disease resistance, , Wide adaptability and other characteristics, in April 2001 by the Henan Provincial Commission for approval validation. In order to accelerate the popularization and application of Zhengdan 17, so good seeds at the same time