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茶叶科学 ›› 2006, Vol. 26 ›› Issue (4): 259-264.doi: 10.13305/j.cnki.jts.2006.04.005

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枯草芽孢菌株TL2对茶轮斑病的防病机制

洪永聪, 来玉宾, 叶雯娜, 林培贤, 胡方平*   

  1. 福建农林大学农药与化学生物学教育部重点实验室,福建 福州 350002
  • 收稿日期:2005-11-20 修回日期:2006-08-25 出版日期:2006-12-25 发布日期:2019-09-11
  • 通讯作者: * 胡方平, E-mail:huf@fjau.edu.cn
  • 作者简介:洪永聪(1977-),男,博士,讲师,主要从事植物保护研究等。
  • 基金资助:
    国家自然科学基金资助项目(No. 30370968)

Mechanism of the Control of Tea Grey Blight Disease by Bacillus subtilis Strain TL2

HONG Yong-cong, LAI Yu-bin, YE Wen-na, LIN Pei-xian, HU Fang-ping*   

  1. Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Agricultural and Forestry University, Fuzhou 350002, China
  • Received:2005-11-20 Revised:2006-08-25 Online:2006-12-25 Published:2019-09-11

摘要: 枯草芽孢菌株(Bacillus subtilis)TL2能产生多种外分泌抗菌蛋白,抑制茶轮斑病菌(Pestallozzia theae)的菌丝生长及其分生孢子的形成和萌发。另外,菌株TL2通过改变茶树体内活性氧代谢相关酶系如SOD等的活性,以调节茶树受轮斑病菌侵染后活性氧的代谢平衡,同时诱导茶树产生抗性酶系如PAL和β-1,3-葡聚糖酶,以限制茶树轮斑病菌的扩展。

关键词: 茶树, 枯草芽孢杆菌, 轮斑病, 防病机制

Abstract: The antifungal proteins secreted by Bacillus subtilis strain TL2 were tested and showed a good inhibitive effect on the mycelial growth and the conidia germination of Pestalotiopsis theae. It was also found that when strain TL2 was inoculated, the SOD activity in tea plant were obviously changed to depress the generating speed of superoxide anion in tea plant, also the PAL activity and β-1,3-glucanases activity in tea plant were quickly increased to restrain the expansion of P. theae.

Key words: tea plant, Bacillus subtilis, ring spot disease, control mechanism

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