欢迎访问《应用生态学报》官方网站,今天是 分享到:

应用生态学报 ›› 1996, Vol. 7 ›› Issue (s1): 57-61.

• 研究论文 • 上一篇    下一篇

异色瓢虫对桃粉大尾蚜、桃一点斑时蝉捕食选择性研究

杨春材1, 赵益勤1, 程德兵1, 魏文敏1, 杜良修2, 杜钺瑾2   

  1. 1. 安徽农业大学, 合肥230036;
    2. 砀山县市力集园艺场, 砀山235300
  • 收稿日期:1995-11-27 修回日期:1996-05-22 出版日期:1996-12-25 发布日期:1996-12-25
  • 基金资助:

    安徽省教委基金资助项目

Predatory selectivity of Harmonia axyridis on Hyalopterus amygdali and Erythroneura sudra

Yang Chuncai1, Zhao Yiqin1, Chen Debing1, Wei Wengming1   

  1. Anhui Agricultural University, Hefei 230036
  • Received:1995-11-27 Revised:1996-05-22 Online:1996-12-25 Published:1996-12-25

摘要: 研究了异色瓢虫对2种猎物捕食选择性.结果表明,异色瓢虫对桃粉大尾蚜有明显的喜好性;对桃一点斑叶蝉有明显的负喜好性.猎物单独存在时,异色瓢虫对各猎物功能反应为HollingⅡ型,当两种猎物同时存在时,如果一种猎物密度较小时,异色瓢虫对另一种猎物功能反应仍为HollingⅡ型,另一种猎物密度较大时,异色瓢虫对桃一点斑叶蝉的功能反应属HollingⅢ型,对桃粉大尾蚜功能反应为HollingⅡ型,但典型性下降.

关键词: 异色瓢虫, 桃粉大尾蚜, 桃一点斑叶蝉, 捕食, 地膜覆盖, 土壤净氮矿化, 夏玉米, 树脂芯培养法

Abstract: Studies on the predatory selectivity of Harmonia axyridis show that it has a positive preference to Hyalopterus amygdali, but a negative one to Erythroneura sudra. When one of these preies exists alone, the functional response of H.axyridis shows the HollingⅡtype. When both of them exist simultaneously, but one′s density is less,the functional respones of H. axyridis on another prey still shows the Holling Ⅱ type.If one prey has a higher density. the functional response of H. aryridis shows the Holling Ⅱ type on E.sudra,but the Holling Ⅱ type on H. amygdali.

Key words: Harmonia axyridis, Hyalopterus amygdali, Erythroneua sudra, Predator, plastic film mulching, soil net nitrogen mineralization, resin core culture method, summer maize