锈色粒肩天牛扩散规律研究
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李敏[1] 朱锦红[2] 李耀国[3]
[1]平陆县林业局,山西平陆044300 [2]盐湖区林业局,山西盐湖044000 [3]山西省太岳山森林经营局,山西介休032000
摘 要:
通过对3块标地资料的分析,得出锈色粒肩天牛的扩散规律遵从指数曲线y=ae^bx(b〈0),只是在不同虫口密度下,参数a、b取不同的值,进一步确定带虫苗木调运是锈色粒肩天牛蔓延扩散的主要传播途径,加强检疫是防止锈色粒肩天牛蔓延扩散的有效手段。[著者文摘]
文章出处:
《山西林业科技》-2007年4期 -13-14页
Shanxi Forestry Science and Technology
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1007-726X(2007)04-0013-02
[参考文献]
Study on Spread Laws of Apriona swainsoni
LI Min, ZHU Jin-hong LI Yao-guo(1. Pinglu Forestry Bureau, 044300 Pinglu China ; 2. Yanhuqu Forestry Bureau, 044000 Yanhu, China ; 3. Taiyueshan Forest Managing Bereau of Shanxi Province, 032000 Jiexiu, China)
Abstract:
By analyzing of data from three sample plots, spread laws of Apriona swainsoni accorded with the equation of (b〈0), of which a and b changed with insect density. We confirmed that carrying seedlings attacked insects was a major route of transmission. So strenthening of quarantine was avilable to spread of Apriona swainsoni.[著者文摘]
Key words:
Sophora japonica Apriona swainsoni spread law
收稿日期: 2007-09-16
基金资助:
山西省科技攻关项目(96-10-16)

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