Ecology of larch black leaf rust in Russian Far East

俄罗斯远东地区落叶松黑叶锈病的生态学

基本信息

  • 批准号:
    07041125
  • 负责人:
  • 金额:
    $ 1.22万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for international Scientific Research
  • 财政年份:
    1995
  • 资助国家:
    日本
  • 起止时间:
    1995 至 无数据
  • 项目状态:
    已结题

项目摘要

Larch black leaf rust was known to occur on Larix species in northeast China and adjacent areas. The rust was found on L.gmelini in the Primorski District, Russia in 1994. The disease incidence was sever and indicated that the causal fungus has potential to devastate larch stands, which are the major component of the Taiga vegetation, whenever environmental conditions favor the fungus to spread and infect. Nevertheless, virtually nothing is known as to its life cycle, host specificity and primary inoculum in nature, all of which are indispensable in order to develop the ecology-based effective control measures of the disease. In this context, field observations were carried out in Vladivostok, Ussuriski and Sikhote-Alin Nature Reserves, and Mt. Livadiskaya in the Primorski District and Yakutsk in 1995. The rust was only found on L.gmelini in the Sikhote-Alin Nature Reserve where the rust seemed to persist steadily. As to life cycle of the causal fungus, its uredinial stage was found for the first time in nature, indicating that the fungus multiplies and widely disperses by the vegetatively reproducing urediniospores. Inoculation experiments proved this presumption ; the urediniospores formed on L.gmelini was successfully infected L.gmelini and L.kaempferi reproducing uredinia first and then telia on both species. Further inoculation experiments are now being made to find out entire life cycle of the larch black leaf rust fungus.
落叶松黑叶锈病是我国东北及邻近地区落叶松属树种的主要病害。1994年在俄罗斯Primorski区的L.gmelini身上发现了这种锈病。发病率是严重的,并表明,致病真菌有可能使落叶松林,这是针叶林植被的主要组成部分,只要环境条件有利于真菌传播和感染。然而,实际上对其生命周期、宿主特异性和自然界中的初级接种物一无所知,所有这些对于发展基于生态的有效控制该疾病的措施是必不可少的。在这方面,在海参崴、乌苏里斯基和Sikhote-Alin自然保护区以及Mt. 1995年在滨海边疆区和雅库茨克的Livadiskaya。这种锈病只在锡霍特-阿林自然保护区的L.gmelini身上发现,那里的锈病似乎持续稳定。在生活史方面,首次发现该病原菌存在夏孢子期,表明该病原菌是通过无性繁殖夏孢子进行繁殖和广泛传播的。接种实验证明了这一假设,在L.gmelini上形成的夏孢子成功地感染L.gmelini和L.kaempferi,在两个物种上首先繁殖夏孢子,然后繁殖冬孢子。目前正在进行进一步的接种试验,以了解落叶松黑叶锈菌的整个生活史。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Ono,Y.,Azbukina,Z.M.,Kakishima,M.and Kaneko,S.: "Life cycle of larch black leaf rust fungus." Jonrnal of the Japanese Forestry Society(日本林学会報). (発表予定).
Ono, Y.、Azbukina, Z.M.、Kakishima, M. 和 Kaneko, S.:“落叶松黑叶锈菌的生命周期”。日本林业学会杂志(待发表)。
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ONO Yoshitaka其他文献

ONO Yoshitaka的其他文献

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{{ truncateString('ONO Yoshitaka', 18)}}的其他基金

Host specificity, life cycle and speciation in rust fungi
锈菌的宿主特异性、生命周期和物种形成
  • 批准号:
    18570081
  • 财政年份:
    2006
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Functional regulation of centrosome and Golgi apparatus by signal-anchoring proteins.
信号锚定蛋白对中心体和高尔基体的功能调节。
  • 批准号:
    17370049
  • 财政年份:
    2005
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Studies on the function of a centrosome and Golgi localized giant anchoring protein CG-NAP
中心体和高尔基体定位巨型锚定蛋白CG-NAP的功能研究
  • 批准号:
    13480209
  • 财政年份:
    2001
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Evolutionary biology of microcyclic rust fungi
微循环锈菌的进化生物学
  • 批准号:
    09640744
  • 财政年份:
    1997
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Studies on the structure and function of protein kinase PKN
蛋白激酶PKN的结构与功能研究
  • 批准号:
    08458230
  • 财政年份:
    1996
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Parasitic and pathogenic variation of soybean rust fungi and their geographic distribution.
大豆锈菌的寄生、致病变异及其地理分布。
  • 批准号:
    01560046
  • 财政年份:
    1989
  • 资助金额:
    $ 1.22万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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