小麦种质资源抗旱性鉴定评价
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李龙,毛新国,王景一,昌小平,柳玉平,景蕊莲
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Drought Tolerance Evaluation of Wheat Germplasm Resources
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Long LI,Xin-Guo MAO,Jing-Yi WANG,Xiao-Ping CHANG,Yu-Ping LIU,Rui-Lian JING
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表2 不同水分条件下供试材料的产量及其构成因素
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Table 2 Yield and yield components of tested accessions under different water regimes
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产量性状
Yield trait | 干旱 Drought stress | 灌水 Well watered | 下降幅度 Decreased (%) | | 平均值 Mean | 标准差 SD | 变异系数 CV (%) | 平均值 Mean | 标准差 SD | 变异系数 CV (%) | | 单株穗数 SPP | 7.0** | 1.1 | 15.9 | 7.8 | 1.5 | 18.8 | 10.6 | | 每穗小穗数 SNPP | 19.0* | 1.3 | 6.9 | 20.6 | 1.3 | 6.3 | 7.9 | | 穗粒数 GNPS | 38.0** | 4.9 | 12.9 | 44.4 | 5.3 | 11.9 | 14.5 | | 千粒重 TKW (g) | 38.0** | 4.8 | 12.5 | 43.3 | 5.1 | 11.8 | 12.2 | | 单株产量 GY (g) | 8.6** | 1.8 | 20.3 | 9.9 | 2.3 | 22.7 | 13.0 |
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