| 育苗温度对棉苗形态指标和冷害症状的影响 |
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| 引用本文： | 李锐,李生泉,范月仙.育苗温度对棉苗形态指标和冷害症状的影响[J].山西农业大学学报(自然科学版),2006,26(4):345-347. |
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| 作者姓名： | 李锐 李生泉 范月仙 |
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| 作者单位： | 1. 山西农业大学,文理学院,山西,太谷,030801
2. 山西农业大学,现代教育技术学院,山西,太谷,030801 |
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| 基金项目： | 山西省自然科学基金项目(20021084) |
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| 摘 要： | 以不同温度下培育的不同抗冷级别的棉花幼苗为材料,将其幼苗经不同低温处理数天后,测定其形态指标和冷害症状,并与未经低温处理的相应测定值进行分析比较,结果表明：育苗温度对棉花幼苗的抗冷性有明显影响,适当降低育苗温度,冷害症状减轻,幼苗承受低温锻炼的能力与锻炼前的抗冷能力密切相关。
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| 关 键 词： | 棉苗 抗冷性 低温锻炼 育苗温度 |
| 文章编号： | 1671-8151（2006）03-0345-03 |
| 收稿时间： | 2006-03-06 |
| 修稿时间： | 2006-04-07 |
Influence of Nursery Temperature on Morphological and Chill Injury Indexes of Cotton Seedlings |
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| LI Rui,LI Sheng-quan,FAN Yue-xian.Influence of Nursery Temperature on Morphological and Chill Injury Indexes of Cotton Seedlings[J].Journal of Shanxi Agricultural University,2006,26(4):345-347. |
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| Authors: | LI Rui LI Sheng-quan FAN Yue-xian |
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| Institution: | College of Arts and Science, Shanxi Agricultural University, Taigu Shanaci 030801, China |
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| Abstract: | Two varieties of upland cotton belonging to different chilling-resistant levels,i.e.early and late maturity were determined for the indexes of morphological and chili injury in cotton seedlings which have been treated at different low tem- perature day and night.Results indicated nursery temperature had a great influence on chilling resistance of cotton seedlings ~ With nursery temperature falling,chilling-resistance materials in cotton seedlings increased and the chilling injury of cotton seedlings lessened.The ability of cotton seedlings to resist to cold acclimation had close connection with chilling-tolerance of cotton seedlings before cold acclimation. |
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| Keywords: | Cotton seedlings Chilling-resistance Cold acclimation Nursery temperature |
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