抗病优质杂交稻品种野香优699的选育与应用  

Breeding and Properties of Hybrid Rice Yexiangyou 699

作　　者：朱永生[1] 魏毅东[1] 蒋家焕[1] 李齐向 董瑞霞[1] 郑菲艳 陈丽萍[1] 王晓方[1] 谢华安[1] 张建福[1] ZHU Yongsheng;WEI Yidong;JIANG Jiahuan;LI Qixiang;DONG Ruixia;ZHENG Feiyan;CHEN Liping;WANG Xiaofang;XIE Huaan;ZHANG Jianfu(Rice Research Institute,Fujian Academy of Agricultural Sciences/State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops,Fujian Academy of Agricultural Sciences/Key Laboratory of hybrid rice Germplasm Enhancement and Molecular Breeding in South China,Ministry of Agriculture,P.R China/Fuzhou branch,National Rice Improvement Center of China/National Engineering Laboratory of Rice/Incubator of Key Laboratory of Crop Germplasm Enhancement and Molecular Breeding between Fujian and Ministry of Sciences and Technology/Fujian Engineering Laboratory of Crop Molecular Breeding/Fujian Key Laboratory of Rice Molecular Breeding/Resaerch Base of South-China of National Key Laboratory of Hybrid Rice of China,Fuzhou,Fujian 350003,China;Sanming Seed Station,Sanming,Fujian 365000,China)

机构地区：[1]福建省农业科学院水稻研究所/闽台作物有害生物生态防控国家重点实验室/农业农村部华南杂交水稻种质创新与分子育种重点实验室/福州(国家)水稻改良分中心/水稻国家工程实验室/福建省作物种质创新与分子育种省部共建国家重点实验室培育基地/福建省作物分子育种工程实验室/福建省水稻分子育种重点实验室/杂交水稻国家重点实验室华南研究基地,福建福州350003 [2]三明市种子站,福建三明365000

出　　处：《福建农业学报》2023年第12期1405-1413,共9页Fujian Journal of Agricultural Sciences

基　　金：福建省科技计划重大专项(2022NZ030014);福建省农业高质量发展超越“5511”协同创新工程项目(XTCXGC2021019-SDS01);福建省农业科学院科技创新团队建设项目(CXTD2021005-3)。

摘　　要：【目的】选育优质、抗病的杂交稻品种在生产上推广和应用,满足市场需求,提高种粮效益。【方法】通过水稻优异基因单倍型背景分析,以产量高、抗病性好、恢复力强、配合力好的恢复系福恢699为父本,与香型、优质、抗病的三系不育系野香A杂交配组,杂种F1代经多年多点稻瘟病圃抗性鉴定,多生态区适应性筛选和稻米品质分析等相结合,选育符合育种目标性状的优良杂交稻品种。【结果】2017—2018年参加福建省中稻区域试验,表现群体整齐,株型适中,全生育期两年平均140.4 d,比对照Ⅱ优3301早熟2.8 d。有效穗数208.5万穗·hm^(-2),平均株高135.4 cm,结实率86.89%,千粒重26.3 g。产量平均9 404.3 kg·hm^(-2),比对照增产1.50%,不显著;野香优699聚合了来自双亲的7个稻瘟病抗性基因和2个水稻病毒病抗性基因,两年区试田间和室内稻瘟病抗性鉴定综合评价均抗稻瘟病,生产上也表现较强的抗病性。【结论】野香优699(闽审稻20200012)糙米率80.1%,整精米率68.5%,垩白度0.8%,透明度1级,碱消值5.5,胶稠度86 mm,直链淀粉含量14.0%,米质达部颁三等优质食用稻品种品质标准,田间表现产量高、抗病性强,在生产上可大面积推广应用。【Objective】A disease-resistant,high-quality hybrid rice was bred to meet the market demand and improve the profitability for the farmers.【Method】Based on the desired gene haplotypes,the high-yield,disease-resistant,strong-restoring and combining Fuhui 699 restorer line was selected as the male parent to cross with the female parents,the 3 sterile Yexiang A lines that are known for their desirable fragrance,high quality,and strong disease-resistance.The resulting F1 hybrid was examined for the target traits at multi-year and multi-point rice blast resistance tests as well as multi-ecological adaptability and rice quality analyses.【Result】 From 2017 to 2018, the choice hybrid, Yexiangyou 699, was submitted to the regional trial on mid-season rice in Fujian. It displayed an evenly distributed population of acceptable plant type and delivered a two-year averaged growth period of 140.4 d, which was 2.8 d shorter than the reference, II You 3301. The effective panicle number of the cultivar averaged 2.085 million panicles·hm^(-2), the plant height 135.4 cm, the seed setting rate 86.89%, and the 1000-grain weight 26.3 g. The average crop yield was 9 404.3 kg·hm^(-2), which was 1.50% higher than that of control. The hybrid inherited 7 blast-resistance and two virus-resistance genes from the parents rendering it blast-free in the field and laboratory for 2 years. 【Conclusion】 The rates of brown and milled rice of Yexiangyou 699 (now officially identified as Min Approved Rice No. 20200012) were 80.1% and 68.5%, respectively. The grain quality indicators of the hybrid included 0.8% on chalkiness, Grade 1 on transparency, 5.5 on alkali elimination, 86 mm on gelatinized consistency index, 14.0% on amylopectin content, 3rd grade on the high-quality edible rice set by the Ministry, and high yield and strong disease-resistance in the field. Yexiangyou 699 was recommended as a new breed for cultivation.

关 键 词：抗稻瘟病 杂交稻 野香优699 优质 

分 类 号：S511[农业科学—作物学]