HE Changan,LIU Xingyan,WANG Hui,et al.Breeding and Supporting Technology of New Early Maturing Maize Variety Keyu 22[J].HEILONGJIANG AGRICULTURAL SCIENCES,2026,(03):108-113.[doi:10.11942/j.issn1002-2767.2026.03.0108]
早熟玉米新品种克玉22的选育及配套栽培技术
- Title:
- Breeding and Supporting Technology of New Early Maturing Maize Variety Keyu 22
- 文章编号:
- 15
- Keywords:
- maize; Keyu 22; breeding; early maturing
- 文献标志码:
- A
- 摘要:
- 为促进早熟玉米新品种克玉22的推广应用，助力黑龙江省第三积温带玉米产业实现提质增效，简要介绍了该品种的亲本来源及选育过程、特征特性、产量表现，并概述了配套栽培技术要点。克玉22是黑龙江省农业科学院克山分院于2014年，以自主选育的优良自交系HB410为母本、自主选育的稳定自交系HA638为父本，通过人工杂交授粉方式选育而成的早熟玉米新品种。2018－2019年参加黑龙江省玉米联合体区域试验，试验覆盖省第三积温带多个试点，平均产量达9 563.7 kg·hm-2，较对照品种鑫科玉2号增产8.9%。2020年参加黑龙江省玉米联合体生产试验，平均产量达10 785.2 kg·hm-2，较对照品种克玉19增产6.1%。2021年该品种通过黑龙江省农作物品种审定委员会审定，审定编号为黑审玉2021L0036。克玉22核心优势突出，具有早熟性好、丰产性强、籽粒品质优良、抗逆性较强等特点，适宜黑龙江省第三积温带≥10 ℃活动积温2 300 ℃的区域种植。
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备注/Memo
收稿日期：2025-12-29