大麦种质资源成株期抗旱性鉴定及抗旱指标筛选
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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
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Drought resistance identification and drought resistance indexes screening of barley resources at mature period
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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
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表2 干旱胁迫和正常灌水条件下供试大麦种质各测定指标平均值差异分析
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Table 2 Mean values of all indices in tested barley resources under drought stress and normal irrigation
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项目 Item | 株高 PH (cm) | 穗长 SL (cm) | 分蘖数 TN | 单株粒数 GNPP | 单株粒重GWPP (g) | 穗粒数 KNPS | 千粒重 TGW (g) | 产量 Y (kg hm-2) | CK | T | CK | T | CK | T | CK | T | CK | T | CK | T | CK | T | CK | T | 平均值 Ave. | 79.41 | 58.59 | 7.61 | 6.31 | 2.66 | 2.29 | 62.77 | 52.11 | 3.01 | 2.31 | 23.67 | 21.04 | 48.84 | 43.42 | 3.07 | 1.45 | 变异系数 CV | 0.086 | 0.105 | 0.084 | 0.136 | 0.078 | 0.150 | 0.101 | 0.128 | 0.146 | 0.185 | 0.098 | 0.121 | 0.070 | 0.074 | 0.083 | 0.412 | 标准误 SE | 6.623 | 0.666 | 0.261 | 7.352 | 0.325 | 1.808 | 3.077 | 2.428 | t值 t-value | 17.218 | 10.746 | 7.794 | 7.946 | 10.919 | 7.985 | 9.655 | 5.855 | P值 P-value | 0.0001** | 0.0001** | 0.0001** | 0.0001** | 0.0001** | 0.0001** | 0.0001** | 0.0001** | 相关系数 r | 0.499 | 0.652 | 0.665 | 0.382 | 0.681 | 0.737 | 0.587 | 0.352 |
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