[1]何开跃,李晓储,黄利斌,等.福建柏抗寒生理指标变化研究(英文)[J].南京林业大学学报(自然科学版),2002,26(05):010-14.[doi:10.3969/j.jssn.1000-2006.2002.05.003]
 HE Kai yue,LI Xiao chu,HUANG Li bin,et al.A Study on Variations of Physiological Indices of Cold Resistance in Fukiencypress[J].Journal of Nanjing Forestry University(Natural Science Edition),2002,26(05):010-14.[doi:10.3969/j.jssn.1000-2006.2002.05.003]
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福建柏抗寒生理指标变化研究(英文)
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
26
期数:
2002年05期
页码:
010-14
栏目:
研究论文
出版日期:
1900-01-01

文章信息/Info

Title:
A Study on Variations of Physiological Indices of Cold Resistance in Fukiencypress
文章编号:
1000-2006(2002)05-0010-05
作者:
何开跃;李晓储;黄利斌;杨宗武;严洪真
南京林业大学;江苏南京210037;江苏省林业科学研究院;江苏南京211153;江苏省林业科学研究院;江苏南京211153;福建省林业科学研究院;福建福州350012;南京林业大学;江苏南京210037
Author(s):
HE Kai yue 1LI Xiao chu 2HUANG Li bin 2YANG Zong wu 3YAN Hong zhen 1
1.Nanjing Forestry University,Nanjing 210037,China;2.Jiangsu Academy of Forestry, Nanjing 211153,China;3.Fujian Academy of Forestry,Fuzhou 350012,China
关键词:
福建柏冻害抗寒生理指标
Keywords:
FukiencypressFreeze injuryPhysiological indices of cold resistance
分类号:
*
DOI:
10.3969/j.jssn.1000-2006.2002.05.003
文献标志码:
A
摘要:
<正>对福建柏 1~ 2年生苗木进行 - 8℃ ,- 1 5℃低温胁迫处理试验测定表明 ,在处理 2 4h情况下 ,植株体内叶绿素和脯氨酸的含量比对照 (自然低温 - 4℃ )都有所升高 ,而根活力指标均有所降低 ;且种源间差异明显 :叶绿素和脯氨酸含量的增加率为仙游和南靖种源均大于德化种源 ;根活力指标的降低率为仙游 <南靖 <德化。对仙游种源 2年生苗木低温处理试验测定表明 ,叶绿素和脯氨酸含量在处理 2 4h时均升高 ,但在处理 48h、72h时叶绿素含量明显下降 ;脯氨酸含量在处理 72h时明显升高。可溶性糖含量在处理48h和 72h后有所升高。MDA含量在冷冻处理时均升高 ,田间同步观测表明 ,在 - 7℃ 2 4h自然低温条件下 ,2年生福建柏苗仅出现少量侧枝顶端鳞叶轻微受冻 ;- 8℃持续 48h自然低温 ,则出现中度冻害 (多数苗木未见顶梢受冻 ) ;而经 - 8℃处理 72h ,- 1 5℃处理 48h和 72h的苗木绝大多数冻死。低温处理福建柏叶绿素、脯氨酸和根活力指标的变化是植株适应不利气温的生理机制调节反应。利用低温胁迫处理后上述生理指标的变化 ,可以寻求评估耐寒种源的途径 ,并为北移引种提供科学实验依据。
Abstract:
The results of the low temperature(-8 ℃,-15 ℃)treatment of the 1~2 a seedlings of Fukiencypress demonstrated that,when treated for 24 hours,the contents of chlorophyll and proline in plants increased in comparison with the control of natural low temperature at -4 ℃ with the root vitality decreasing.Moreover,the differences among provenance were quite marked.The increase ratios in chlorophyll and proline were that the provenance of Xianyou and Nanjing were higher than that of Dehua while the decrease ratios in root vitality were Xianyou

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更新日期/Last Update: 1900-01-01