5个木薯品种对低温胁迫的响应及其抗寒性评价
通过室内模拟低温胁迫，对木薯品种SC5、SC8、SC9、SC205和GR911的相关生理指标进行测定和分析，并运用隶属函数法对5个品种的抗寒性进行评价；结合田间寒害观测，对评价结果作了进一步验证。结果表明，抗寒性较好的木薯品种是GR91l，较差的是SC9；根据相关分析的结果，初步确定相对电导率、MDA含量、POD活性可作为木薯抗寒性评价的参考指标。同时．推测低温胁迫后2-4d是木薯寒害发生的临界点。...
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| Published in | 广东农业科学 Vol. 39; no. 11; pp. 30 - 33 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
仲恺农业工程学院园艺园林学院,广东广州,510225
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
| DOI | 10.3969/j.issn.1004-874X.2012.11.009 |
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| Abstract | 通过室内模拟低温胁迫，对木薯品种SC5、SC8、SC9、SC205和GR911的相关生理指标进行测定和分析，并运用隶属函数法对5个品种的抗寒性进行评价；结合田间寒害观测，对评价结果作了进一步验证。结果表明，抗寒性较好的木薯品种是GR91l，较差的是SC9；根据相关分析的结果，初步确定相对电导率、MDA含量、POD活性可作为木薯抗寒性评价的参考指标。同时．推测低温胁迫后2-4d是木薯寒害发生的临界点。 |
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| AbstractList | 通过室内模拟低温胁迫，对木薯品种SC5、SC8、SC9、SC205和GR911的相关生理指标进行测定和分析，并运用隶属函数法对5个品种的抗寒性进行评价；结合田间寒害观测，对评价结果作了进一步验证。结果表明，抗寒性较好的木薯品种是GR91l，较差的是SC9；根据相关分析的结果，初步确定相对电导率、MDA含量、POD活性可作为木薯抗寒性评价的参考指标。同时．推测低温胁迫后2-4d是木薯寒害发生的临界点。 S533; 通过室内模拟低温胁迫,对木薯品种SC5、SC8、SC9、SC205和GR911的相关生理指标进行测定和分析,并运用隶属函数法对5个品种的抗寒性进行评价；结合田间寒害观测,对评价结果作了进一步验证.结果表明,抗寒性较好的木薯品种是GR911,较差的是SC9;根据相关分析的结果,初步确定相对电导率、MDA含量、POD活性可作为木薯抗寒性评价的参考指标.同时,推测低温胁迫后2～4 d是木薯寒害发生的临界点. |
| Author | 尹彩霞 尧瑞霞 乔爱民 |
| AuthorAffiliation | 仲恺农业工程学院园艺园林学院,广东广州510225 |
| AuthorAffiliation_xml | – name: 仲恺农业工程学院园艺园林学院,广东广州,510225 |
| Author_FL | YIN Cai-xia QIAO Ai-min YAO Rui-xia |
| Author_FL_xml | – sequence: 1 fullname: YIN Cai-xia – sequence: 2 fullname: YAO Rui-xia – sequence: 3 fullname: QIAO Ai-min |
| Author_xml | – sequence: 1 fullname: 尹彩霞 尧瑞霞 乔爱民 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1004-874X.2012.11.009 |
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| DocumentTitleAlternate | The response to cold stress and evaluation of cold resistance of five cassava varieties |
| DocumentTitle_FL | The response to cold stress and evaluation of cold resistance of five cassava varieties |
| EndPage | 33 |
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| Keywords | 抗寒性 评价 木薯 隶属函数法 低温胁迫 |
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| Notes | 44-1267/S cassava; cold resistance; cold stress; subordinate function; evaluation YIN Cai-xia, YAO Rul-xia, QIAO Ai-min （College of Horticuhure and Landscape, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China） This article carried out the research on the cold resistance of five popularized cassava varieties including SC5,SC8,SC9, SC205 and GRgll. Basing on the related physiological indexes, the cold resistance of these varieties had been evaluated with the subordinate function under simulated cold stress conditions by combining with the observation in the field. The results showed that GR911 had the highest cold resistance in these varieties, and SC9 had the worst. According to the correlation analysis, electrical conductivity, MDA content, and POD activity were the better evaluated index for the cold hardiness assessment, Furthermore, the article supposed that the second to fourth days during the happening of cold stress was the critical time for protecting cassava from the freezing di |
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| PublicationTitle | 广东农业科学 |
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| PublicationYear | 2012 |
| Publisher | 仲恺农业工程学院园艺园林学院,广东广州,510225 |
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| SubjectTerms | 低温胁迫 抗寒性 木薯 评价 隶属函数法 |
| Title | 5个木薯品种对低温胁迫的响应及其抗寒性评价 |
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