高淀粉玉米新品种长玉19的选育研究  

Breeding and Selecting of High Starch New Corn Variety Changyu 19

作　　者：宋殿珍[1] 张文忠[1] 栗红生[1] 刘景秀[1] 杨国英[1] 赵晋峰[1] 

机构地区：[1]山西省农科院谷子研究所,山西长治046011

出　　处：《玉米科学》2007年第B09期59-61,共3页Journal of Maize Sciences

摘　　要：长玉19玉米单交种是山西省农科院谷子研究所2001年以自交系99-751为母本,自交系Bm19-2为父本杂交组配而成的中晚熟品种。在2002～2005年各级产量试验及抗病性、适应性鉴定中表现出优质、大穗、高产、多抗、广适等特点。在适宜密度45 000株/hm2下比对照农大108增产8.7%～11.9%。生育期出苗至成熟126 d,需≥10℃有效积温2 680℃.d。Maize single-cross variety Changyu 19 of medium mature and nutridense was bred by self-line 99-751 as female parent and Bm19-2 as male parent in the Shanxi academy of agriculture sciences millet research institute in 2001. In all kinds of the experiments, Changyu 19 has the advantage of high and steady-yield, good-quality, strong resistance. An averag .yield of Changyu 19 is 45 000 plants/ha and increased by 8.7% - 11.9% than Nongda 108 （CK）. It is a mid-late-maturing variety that the growth season is 126 days. And needs effective accumulated temperature of ≥10℃ about 2 680℃·d

关 键 词：玉米 单交种 长玉19 品种选育 

分 类 号：S513.035.1[农业科学—作物学]