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Chinese Journal of Applied Ecology ›› 2000, Vol. ›› Issue (6): 959-960.

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Effect of Nerium indicum on killing Oncomelania hupensis

YANG Yi, KE Wenshan, WANG Wanxian, MA Anning, CHEN Quansheng   

  1. College of Life Sciences, Hubei University, Wuhan 430062
  • Received:1998-09-14 Revised:1998-11-06 Online:2000-12-25

Abstract: A laboratory experiment at 20±5℃ shows that the water extract of fresh Nerium indicum had an obvious effect on killing Oncomelania hupensis. Treated with 0.1% water extract for four days, the mortality of O. hupensis was up to 100%. The effect of different tissues of N. indicum on O. hupensis was in order of stem phloem>leaf>root phloem>flower. The effect of N. indicum on O. hupensis was about ten times higher than that of Pterocarya stenoptera and Rumex japonicus, and was equal to that of 1×10-3mg·L-1 niclosamidum.