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1 品种来源及选育经过垦单 7号是由黑龙江省农垦科学院作物所1 992年用外引系 K1 0作母本、自选系佳 5作父本杂交选育成的玉米单交种 ,代号佳试 1 3。1 993～ 1 994年在黑龙江省农垦科学院内试验 ,1 995～ 1 998年完成了黑龙江省区域试验和生产试验的全过程。 1 999年参加了全
A variety of breeding and breeding through Reclamation No. 7 by the Heilongjiang Provincial Academy of Agricultural Sciences Institute of Crops in 1992 with a male parent K10 as the female parent, Test 1 3.1 993 ~ 1994 in Heilongjiang Academy of Land Reclamation test, from 1995 to 1 988 completed the Heilongjiang Province regional test and production test of the whole process. 1 999 years participated in the whole