玉米新品种辽单702的选育

Breeding Report of New Maize Variety Liaodan 702

辽单702是辽宁省农业科学院玉米研究研究所选育，以外引系丹黄25为母本、自选系辽6980为父本育成的玉米新品种。2008年参加辽宁省玉米品种预备试验，2009～2010年参加辽宁省玉米品种区域试试，2011年参加辽宁省玉米品种生产试验。2011年通过辽宁省农作物品种审定委员会审定（辽审玉2011[541]号）。该品种具有丰产性好，稳产性极佳，抗病性好，抗逆性强等特点。

Liaodan702 is a new maize hybrid,bred by Institute of Maize Research,Liaoning Academy of Agri-cultural Sciences,The inbred line Danhuang25 was used as female parent and Liao6980 as the male.The hy-brid has these characters：high and stable yield,better-resistance,etc.The essay mainly showed the breeding process、characters、technology of high-yield cultivation of Liaodan702,and so on,and wishes to broaden the cultivation area and receive bigger social economic benefits.