玉米新品种龙单12 一、品种来源:1988年用自高系“K202”为母本,以自交系“龙抗11”作父本杂交育成。1994年推广。 二、产量表现:1989—1991年在院内试验,三年都比白单九增产显著;平均公顷产量9206.25公斤。较其平均增产15.2％。1990～1991年在巴彦、宾县、阿城、呼兰、绥化、望奎、青冈、兰西、肇东、龙江、勃利、鸡西等12个县、市的20个点次试验结果,有18个点增产。2个点平产,平均公顷产量9182.25公斤,比白单九增产13.4％,1991年在省内6点区域试验都比对照品种增产,平均公顷产量8135.25公 First, a new variety of corn 12, a variety of sources: in 1988 with the Department of “K202” as the female parent to inbred line “Long anti-11” as a parent breeding cross. 1994 promotion. Second, the production performance: 1989-1991 in the hospital trials, three years significantly more than Shirahaya yield; the average yield of 9206.25 kilograms. A 15.2% increase over its average. From 1990 to 1991, the results of 20 point tests in 12 counties and cities including Bayan, Binxian, Acheng, Hulan, Suihua, Wangkui, Cyclobalanopsis, Lanxi, Zhaodong, Longjiang, Boli and Jixi , 18 points increase production. 2 points of flat production, the average yield of 9182.25 kilograms of hectares, an increase of 13.4% over Shirahagi, in 1991 in the province of 6:00 regional test yield increase than the control varieties, the average yield of 8135.25 hectares