四单 15 8由吉林省四平市农业科学院玉米所 1992年育成 ,组合D387×丹 340_3。该品种属于晚熟品种 ,需≥ 10℃积温 2 80 0℃·d。 1993～ 1998年在各级产量试验中表现高产、稳产、优质、多抗。适宜我省中、西部地区的西单 2、新铁 10、新铁 12、吉单 15 9、掖单 19适应区内种植。种植密度一般每公顷 4 5～ 5 0万株为宜 Ssingle 15 8 was bred by the corn factory of Siping Academy of Agricultural Sciences in Jilin Province in 1992, combining D387 × Dan 340_3. The varieties are late-maturing varieties, requiring ≥ 10 ℃ accumulated temperature 2800 ℃ · d. From 1993 to 1998, it showed high yield, stable yield, high quality and multi-resistance at all levels of yield test. It is suitable for Xidan 2, Xintang 10, Xinjue 12, Jidan 15 9 and Yedang 19 in the middle and western areas of our province to adapt to the planting in the area. Planting density is generally 45 to 50 million plants per hectare is appropriate