“辽单33”是由辽宁省农科院玉米研究所在1995年以自选系3180为母本,用引入系吉853做父本,经过人工杂交之后育成的高产、优质、多抗强优势玉米杂交种,已于2001年和2002年先后通过辽宁省和国家农作物品种审定委员会审定,其开发推广前景看好。1.植物学特征苗期生长势强,幼苗叶鞘 “Liao Dan 33” by the Liaoning Provincial Academy of Agricultural Sciences Institute of corn in 1995 with the optional line 3180 as the female parent, with the introduction of the Department of Kyrgyzstan 853 as a male parent, after artificial breeding bred high yield, high quality, multi-resistant strong predominant corn Hybrids, which were approved by Liaoning Province and the State Crop Variety Approval Committee successively in 2001 and 2002, have a good prospect of development and promotion. 1. Botanical characteristics Seedling growing strong, seedling leaf sheath