摘要
赤霉病是小麦的重要病害,严重影响小麦产量和品质。为发掘赤霉病的抗性种质资源和抗性基因,本研究分别以苏麦3号、扬麦158、扬麦15和安农8455为高抗、中抗、中感和高感赤霉病对照品种,于2016-2017和2017-2018连续2年对来自江苏的59份小麦品种(系)采用单花滴注接种法进行田间赤霉病抗性鉴定,同时利用与Fhb1、Fhb2、Fhb4、Fhb5和QFhs.crc-2DL连锁的分子标记对供试材料进行检测,并对赤霉病表现为稳定中抗及以上水平品种(系)的千粒重、株高、穗粒数等农艺性状进行调查。结果表明,59份供试小麦品种(系)中,19份在两个年度均表现为中抗。分子标记检测发现,9份小麦品种(系)仅携带Fhb1,平均病小穗率为22.21%;10份小麦品种(系)仅携带QFhs.crc-2DL,平均病小穗率为27.82%;携带Fhb2、Fhb4和Fhb5基因的品种(系)较少。镇麦12号、宁麦1529、宁麦27、镇麦13322、宁麦17110、镇麦13、宁麦17108和宁麦17396的赤霉病抗性和综合农艺性状均较好,可以作为小麦抗赤霉病遗传改良的种质资源。
Fusarium head blight(FHB) is a devastating disease of wheat,which seriously reduces grain yield and end-use quality. In order to exploring resistant germplasm resources and resistant genes to FHB,59 wheat cultivars(lines) from Jiangsu Province were identified for resistance to FHB by single floret injection in 2016-2017 and 2017-2018 and screened using molecular markers related to Fhb1 , Fhb2 , Fhb4 , Fhb5 and QFhs.crc-2DL. Sumai 3,Yangmai 158,Yangmai 15 and Annong 8455 were used as the control of highly resistant,moderately resistant,moderately susceptible and highly susceptible to FHB,respectively. The yield-related agronomic traits were investigated among cultivars(lines) of medium resistance and above level.The results showed that 19 cultivars were moderately resistant to FHB in two years of 2016-2017 and 2017-2018.Among the tested 59 cultivars(lines),9 cultivars probably only carried Fhb1 with 22.21% of diseased rate of spikelets;10 cultivar sprobably only carried QFhs.crc-2DL with 27.82% of diseased rate of spikelets. Fhb2 , Fhb4 and Fhb5 were rarely found in the tested cultivars(lines).Zhenmai 12,Ningmai 1529,Ningmai 27,Zhenmai 13322,Ningmai 17110,Zhenmai 13,Ningmai 17108 and Ningmai 17396 performed good resistance and excellent comprehensive agronomic traits,which can be used as germplasms for FHB resistance breeding.
作者
廖森
方正武
胡文静
王书平
王晓玲
吴荣林
江伟
高德荣
LIAO Sen;FANG Zhengwu;HU Wenjing;WANG Shuping;WANG Xiaoling;WU Ronglin;JIANG Wei;GAO Derong(College of Agriculture,Hubei Center for Collaborative Innovation of Grain Industry,Yangtze University,Jingzhou,Hubei 434025,China;Lixiahe Institute of Agriculture Sciences/Key Laboratory of Wheat Biology and Genetic Improvement for Low&Middle Yangtze Valley,Ministry of Agriculture and Rural Affairs,Yangzhou,Jiangsu 225007,China)
出处
《麦类作物学报》
CAS
CSCD
北大核心
2022年第3期297-305,共9页
Journal of Triticeae Crops
基金
国家重点研发计划项目(2016YFD0100502)
国家自然科学基金项目(31901544),国家现代农业产业技术体系建设专项(CARS-03-03B,CARS-3-2-11)。
关键词
小麦
赤霉病
抗性
分子标记
农艺性状
种质资源
Wheat
Fusarium head blight
Resistance
Molecular marker
Agronomic traits
Germplasm
