优质高抗宜机收玉米新品种鹏玉14的选育

Breeding of New Maize Variety Pengyu 14 with High-quality,High-resistance and Suitable for Machine Harvesting

为促进优质玉米品种鹏玉14的推广,本文介绍了鹏玉14的选育过程、特征特性、栽培技术要点及双亲和杂交种繁育。鹏玉14是黑龙江大鹏农业有限公司2012年以自选系扎吉变为母本,以自选系fm104为父本组配而成。该品种幼苗拱土能力强,成株株型半紧凑,株高260 cm,穗位高110 cm。籽粒容重748~775 g·L-1,粗淀粉70.75%~73.99%,粗蛋白8.69%~11.98%,粗脂肪4.03%~4.18%。高抗大斑病、丝黑穗病和茎腐病。并具有优质宜机收等特点。在适应区出苗至成熟生育日数为120 d左右,需≥10℃活动积温2400℃左右。2020年通过黑龙江省审定,审定编号:黑审玉2020L0019,具有良好的推广前景。

In order to promote the popularization of high quality maize variety Pengyu 14,the breeding process,characteristics,cultivation techniques and breeding of parents and hybrids were introduced.Pengyu 14 was a maize hybrid bred of Heilongjiang Dapeng Agricultural Co.,Ltd.by crossing the self bred inbred lines Zhajibian as the female parent and the self bred inbred lines fm104 as the male parent in 2012.The seedlings of this hybrid have strong soil arching ability,and the adult plant type was semi-compact.The plant height was 260 cm,and the ear height was 110 cm.Grain bulk weight was 748-775 g·L-1,crude starch was 70.75%-73.99%,crude protein was 8.69%-11.98%and crude fat was 4.03%-4.18%.The hybrid showed strong resistance to corn leaf blight,head smut and stalk rot,at the same time the hybrid had the characteristics of high quality and suitable for machine harvest.The growth days from emergence to maturity were about 120 days while the active accumulated temperature should be about 2400℃above 10℃in adaptation zone.Pengyu 14 passed the Heilongjiang Province variety certification in 2020 with the certification number 2020L0019,while the hybrid had broad prospects for promotion.