[1]李建康李有忠,李 莉,贺 虹,等.红脂大小蠹的分布型与防治指标研究[J].西北林学院学报,2006,21(05):109.
 LI JiankangLI Youzhong,LILi,HEHong,et al.Distributional Patten and Economic Thresholds of Dendroctonus valens[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(05):109.
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红脂大小蠹的分布型与防治指标研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年05期
页码:
109
栏目:
森林资源保护
出版日期:
2006-10-30

文章信息/Info

Title:
Distributional Patten and Economic Thresholds of Dendroctonus valens
作者:
李建康12李有忠2李 莉2贺 虹1郭新荣1李孟楼1*
1.西北农林科技大学 林学院, 陕西 杨陵 712100;2.陕西省林业厅 森防站, 陕西 西安 710082
Author(s):
LI Jiankang12LI Youzhong2LILi2HEHong1GUO Xinrong1LI Menglou1*
1.College of Forestry, Northwest A F University, Yangling, Shaanxi 712100, China;2.Shaanxi Province General Station of Forest Pest Control and Quarantine, Xi'an, Shaanxi 710082, China
关键词:
红脂大小蠹分布型防治与检测指标
Keywords:
Dendroctonus valens distributional patten economic thresholds
分类号:
S763.380.3
文献标志码:
A
摘要:
通过设置20 m×30 m标准调查样地,调查了样方内油松的株数、红脂大小蠹的侵入孔数,根据侵入孔与坑道内卵、幼虫、蛹的比率确定了每坑道中相应虫态的数量。以分布型指数确定红脂大小蠹的分布型结果表明,该虫成虫在树干上的蛀入孔、坑道在林分内的空间分布格局为聚集型中的负二项分布,其自然集群可区分为I型即新建群体、II型即增长危害期的群体、III型即扩散危害期群体,各型的株均坑道界限值分别为0.0~1.1、1.5~3.0、4.0~6.5。同时,采用标准差法研究治理红脂大小蠹危害或有效治理后进行监测时防治指标表明,该害虫的治理及监测指标可划分为控制、基本扑灭、基本铲除3个类型。西北林学院学报21卷第5期李建康等红脂大小蠹的分布型与防治指标研究
Abstract:
The number of pines and invaded pores of Dendroctonus valens on them in each sampled plot (20 m×30 m) were investigated and the populations of egg, larva and nymph in each cavity were accounted respectively. The study of distributing index showed that the invaded pores and cavities of D. valens were aggregated negative binomial distribution,and their nature colonies could be divided into 3 types type I(new inhabited type), type II(increasing disserving period type) and type III (pervading disserving period type). The critical cavities per tree of each type above were 0~1.1, 1.5~3.0, 4~6.5. Meanwhile, the results of control and survey study after effectively controls showed that 3 types of controlling and survey index could be recognized controlledtype, nearly controlledtype and nearly exterminatedtype.

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备注/Memo

备注/Memo:
收稿日期20051221修回日期20060117基金项目陕西省林业厅项目(200150118)、国家林业局“黄土高原林木培育开放实验室基金”(K0203)作者简介李建康(1964),男,陕西西安人,工程师,主要从事森林昆虫的科研与管理工作。*通讯作者李孟楼(1957),男,陕西富平人,教授,主要从事森林昆虫教学和科研工作。
更新日期/Last Update: 2010-05-04