厚朴不同栽培模式的生物多样性  

Biodiversity of Magnolia officinalis under Different Cultivation Patterns

作　　者：毕超华 卢宗荣 王柏泉[3] 

机构地区：[1]湖北省咸丰县林业局,湖北咸丰445600 [2]湖北省恩施市森林病虫害防治检疫站,湖北恩施445000 [3]湖北民族学院生物科学与技术学院,湖北恩施445000

出　　处：《湖北农业科学》2010年第10期2462-2465,共4页Hubei Agricultural Sciences

基　　金：湖北省教育厅重点项目(D20082902);恩施州社会发展科技指导性项目(2009)

摘　　要：采用标准地法对不同植物配置模式的厚朴(Magnolia officinalis Rehd.et Wils)群落生物多样性进行了研究,结果显示,恩施产区的厚朴为人工栽培群落,主栽树种厚朴的重要值为70.4333,在数量上占绝对优势。厚朴与林木混交栽培模式的生物多样性指数和物种丰富度指数显著高于其他几种配置模式。同时对不同栽培模式下害虫的发生量进行了调查,结果发现,"厚-林配置"的主要害虫有虫株率仅为10.34%,而纯林害虫的发生量最大,表明"厚-林模式"是一种较为理想的配置。采用该模式发展厚朴和对现有厚朴纯林加以林分改造,是提高生物多样性和控制厚朴害虫发生最有效的生态措施。By means of the standard sample plot method, the biodiversity of Magnolia officinalis Rehd. et Wils. community under different cultivation patterns was studied. The results showed that M. officinalis in Enshi was artificial cultivated. As the major species, the importance value of M. officinalis was 70.433 3, which was dominant in numbers. The biodiversity and species abundance index of mix mode of M. officinalis and forest trees were significantly greater than other modes. Through the investigation of the pests quantity under different cultivation patterns, we concluded that ＂M. officinalis. / forest trees mode＂ had the smallest quantity while ＂pure forest mode＂ had the largest. The results indicated that the former mode was more ideal. Using this mode to develop M. officinalis and rebuild the existed M. officinalis pure forests was the most effective measure to improve the biodiversity and control the occurrence of pests.

关 键 词：厚朴 植物配置 混交林 生物多样性 害虫 生态控制 

分 类 号：S567.11[农业科学—中草药栽培] S725.2[农业科学—作物学]