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Chinese Journal of Applied Ecology ›› 1998, Vol. 9 ›› Issue (6): 613-616.

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Influence of natural enemies on populations of wheat aphid and greenbug

Zou Yunding1, Bi Shoudong1, Meng Qinglei1, Geng Jiguang2, Chen Gaochao1, Wang Gongming1, Li Jialin3   

  1. Anhui Agricultural University, Hefei 230036
  • Received:1997-12-14 Revised:1998-10-12 Online:1998-11-25 Published:1998-11-25

Abstract: After a systematic investigation on the populations of wheat aphids, greenbugs and their natural enemies during 1993~1996, the grey association analysis was made and showed that Propylaca japonica, Aphididae and Syrphidae were the natural enemies most greatly influenced the population of wheat aphid, while Erigonidium graminicola influenced the population of greenbug most greatly, and Propylaca japonica secondly.

Key words: Natural enemy, Wheat aphid, Greenbug, Population, Grey association analysis