优质高产玉米杂交种吉东17的选育及应用

吉东17是吉林省吉东种业有限责任公司以自选系D35为母本,D64为父本于2000年冬在海南岛选育而成。经过3年的省级试验示范结果表明,在吉林省的两年区域试验中平均产量为11284.5kg/hm2,较对照吉单180增产13.7%,位于参试品种的第1位。在2004年的玉米生产试验中,平均产量为9680.5kg/hm2,较对照吉单180增产18.4%,位于参试品种的第1位。该品种高产、优质,含淀粉74.01%,高抗玉米各类叶斑病和茎腐病,抗丝黑穗病和玉米螟,适应性广,综合农艺性状优良,一般产量可达9680.5kg/hm2。

The Breeding and Application of Hybrid Maize Variety Jidong 17 with Good-quality and High Yield

Hybrid maize variety Jidong 17 was bred by intred-line D35(female) and D64(male) on the Hainan Island in the winter of 2000.The results of three years' provincal yield test showed: The average yield is 11 284.5 kg/ha,increasing by 13.7% compared with Jidan 180 and ranking No.1 of all tested varieties.In the growing trials of 2004,the average yield is 9 680.5 kg/ha,increasing by 18.4% compared with Jidan 180 and ranking No.1 of all tested varieties.This variety has good grain quality and high yield and 74.01% of it is starch.It has a strong resistence to all kinds of leaf spots,head smut,stem rot and corn borer.It can adapt to various soil environment and has broad agronomic traits.Generally the yield is 9 680.5 kg/ha.