| 北京城郊雪松冻害调查及分析 |
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| 引用本文： | 王永格,聂秋枫,常卫民,丛日晨.北京城郊雪松冻害调查及分析[J].北京农学院学报,2011,26(1):54-57. |
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| 作者姓名： | 王永格 聂秋枫 常卫民 丛日晨 |
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| 作者单位： | 北京市园林科学研究所,北京,100102 |
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| 摘 要： | 2010年3-4月,对北京城郊雪松冻害情况进行调查分析,6月份对其恢复情况进行了跟踪观测。结果表明,骤然降温和极端低温是雪松受冻害的主要原因;大多数雪松均有不同程度的冻害发生,城八区和郊区县冻害稍轻,五环外苗圃受冻害较严重;叶片受冻Ⅰ-Ⅲ级,枝条受冻Ⅰ-Ⅱ级雪松开春后基本能恢复树势,景观效果不受影响;今后应做好边缘树种冬季防寒工作,减少冻害发生。
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| 关 键 词： | 雪松 低温 冻害 |
Investigation and analysis on frozen injury of Cedrus deodara in Beijing suburbs |
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| WANG Yong-ge,NIE Qiu-feng,CHANG Wei-min,CONG Ri-chen.Investigation and analysis on frozen injury of Cedrus deodara in Beijing suburbs[J].Journal of Beijing Agricultural College,2011,26(1):54-57. |
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| Authors: | WANG Yong-ge NIE Qiu-feng CHANG Wei-min CONG Ri-chen |
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| Institution: | WANG Yong-ge,NIE Qiu-feng,CHANG Wei-min,CONG Ri-chen(Beijing Institute of Landscape and Gardening,Beijing 100102,China) |
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| Abstract: | The frozen injury of Cedrus deodara in Beijing suburbs was investigated from March to April in 2010 and the situation of restoration was observed in June.The results showed that,the primary reason on frozen injury of Cedrus deodara were the sudden cooling and the extreme low temperature.Most Cedrus deodara suffered varying degrees of frozen injury,the eight districts and suburb's were less affected and nurseries at the areas out of the fifth-ring's were more affected.Frozen Cedrus deodara whose leaves suffe... |
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| Keywords: | Cedrus deodara low temperature frozen injury |
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