小麦种质资源耐热性评价

王小波,关攀锋,辛明明,汪永法,陈希勇,赵爱菊,刘曼双,李红霞,张明义,逯腊虎,魏亦勤,刘旺清,张金波,倪中福,姚颖垠,胡兆荣,彭惠茹,孙其信

Evaluation of Heat Tolerance in Wheat Germplasm Resources

XiaoBo WANG,PanFeng GUAN,MingMing XIN,YongFa WANG,XiYong CHEN,AiJu ZHAO,ManShuang LIU,HongXia LI,MingYi ZHANG,LaHu LU,YiQin WEI,WangQing LIU,JinBo ZHANG,ZhongFu NI,YingYin YAO,ZhaoRong HU,HuiRu PENG,QiXin SUN

表4 供试冬小麦材料（688份）和春小麦材料（637份）耐热性分布

Table 4 Distribution of heat tolerance for winter (688 accessions) and spring (637 accessions) wheat

评价 Evaluation 热感指数 Heat susceptibility index 材料数Number of genotype 比率Percent (%) 冬小麦Winter wheat 春小麦Spring wheat 冬小麦Winter wheat 春小麦Spring wheat 极耐热Extreme heat resistant HSI<0.5 38 48 4.51 7.54 中等耐热Medium heat resistant 0.5≤HSI<1 323 258 48.40 40.50 中等热敏感Medium heat sensitive 1≤HSI<1.5 303 273 44.33 42.86 极敏感Extreme heat sensitive HSI≥1.5 24 58 2.76 9.11