青稞种质资源表型性状的遗传多样性分析及综合评价
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白羿雄,郑雪晴,姚有华,姚晓华,吴昆仑
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Genetic Diversity Analysis and Comprehensive Evaluation of Phenotypic Traits in Hulless Barley Germplasm Resources
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YiXiong BAI,XueQing ZHENG,YouHua YAO,XiaoHua YAO,KunLun WU
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表1 青稞种质资源的表型性状
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Table 1 Phenotypic traits of hulless barley germplasm resources
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表型性状Phenotypic traits | 平均值Mean±SD | 变幅Range | 变异系数CV (%) | 多样性指数H′ | 根数NOR | 30.13±9.70 | 9.33—75.33 | 32.18 | 1.99 | 根干重RDW (g) | 0.65±0.33 | 0.04—2.41 | 51.52 | 1.94 | 株高PH (cm) | 93.19±15.12 | 41.75—135.34 | 16.23 | 2.07 | 分蘖数NOT | 5.22±2.22 | 1.00—19.75 | 42.44 | 2.03 | 重心位置COG (cm) | 37.27±5.47 | 22.38—67.06 | 14.68 | 2.06 | 茎秆壁厚WT (mm) | 0.61±0.27 | 0.10—2.03 | 45.19 | 1.99 | 茎粗DMS (mm) | 3.86±1.10 | 1.19—7.53 | 28.57 | 2.03 | 茎秆强度SS (N) | 4.94±2.50 | 0.97—15.81 | 50.58 | 1.95 | 穗长SL (cm) | 7.17±1.66 | 2.50—14.25 | 23.14 | 2.07 | 穗重PW (g) | 2.70±1.04 | 0.45—6.04 | 38.34 | 2.08 | 小穗数SN | 19.91±4.38 | 5.00—42.50 | 21.85 | 2.07 | 穗粒数KPS | 46.77±16.15 | 8.25—98.00 | 34.54 | 2.07 | 千粒重TGW (g) | 39.95±7.09 | 21.51—72.45 | 17.74 | 2.04 | 产量Y (kg·hm-2) | 4396.80±2249.39 | 361.42—15409.74 | 51.16 | 2.01 | 倒伏率LR (%) | 32.18±39.10 | 0.00—100.00 | 121.49 | 1.41 |
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