[1]姜宁,孙秀玲,李学武,等. 青海云杉矮槲寄生害的危害评估——以青海省仙米林场、麦秀林场为例[J].西北林学院学报,2017,32(1):190-196.[doi:10.3969/j.issn.1001-7461.2017.01.30]
　JIANG Ning,SUN Xiu-ling,LI Xue-wu,et al. Risk Assessment of Arceuthobium sichuanense to Picea crassifolia——Take Xianmi Forest Farm and Maixiu Forest Farm in Qinghai Province for Example[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(1):190-196.[doi:10.3969/j.issn.1001-7461.2017.01.30]
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 青海云杉矮槲寄生害的危害评估——以青海省仙米林场、麦秀林场为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第1期
页码:
190-196
栏目:
出版日期:
2017-01-31

文章信息/Info

Title:
 Risk Assessment of Arceuthobium sichuanense to Picea crassifolia——Take Xianmi Forest Farm and Maixiu Forest Farm in Qinghai Province for Example
文章编号:
1001-7461(2017)01-0190-07
作者:
 姜宁1; 孙秀玲2; 李学武3; 田呈明1*
 （1.北京林业大学 林学院，北京 100083；2.北京自然博物馆，北京 100050；3.国家林业局调查规划设计院，北京 100714）
Author(s):
 JIANG Ning1; SUN Xiu-ling2; LI Xue-wu3; TIAN Cheng-ming1*
 (1.College of forestry,Beijing Forestry University,Beijing 100083,China; 2.Beijing Museum of Natural History,Beijing 100050,China; 3.Academy of Forest Inventory and Planning,State Forestry Administration,Beijing 100714,China)
关键词:
 ; 云杉矮槲寄生; 危害; 生长量损失; 修枝
Keywords:
 ; Arceuthobium sichuanense;  risk assessment;  biomass loss;  pruning
分类号:
S791.18
DOI:
10.3969/j.issn.1001-7461.2017.01.30
文献标志码:
A
摘要:
 对17个受云杉矮槲寄生(Arceuthobium sichuanense)为害的青海云杉(Picea crassifolia)样地调查，结果表明：云杉矮槲寄生能够降低青海云杉的结实率，并增加小蠹虫入侵的几率以及致死率，最终影响云杉林的自然更新。云杉寄生害的不同危害等级对云杉胸径、树高和材积的影响程度呈递增状态，各危害等级对树高平均年生长量、径平均年生长量、材积平均年生长量之间的影响呈显著性差异，且当危害等级达到Ⅲ级时，对寄主造成严重危害。同时发现青海云杉的2年生针叶长度和直径随着危害等级的增加递减。对受害青海云杉进行修枝处理的完全治愈率达到45.4%，降低危害等级的比例达到72.8%，是有效控制云杉矮槲寄生危害的技术手段。
Abstract:
 An investigation was carried out in 17 sampling plots in two forest farms on the injuries of Picea crassifolia by parasitic Arceuthobium sichuanense.The results indicated that the parasitism decreased the seed setting rate of P.crassifolia,increased the evasion possibility and lethality of bark beetles,eventually inhibited the natural regeneration of P.crassifolia.The levels of injury of P.crassifolia by parasitice A.sichuanense were positively correlated to the annual average growths of tree height,diameter,and timber volume.Most serious damages occurred at injury level Ⅲ.It was found that the needle length and diameter of biennial branches of P.crassifolia increased with the increase of injury level.After pruning,the recovery rate reached 45.4% ,the level of injury of 72.8% trees decreased,indicating the usefulness of pruning.

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备注/Memo

备注/Memo:
 收稿日期：2016-05-10修回日期：2016-06-23
基金项目：国家“十二五”林业科技支撑项目（2012BAD19B0702）；林业公益性行业科研专项（201204503）。
作者简介：姜宁，男，硕士，研究方向：森林病理学。E-mail:jn_pathology@bjfu.edu.com
*通信作者：田呈明，男，教授，博士生导师，研究方向：森林病理学。E-mail:chengmt@bjfu.edu.com
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