游铭佩. 油杉寄生性病害生理和生物化学性状的研究[J]. 西南林业大学学报, 1985, 5(1): 10-16. DOI: 10.11929/j.issn.2095-1914.1985.01.002
引用本文: 游铭佩. 油杉寄生性病害生理和生物化学性状的研究[J]. 西南林业大学学报, 1985, 5(1): 10-16. DOI: 10.11929/j.issn.2095-1914.1985.01.002
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The study of the physiological and biochemical characteristics on the parasitic-disease by Arceuthobium chinense Lccomtc[J]. Journal of Southwest Forestry University, 1985, 5(1): 10-16. DOI: 10.11929/j.issn.2095-1914.1985.01.002
Citation: The study of the physiological and biochemical characteristics on the parasitic-disease by Arceuthobium chinense Lccomtc[J]. Journal of Southwest Forestry University, 1985, 5(1): 10-16. DOI: 10.11929/j.issn.2095-1914.1985.01.002
shu

油杉寄生性病害生理和生物化学性状的研究

The study of the physiological and biochemical characteristics on the parasitic-disease by Arceuthobium chinense Lccomtc

    摘要
  • 摘要: 云南油杉(Keteleeria evelyniana Mast)是我国西南地区主要造林树种之一。在云南省中部地区云南油杉林内普遍遭受油杉寄生Arceuthobium chinense Lecomte)的危害。云南油杉遭受油杉寄生危害后,常在枝干上产生丛枝现象,丛枝以上部分逐渐枯萎,病部出现油杉寄生的植株。病树树冠常部分或甚至全部被寄生植株所代替,使云南油杉生长量降低,质量下降。特别对中幼林造成严重的破坏,据我们于1984年初在云南玉溪地区、东川市、牟定县、昆明市等地调查,严重受害林分发病率可高达95%以上,感病指数可达80以上。

     

    Abstract: The result showed that Arceuthobium chinense Lecomte contained chlorophyll and could take photosynthesis by itself.The parasite could hardly affected the carbohydrate-nutrients of the host,Keteleeria evelyniana Mast. but absorbed greatly the mineral nutrition from it.The parasite destroyed protopectin in the cell wall of the host,which was resolved into soluble pectin,the connection and the components of the cell-wall.That was one of the reasons which led that growth increment,tenacity of the host declined.

     

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