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吉单261是吉林省农科院玉米所选育的优良玉米杂交种,2007～2009年被推荐为吉林省玉米主推品种;2006～2008年被确定为国家玉米杂交种东北早熟组预备试验和区域试验的对照品种,2006～2012年吉林省玉米杂交种试验稀植型中熟组对照品种,对其产量相关性状的遗传力、杂种优势等进行分析,探讨优良玉米杂交种产量优势产生原因,为玉米自交系选育和强优势组合选配提供依据。
Jidan 261 is a fine maize hybrid selected by Jilin Academy of Agricultural Sciences, and was recommended as the main push variety of maize in Jilin Province from 2007 to 2009. From 2006 to 2008, it was identified as a national maize hybrid Northeast Prematurity Trial and Regional Trial The control variety of the test, 2006-2012 maize hybrid test in Jilin Province, thinning medium maturing group of control varieties, the yield-related traits of heritability, heterosis and other analysis to explore the reasons for the yield advantage of excellent maize hybrids for the Breeding of Maize Inbred Lines and Selection of Strong Dominant Combinations.