A Preliminary Study on Mechanism of Oligosaccharin Inducing Rubber Tree Resistance to Powdery Mildew

Subtropical Plant Science ›› 2005, Vol. 34 ›› Issue (01): 31-32,24.

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A Preliminary Study on Mechanism of Oligosaccharin Inducing Rubber Tree Resistance to Powdery Mildew

SHAN Jia-lin¹, XIAO Qian-chun², YU Zhuo-tong³, HUANG Wu-ren³, ZHENG Xue-qin⁴, YANG Gong-zheng⁵

1. Agronomy College, South China University of Tropical Agriculture, Danzhou 571737, Hainan China;
2. Plant Protection College, South China University of Tropical Agriculture, Danzhou 571737, Hainan China;
3. Plant Protection Institute, Chinese Academy of Tropical Agriculture Sciences, Danzhou 571737, Hainan China;
4. National Key Laboratory for Tropical Crops Biotechnology, Chinese Academy of Tropical Agriculture Sciences, Haikou 571101, Hainan China;
5. Guangdong Yuanfeng Bioengineering Limited Company, Huazhou 525100, Guangdong China

Received:2004-08-05 Online:2005-03-10 Published:2005-03-10

低聚糖素诱导橡胶树抗白粉病作用机制初探

单家林¹,肖倩莼²,余卓桐³,黄武仁³,郑学勤⁴,杨公正⁵

1. 华南热带农业大学农学院, 海南儋州 571737;
2. 华南热带农业大学植物保护学院, 海南儋州 571737;
3. 中国热带农业科学院植物保护研究所, 海南儋州 571737;
4. 中国热带农业科学院热带作物生物技术国家重点实验室, 海南海口 571101;
5. 广东原沣生物工程有限公司, 广东化州 525100

作者简介:单家林(1964-),男,湖南杯化人,副教授,博士研究生,从事热带植物资源与分子生物学教学与研究。

Abstract

Abstract: The rubber leaf sprayed with oligosaccharin (OS) was compared to CK (water), including the leaf epidermal cell structure, the content of phenol and the activity of peroxidase. The results indicated that OS could induce the changes of tissue structure and the reaction of chemophysiology in rubber tree. It is the important mechanism of OS to improve the rubber tree resistance to powdery mildew.

Key words: oligosaccharin, rubber tree, powdery mildew, resistance, mechanism

摘要： 通过比较喷洒低聚糖素后橡胶树叶片表皮细胞结构、过氧化物酶活性和酚类物质含量的变化表明,低聚糖素可诱导橡胶树的组织结构及生理生化过程发生变化。这些因素是低聚糖素提高橡胶树对白粉病抗病性的重要作用机制。

关键词: 低聚糖素, 橡胶树, 白粉病, 抗病性, 作用机制

CLC Number:

S482.2⁺8

SHAN Jia-lin, XIAO Qian-chun, YU Zhuo-tong, HUANG Wu-ren, ZHENG Xue-qin, YANG Gong-zheng. A Preliminary Study on Mechanism of Oligosaccharin Inducing Rubber Tree Resistance to Powdery Mildew[J]. Subtropical Plant Science, 2005, 34(01): 31-32,24.

单家林,肖倩莼,余卓桐,黄武仁,郑学勤,杨公正. 低聚糖素诱导橡胶树抗白粉病作用机制初探[J]. 亚热带植物科学, 2005, 34(01): 31-32,24.

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A Preliminary Study on Mechanism of Oligosaccharin Inducing Rubber Tree Resistance to Powdery Mildew

低聚糖素诱导橡胶树抗白粉病作用机制初探

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