大麦种质资源成株期抗旱性鉴定及抗旱指标筛选

徐银萍,潘永东,刘强德,姚元虎,贾延春,任诚,火克仓,陈文庆,赵锋,包奇军,张华瑜

Drought resistance identification and drought resistance indexes screening of barley resources at mature period

Yin-Ping XU,Yong-Dong PAN,Qiang-De LIU,Yuan-Hu YAO,Yan-Chun JIA,Cheng REN,Ke-Cang HUO,Wen-Qing CHEN,Feng ZHAO,Qi-Jun BAO,Hua-Yu ZHANG

表9 供试大麦种质抗旱性评价指标的分级

Table 9 Classification of drought resistance evaluation indexes in tested barley germplasm

指标 Index 隶属函数 Subordinate function value 1 2 3 4 5 株高 PH 0.883 0.593 0.555 0.415 0.466 穗长 EL 0.923 0.705 0.653 0.427 0.100 分蘖数 TN 0.781 0.793 0.695 0.471 0.024 单株粒数 GNPP 0.951 0.709 0.707 0.501 0.141 单株粒重 GWPP 0.821 0.630 0.552 0.504 0.208 穗粒数 KNPS 0.865 0.848 0.764 0.513 0.310 千粒重 TGW 0.664 0.457 0.509 0.471 0.226 产量 Y 0.945 0.818 0.328 0.243 0.057 CDC值 CDC-value 0.898 0.852 0.801 0.744 0.651 D值 D-value 0.863 0.698 0.534 0.391 0.188 WDC值 WDC-value 0.895 0.848 0.793 0.734 0.640