高山地区3种十字花科蔬菜田节肢动物群落比较研究.pdf

Agricultural ScienceTechnology，2008，9(1)：8-1 0 Copyright⑥2008。Information Institute of HAAS．All rights reserved Plant Protection Study on the Comparison of Arthropod Communities in Three Kinds of Cru- ciferous Vegetable Fields at High Mountainous Area WANG Xiang-ping ，LI Chuan-ren，WANG Fu—lian College 0，Agriculture，Yangtze University，Jingzhou 434025 Abstract [Objective]This reseB~rch aimed to comp~e arthropod communities in differem cruciferous vegetable fields at hi Sh mountainous area and pro- vide guidance for pest contro1．[Method]1’}le main arthropod species in 3 kinds of cmci~rous vegetable fields at hiish mountainous area were investigated， the composition of arthropod community in different vegetable fields wele analyzed．【Result I The main arthropod species in cmci~rolls vegetables flelds at high mountainous area were similar．but had different quantity compositions．1’}le richness was the highest in radish field．[Conclusion]Crop species had great inf~uence oft biologJcal community；we should focus on the main pests in the process of pest contro1． Key words Cruciforous vegetable；Aahropod；Community Many factors influence the biology community structure Where P =ni／N；nf was individual numb er of the／th spe- in crop fields such as crop species，geographical position， cies；N was total individual numb er；S was species numb er． control method，etc 】-3] ． Many researches on the arthropod comm unity structure，comm unity diversity，dominant concen- Results and analysis tration and main pest niche and niche ovedap in different ]~glJtin arthropod species groups in 3 kinds of erueiferae crucifeions fields were taken in different domestic re- vegetable fields ons ．Hii mountainous vegetables developed from ear- The main pests were Plutella xy