利用自然异常高温开展耐高温水稻品种大群体筛选的方法研究与应用  

Research and Application of Screening Methods for Large Populations of Rice Varieties with High Temperature Tolerance Using Natural Abnormal High Temperature

作　　者：申广勒[1] 张从合 王慧[1] 严志[1] 周桂香[1] 杨韦 黄艳玲[1] 汪和廷 张云虎[1] 陈琳[1] 庞战士[1] 王林[1] SHEN Guang-le;ZHANG Cong-he;WANG Hui(Anhui Win-all Hi-tech Seed Co.,Ltd./Anhui Rice Commercial Molecular Breed-ing and Engineering Research Center/Key Laboratory of New Hybrid Rice Variety Creation,Ministry of Agriculture and Rural Affairs,Hefei,Anhui 230088)

机构地区：[1]安徽荃银高科种业股份有限公司/安徽省水稻商业化分子育种工程研究中心/农业农村部杂交稻新品种创制重点实验室,安徽合肥230088

出　　处：《安徽农业科学》2022年第17期18-21,共4页Journal of Anhui Agricultural Sciences

基　　金：上海市科技兴农项目(沪农科推字[2021]第1-3号)。

摘　　要：分析了合肥地区1985—2010年26年间7月20日至8月20日的气象资料,利用合肥地区高温频发天气,通过分期播种使水稻抽穗开花期遇到田间连续2d最低温度高于27℃且最高温度高于35℃的自然高温,进行多年大群体耐高温筛选,形成了一种经济可行、简单高效的方法对水稻耐高温性进行鉴定,筛选出一批具有耐高温特性的育种材料和品种,为大田耐高温育种奠定基础。The meteorological data from July 20 to August 20 during 1985-2010 in Hefei were analyzed.By using the frequent high temperature weather in Hefei,rice was sown in stages to meet the natural high temperature of the lowest temperature above 27℃and the highest temperature above 35℃for two consecutive days in the field during the heading and flowering stage,and the high temperature resistance of large population was selected for many years.An economical,feasible,simple and efficient method was developed to identify the high temperature resistance of rice,and a batch of breeding materials and varieties with high temperature resistance were screened out,which laid a foundation for high temperature resistance breeding in field.

关 键 词：水稻 耐高温 大群体筛选 

分 类 号：S511[农业科学—作物学]