title: [Toxicity of different pesticides to Haemadipsa hainana and its control].
abstract: Laboratory determination on the toxicity of sumicidin, isoprocarb, dicofol, thiocyclam, dimethoate and glyphosate to Haemadipsa hainana showed that LD50 for the six pesticides followed the order of sumicidin > isoprocarb > dicofol > thiocyclam > dimethoate, but glyphosate was not virulent. "Glyphosate + sumicidin" had much more toxicity. The susceptibility of H. hainana to sumicidin differed in the order of adult > juvenile > subadult. Field tests showed that the control effect of 1.5% sumicidin to H. hainana was 95.08% of total number of its population. Applied tests showed that the control effect of "Glyphosate + 0.5% sumicidin" was 94.7%, and "glyphosate + 1% isoprocarb" was 90.5%. "Glyphosate + pesticides" was more effective both in controlling H. hainana and in destroying its habitat weed.
authors.affiliation: Sun Yat-Sen University of Medical Sciences, Guangzhou 510080.
authors.forename: E
authors.initials: E
authors.lastname: Tan
authors.forename: C
authors.initials: C
authors.lastname: Liang
mesh_terms: D000818:Animals; D007865:Leeches / Q000187:drug effects*; D010575:Pesticides / Q000633:toxicity*
chemical_list: D010575:Pesticides