优质水稻新品种辽粳香2号特征特性及配套栽培技术
2023-07-21姚继攀吴运田刘博梁传斌蒋洪波李跃东
姚继攀 吴运田 刘博 梁传斌 蒋洪波 李跃东
摘 要:辽粳香2号是辽宁省水稻研究所以辽粳433/辽星1号//盐粳1001子一代植株为母本、中早熟香型中间材料K3为父本,经人工去雄杂交,后代材料选择育成的高产优质水稻新品种。该品种于2022年通过辽宁省审定,适宜在辽宁省中早熟、中熟稻区种植。介绍了辽粳香2号的特征特性,并从工厂化育苗、适时插秧、合理密植、配方施肥、科学管水、综合防控病虫害等方面总结了其配套栽培技术要点。
关键词:水稻新品种;辽粳香2号;特征特性;栽培技术
Characteristics and Cultivation Techniques of a New Rice Variety Liaogengxiang-2 with High Quality
YAO Ji-pan1 , WU Yun-tian2 , LIU Bo1 , LIANG Chuan-bin1 , JIANG Hong-bo1 , LI Yue-dong1*
(1 Liaoning Rice Research Institute, Shenyang 110101, China; 2 Huanren County Agricultural Development Service Center, Benxi Liaoning 117000, China)
Abstract: Liaogengxiang-2 is a new rice variety with high yield and high quality, which was bred through artificial de-androecium hybridization techniques, using Liaogeng-433/Liaoxing-1//Yangeng-1001 first-generation plant as the female parent and K3 as the male parent. The variety was approved by Liaoning Province in 2022, and is suitable for planting in the mid-maturing and mid-ripening rice areas of Liaoning Province. The characteristics of Liaogengxiang-2 were introduced, and the key points of its supporting cultivation techniques were summarized from the aspects of factory seedling rearing, timely seedling transplanting, reasonable dense planting, formula fertilization, scientific water management, comprehensive prevention and control of pests and diseases.
Key words: New rice variety; Liaogengxiang-2; Characteristics; Cultivation technique
随着我国经济社会的发展和国民生活质量的提高,人们对稻米的需求由量的增长转向质的提升,以保障食用安全为基础、突出食味品质特色、体现好吃口感的优质食味稻米受到消费者的青睐。辽宁省水稻研究所以市场需求为导向育成优质香型水稻品种辽粳香2号,现将该品种的选育过程、特征特性及配套栽培技術等总结介绍如下。
1 选育过程
辽宁省水稻研究所于2012年夏以辽粳433/辽星1号//盐粳1001子一代植株为母本、中早熟香型中间材料K3为父本进行人工去雄杂交,收获杂交粒;2012年冬在海南种植F1代并混合收获;2013年夏在辽宁沈阳混合种植F2代,利用香味基因fgr特异性标记进行分子标记辅助选择,秋季收获13个香味基因纯合、农艺性状优良的早熟株系;2014年春在辽宁彰武穗行圃种植F3代,秋季收获3个株系;2015~2016年F4、F5代继续在彰武穗行圃单系种植,2016年秋收获3个优良株系;2017~2018年3个株系在彰武进行品比试验,同时做自然抗稻瘟病鉴定;……
