特大粒红小豆是吉林省经济作物研究所从红小豆“东北大红袍”中系选育成的新品种。该品种百粒重20克,比日本红小豆“大正”还大,是稀有的大粒品种。1990～1992年参加省区试,在12个点上三年平均亩产250公斤,居第1位;1993年参加“三北”区试,亦位居第1名,1994年列为省扩繁推广品种。 Extra large red beans is the new crop of Jilin Province Economic Crops Institute bred from the red bean “northeast Dahongpao”. The varieties of 100 grams weight 20 grams, more than the Japanese red bean “Dazheng” is also large, is a rare large grain varieties. From 1990 to 1992, he took part in the provincial test, and averaged 250 kilograms per mu at 12 spots in three years, ranking No. 1; in 1993, he also took the first place in the “Three Norths” zone test and provincial expansion in 1994 Fan promote the variety.