黄淮海麦区小麦耐热性分析及其鉴定指标的筛选
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李敏,苏慧,李阳阳,李金鹏,李金才,朱玉磊,宋有洪
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Analysis of Heat Tolerance of Wheat with Different Genotypes and Screening of Identification Indexes in Huang-Huai-Hai Region
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LI Min,SU Hui,LI YangYang,LI JinPeng,LI JinCai,ZHU YuLei,SONG YouHong
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表5 聚类结果中不同耐热类型小麦品种各性状的表现特征
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Table 5 Description of different types to high temperature tolerance in hierarchical cluster result
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类型
Type | 对照 CK | 冠层温度
Canopy temperature (℃) | MDA | SOD | CAT | 单穗粒重
Seed weight per plant (g) | 千粒重
Thousand-grain weight (g) | 产量
Yield (kg·hm-2) | | 耐热型 Heat tolerance type | 28.51±0.39c | 35.61±7.95c | 166.14±9.81b | 23.86±7.99c | 1.76±0.16b | 50.61±2.29a | 9095.68±649.98c | 中等耐热型
Medium heat tolerance type | 29.25±0.37b | 37.18±9.63b | 168.07±3.33a | 28.03±10.78b | 1.71±0.19c | 51.02±4.81a | 9464.97±826.48a | 高温敏感型
Heat sensitive type | 29.77±0.50a | 39.81±9.34a | 166.45±11.52b | 28.68±8.91a | 1.80±0.12a | 51.09±2.67a | 9329.20±159.35b | 类型
Type | 高温 HT | 冠层温度
Canopy temperature (℃) | MDA | SOD | CAT | 单穗粒重
Seed weight per plant (g) | 千粒重
Thousand-grain weight (g) | 产量
Yield (kg·hm-2) | | 耐热型 Heat tolerance type | 28.67±0.43c | 38.92±8.43c | 151.49±9.68a | 22.29±6.96b | 1.73±0.16a | 48.90±2.49a | 8844.82±678.65b | 中等耐热型
Medium heat tolerance type | 30.48±0.60b | 43.34±10.19b | 142.92±8.62b | 23.30±9.34a | 1.66±0.21b | 48.25±4.03ab | 8907.94±944.92a | 高温敏感型
Heat sensitive type | 31.39±0.60a | 48.34±10.75a | 125.89±10.35c | 22.02±6.37c | 1.72±0.10a | 48.02±2.44b | 8792.64±484.80c |
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