甘草叶片形态结构和光合作用对干旱胁迫的响应
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张东, 刘艳, 张晗, 张子健, 王洋, 刘美岑
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Response of Photosynthesis and Leaf Morphological Characteristics to Drought Stress in Glycyrrhiza uralensis
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Dong ZHANG, Yan LIU, Han ZHANG, Zi-Jian ZHANG, Yang WANG, Mei-Cen LIU
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表1 干旱胁迫下甘草叶片表皮气孔形态结构
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Table1 Leaf epidermal morphology of G. uralensis under drought stress
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材料 Material | 处理 Treatment | 上表皮密度 Stomatal density of upper epidermis (个·mm-2) | 下表皮密度 Stomatal density of lower epidermis (个·mm-2) | 上表皮开张比 Porosity opening ratio of upper epidermis(%) | 下表皮开张比 Porosity opening ratio of lower epidermis(%) | 上表皮开张宽度 Stomatal opening width of upper epidermis(μm) | 下表皮开张宽度 Stomatal opening width of lower epidermis(μm) |
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新叶 Young leaves | CK | 75.3±4.5b | 216.7±4.5ab | 46.0±1.0b | 34. 7±1.5b | 1.36±0.05b | 2.14±0.05a | LS | 91.3±5.1a | 224±2.6a | 53. 7±1.5a | 48.0±2.0a | 1.72±0.04a | 1.74±0.05b | MS | 66.7±3.5bc | 203.7±3.5bc | 44.3±1.2b | 30.7±2.1b | 0.78±0.04c | 0.60±0.03c | SS | 61.7±4.7c | 180.7±3.1c | 38.3±1.5c | 13.7±1.5c | 0.58±0.03d | 0.52±0.01c | 成熟叶 Mature leaves | CK | 71.3±4.5b | 260±3.0a | 68. 7±1.5a | 57.33±0.6b | 1.92±0.04a | 2.4±0.1a | LS | 104.7±6.5a | 201.3±4.2b | 71.3±1.5a | 73.33±1.5a | 1.89±0.03a | 2.1±0.02b | MS | 87.7±2.5b | 142.3±1.5c | 30.7±2.5b | 51±1.0b | 1.15±0.05b | 0.77±0.03c | SS | 38.3±3.5c | 213.3±2.5b | 22.3±2.5c | 10.33±1.5c | 0.95±0.05c | 0.73±0.04c | 衰老叶 Aging leaves | CK | 76.3±2.5a | 167.3±2.5a | 58±2.0b | 23.67±1.5b | 1.18±0.03b | 0.98±0.02a | LS | 62.7±2.5b | 141.3±3.5b | 67.7±1.2a | 29±1.0a | 1.38±0.03a | 0.94±0.03a | MS | 46.3±3.5c | 173.7±2.5a | 21±2.6c | 12.33±1.5cd | 0.78±0.03c | 0.71±0.02bc | SS | 24.0±3.6d | 163.7±4.0a | 17.7±0.6c | 7.67±1.5d | 0.77±0.03c | 0.58±0.03c |
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