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中国农学通报

中国农学通报 ›› 2003, Vol. 19 ›› Issue (6): 103-103.

所属专题： 玉米； 烟草种植与生产

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早熟玉米新品种陕单21号的选育报告

师公贤,张仁和,李跃文,温振民,王国军   

  • 出版日期:2003-12-25 发布日期:2003-12-25

Report on Breeding of Early New Maize Hybrid Shaandan 21

SHI Gong-xian, ZHANG Ren-he, LI Yao-wen, WEN Zhen-min, WANG Guo-jun   

  • Online:2003-12-25 Published:2003-12-25

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摘要： 陕单21号（陕单9704）由西北农林科技大学农学院玉米研究所1997年以自交系武464和K22杂交育成的早熟玉米新品种。2000—2002年各级产量试验中表现稳产、早熟、高产，抗病性强，适应性好，适宜我省关中中西部地区种植，种植密度一般为每公顷4.5万—5.0万株为宜。2003年3月通过陕西省品种审定委员会审定，定名为陕单21。

Abstract: The new maize variety Shaandan 21 (Shaandan 9704) was bred by the male Wu 464 and the female K22 in Maize Institution, Northwest Sci-Tech University of Agriculture and Forestry in 1997. In 2000~2002, the regional test, product test results showed the characteristic of high-stable yield, early mature, disease resistance, good adaptation. The adaptive planting areas were the middle and west parts of Guanzhong plain, Shaanxi province. The optimum desnity range was 45000~50000 seeding / ha. It has been authorized by Crop Authorization Committee of Shaanxi Province in March 2003 and was named Shaandan 21.