叶施和根灌ALA对香蕉幼苗冷害的缓解效应
用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响。结果表明,无论叶施或根灌,ALA均可提高低温胁迫下香蕉幼苗叶片超氧化物歧化酶（SOD）、过氧化物酶（POD）活性,降低超氧阴离子产生速率、MDA含量及相对电导率,同时还可增加脯氨酸、可溶性蛋白含量及相对含水量（RWC）,维持叶绿素的稳定性。以叶施0.50～5.00 mg/L ALA效果最好,与同浓度根灌相比,叶施处理的叶绿素含量均显著增加,相对电导率、丙二醛含量均显著降低,5 mg/L ALA叶施比根灌SOD和POD活性提高了64.5%、12.3%,RWC提高了12....
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| Published in | 西南农业学报 Vol. 25; no. 5; pp. 1781 - 1785 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
热带园艺植物种质资源与遗传改良教育部重点实验室,海南大学园艺园林学院,海南海口571737%热带园艺植物种质资源与遗传改良教育部重点实验室,海南大学园艺园林学院,海南海口571737
2012
南京农业大学园艺学院,江苏南京210095%南京农业大学园艺学院,江苏南京,210095 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
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| Abstract | 用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响。结果表明,无论叶施或根灌,ALA均可提高低温胁迫下香蕉幼苗叶片超氧化物歧化酶（SOD）、过氧化物酶（POD）活性,降低超氧阴离子产生速率、MDA含量及相对电导率,同时还可增加脯氨酸、可溶性蛋白含量及相对含水量（RWC）,维持叶绿素的稳定性。以叶施0.50～5.00 mg/L ALA效果最好,与同浓度根灌相比,叶施处理的叶绿素含量均显著增加,相对电导率、丙二醛含量均显著降低,5 mg/L ALA叶施比根灌SOD和POD活性提高了64.5%、12.3%,RWC提高了12.1%,差异均达显著水平。由此表明,ALA叶面喷施可更好地减缓低温胁迫对香蕉造成的冷害。 |
|---|---|
| AbstractList | S668.1; 用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响.结果表明,无论叶施或根灌,ALA均可提高低温胁迫下香蕉幼苗叶片超氧化物歧化酶(SOD)、过氧化物酶(POD)活性,降低超氧阴离子产生速率、MDA含量及相对电导率,同时还可增加脯氨酸、可溶性蛋白含量及相对含水量(RWC),维持叶绿素的稳定性.以叶施0.50～5.00 mg/L ALA效果最好,与同浓度根灌相比,叶施处理的叶绿素含量均显著增加,相对电导率、丙二醛含量均显著降低,5 mg/L ALA叶施比根灌SOD和POD活性提高了64.5％、12.3％,RWC提高了12.1％,差异均达显著水平.由此表明,ALA叶面喷施可更好地减缓低温胁迫对香蕉造成的冷害. 用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响。结果表明,无论叶施或根灌,ALA均可提高低温胁迫下香蕉幼苗叶片超氧化物歧化酶（SOD）、过氧化物酶（POD）活性,降低超氧阴离子产生速率、MDA含量及相对电导率,同时还可增加脯氨酸、可溶性蛋白含量及相对含水量（RWC）,维持叶绿素的稳定性。以叶施0.50～5.00 mg/L ALA效果最好,与同浓度根灌相比,叶施处理的叶绿素含量均显著增加,相对电导率、丙二醛含量均显著降低,5 mg/L ALA叶施比根灌SOD和POD活性提高了64.5%、12.3%,RWC提高了12.1%,差异均达显著水平。由此表明,ALA叶面喷施可更好地减缓低温胁迫对香蕉造成的冷害。 |
| Author | 黄芳 李茂富 汪良驹 李绍鹏 何娟 |
| AuthorAffiliation | 热带园艺植物种质资源与遗传改良教育部重点实验室,海南大学园艺园林学院,海南海口571737 南京农业大学园艺学院,江苏南京210095 |
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| Author_FL | WANG Liang-ju HUANG Fang LI Mao-fu LI Shao-peng HE Juan |
| Author_FL_xml | – sequence: 1 fullname: HUANG Fang – sequence: 2 fullname: LI Mao-fu – sequence: 3 fullname: WANG Liang-ju – sequence: 4 fullname: LI Shao-peng – sequence: 5 fullname: HE Juan |
| Author_xml | – sequence: 1 fullname: 黄芳 李茂富 汪良驹 李绍鹏 何娟 |
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| DocumentTitleAlternate | Mitigative Effects of Foliar Spraying and Root Application on Cold-stressed Banana Seedlings |
| DocumentTitle_FL | Mitigative Effects of Foliar Spraying and Root Application on Cold-stressed Banana Seedlings |
| EndPage | 1785 |
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| Keywords | 叶施 ALA 冷害 根灌 巴西蕉 |
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| Notes | 5-aminolevulinic acid; Brazil banana; Cold damage; Foliar spraying; Root application 51-1213/S After being foliar sprayed and root applicated with four different 5-aminolevulinic acid（ALA） concentration,Brazil banana seedlings was placed in an artificial climate box with 7 ℃ under low temperature stress to study the effects of different Exogenous ALA treatments on chilling-tolerance of banana.The results showed that treatment of foliar spraying and root application could increase significantly SOD and POD activities,decrease significantly leaves generation rate of superoxide free radical（O-2）,plasmamembrane permeability and MDA content of Brazil banana plant,and enhance significantly the content of proline and soluble protein,maintain the stability of chlorophyll.The 5-aminolevulinic acid concentration was expected to be 0.50 to 5.00 mg/L,compared with the same concentration of root application,the chlorophyll content was significantly increased,plasmamembrane permeability and MDA content were significantly red |
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| PublicationTitle | 西南农业学报 |
| PublicationTitleAlternate | Southwest China Journal of Agricultural Sciences |
| PublicationTitle_FL | Southwest China Journal of Agricultural Sciences |
| PublicationYear | 2012 |
| Publisher | 热带园艺植物种质资源与遗传改良教育部重点实验室,海南大学园艺园林学院,海南海口571737%热带园艺植物种质资源与遗传改良教育部重点实验室,海南大学园艺园林学院,海南海口571737 南京农业大学园艺学院,江苏南京210095%南京农业大学园艺学院,江苏南京,210095 |
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| Snippet | 用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响。结果表明,无论叶施或根灌,ALA均可提高低温胁... S668.1; 用4种不同浓度ALA分别叶施和根灌巴西蕉幼苗后置于人工气候箱中7℃下模拟低温胁迫,研究ALA不同处理方式对巴西蕉幼苗冷害的影响.结果表明,无论叶施或根灌,ALA均可提... |
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| SubjectTerms | ALA 冷害 叶施 巴西蕉 根灌 |
| Title | 叶施和根灌ALA对香蕉幼苗冷害的缓解效应 |
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