甜菜幼苗光合生理对干旱胁迫的响应
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尹希龙, 石杨, 李王胜, 兴旺
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Photosynthetic Physiological Response to Drought Stress in Sugar Beet at Seedling Stage
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Yin Xilong, Shi Yang, Li Wangsheng, Xing Wang
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表1 甜菜幼苗表型指标
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Table 1 Phenotypic indexes of sugar beet seedlings
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时间 Time (d) | 处理 Treatment | 品种 Variety | 茎粗 Stem diameter (cm) | 株高 Plant height (cm) | 根长 Root length (cm) | 叶鲜重 Leaf fresh weight (g) | 根鲜重 Root fresh weight (g) | 叶干重 Leaf dry weight (g) | 根干重 Root dry weight (g) | 2 | CK | V1 | 4.07±0.11a | 16.33±0.85a | 25.33±0.62a | 4.62±0.09a | 1.83±0.08a | 0.66±0.03a | 0.17±0.00a | | | V2 | 3.91±0.07a | 14.67±0.24a | 25.00±0.41a | 4.48±0.08a | 1.81±0.05a | 0.61±0.02ab | 0.16±0.00a | | DS | V1 | 3.85±0.10a | 15.33±0.24a | 24.17±0.62a | 4.41±0.14a | 1.67±0.06a | 0.55±0.02b | 0.17±0.00a | | | V2 | 3.25±0.04b | 12.67±0.62b | 21.33±0.85b | 3.40±0.11b | 1.36±0.04b | 0.44±0.02c | 0.15±0.00b | 5 | CK | V1 | 5.89±0.07a | 20.43±0.76a | 31.73±0.61a | 12.94±0.57a | 4.08±0.51a | 0.90±0.06a | 0.28±0.01a | | | V2 | 5.75±0.06a | 19.17±0.24a | 30.50±0.41a | 13.00±0.72a | 3.59±0.18a | 0.85±0.02a | 0.27±0.02a | | DS | V1 | 3.56±0.06b | 13.50±0.41b | 22.17±0.62b | 4.18±0.12b | 1.41±0.05b | 0.36±0.02b | 0.15±0.00b | | | V2 | 2.89±0.04c | 10.00±0.41c | 17.00±0.41c | 2.94±0.09b | 1.02±0.09b | 0.19±0.02c | 0.13±0.00b | 7 | CK | V1 | 8.79±0.18a | 24.33±0.47a | 37.00±0.82a | 16.75±0.53a | 5.98±0.13a | 1.69±0.10a | 0.43±0.02a | | | V2 | 8.73±0.18a | 23.67±0.24a | 36.17±0.62a | 16.55±0.17a | 5.93±0.10a | 1.65±0.07a | 0.42±0.02a | | DS | V1 | 3.35±0.11b | 11.83±0.34b | 20.33±0.85b | 4.01±0.13b | 1.25±0.06b | 0.24±0.03b | 0.14±0.00b | | | V2 | 2.46±0.06c | 6.00±0.41c | 13.00±0.41c | 2.50±0.13c | 0.76±0.06c | 0.14±0.01b | 0.07±0.01c |
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