小麦种质资源成株期氮效率评价及筛选
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赵瑞,张旭辉,张程炀,郭泾磊,汪妤,李红霞
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Evaluation and Screening of Nitrogen Efficiency of Wheat Germplasm Resources at Mature Stage
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ZHAO Rui,ZHANG XuHui,ZHANG ChengYang,GUO JingLei,WANG Yu,LI HongXia
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表4 各性状指标耐氮系数与综合评价D值的灰色关联度分析
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Table 4 Grey relational analysis between nitrogen tolerance coefficient and comprehensive evaluation value D
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性状
Trait | 耐低氮性
Low nitrogen tolerance | 耐高氮性
High nitrogen tolerance | 关联度
Correlation
degree | 位次
Rank | 关联度
Correlation
degree | 位次
Rank | | 株高PH | 0.781 | 5 | 0.708 | 7 | | 穗长SL | 0.794 | 2 | 0.707 | 8 | | 旗叶长FLL | 0.792 | 4 | 0.730 | 2 | | 旗叶宽FLW | 0.748 | 11 | 0.703 | 9 | | 茎粗SD | 0.755 | 9 | 0.717 | 5 | | 可育小穗数FSN | 0.772 | 7 | 0.663 | 11 | | 穗粒数GNPS | 0.752 | 10 | 0.712 | 6 | | 千粒重TKW | 0.794 | 3 | 0.726 | 3 | | 粒长GL | 0.765 | 8 | 0.701 | 10 | | 粒宽GW | 0.773 | 6 | 0.718 | 4 | | 单穗产量GWPS | 0.815 | 1 | 0.765 | 1 |
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