合玉14号系黑龙江省农科院合江农科所以垦44为母本、冬17为父本配组育成。1986年2月经黑龙江省农作物品种审定会审定通过。该组合经1981—1982年两年产量鉴定,表现早熟高产。1983—1985年三年19点次区域试验(同时进行生产试验).平均每公顷产玉米5,630.7公斤,比对照嫩单3、4号增产15.28％;4点生产试验,平均 Heyu 14 Department of Heilongjiang Academy of Agricultural Sciences Hejiang Agricultural so Ken 44 as the female parent, winter 17 for the parent with a group bred. February 1986 by the Heilongjiang Province, examined and approved the crop varieties approved. The combination of two years after 1981-1982 appraisal, the performance of early maturity and high yield. 1983-1985 three years at 19 o’clock in the sub-regional test (production test at the same time.) An average of 5,630.7 kg per hectare of corn production, compared with tender tender single 3,4 yield 15.28%; 4 production test, average