]*>","")" /> On Poplation Characters of the Main Pests and Natural Enemies in Coton Square Stage in Arwati County
Xinjiang Agricultural Sciences

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On Poplation Characters of the Main Pests and Natural Enemies in Coton Square Stage in Arwati County

  • Received:2001-03-25 Revised:2001-03-25 Online:2001-03-25 Published:2001-03-25

新疆阿瓦提县棉田蕾期主要害虫及天敌群落特征调查研究

王江平;康新丽;刘晓林;何玉玲;黄敏   

  1. 新疆阿瓦提县农业技术推广中心,;新疆阿瓦提县委农办,





摘要： 通过调查分析表明，阿瓦提县棉田蕾期昆虫物种资源较为丰富，丰富度最大值S等于8。群落特征分析最大值H′为0.898 2，最大D值为0.4506，群落生态优势度最大值C为0.392 6，均匀度最大值J为0.558 0。由于后期棉田内用药量及用药次数的增加，致使棉田内物种比例失调，群落相似性指数最大值C仅为0.027 8。