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桓单2号玉米杂交种(白60×330)是桓仁县农科所育成的黄白单交种,1985年经省农作物品种审定委员会审定推广。该品种属中早熟,生育期115—120天,比铁单4号早熟3—4天,比吉单101晚2—3天,需有效积温2,700—2,800℃。株高280—300厘米,穗位120—130厘米,穗长26—28厘米,粒行数12—14。籽粒马齿型,黄白粒,白轴。籽粒出产率85—87％,百粒重44—46克,米质好。抗叶斑病、高抗丝黑穗病,适应性强,耐瘠薄。单产在600公斤左右,高者可达750公斤。适于在我省东部冷凉山区种植。
Huan Dan No. 2 corn hybrids (white 60 × 330) is Huanren County Department of Agriculture bred yellow and white single species, approved by the Provincial Crop Variety Approval Committee in 1985 to promote. The varieties are premature, the growth period of 115-120 days, 3-4 days earlier than the iron single No. 4, 101 days 2-3 nights than the Jidan, effective accumulated temperature of 2,700-2,800 ℃. Plant height 280-300 cm, ears 120-130 cm, spike length 26-28 cm, grain number 12-14. Grain dent, yellowish white grain, white axis. The grain yield 85-87%, 100 grain weight 44-46 grams, good quality rice. Anti-leaf spot, high resistance to head smut, adaptable, resistant barren. Yields about 600 kilograms, the highest up to 750 kilograms. Suitable for planting in the cold mountainous area in the eastern part of our province.