The toxic impact of the extract of the Dieffenbachia picta leaves on the ratio of death in the termites' workers Microcerotermes diversus (silvestri) [Isoptera: Termitidae]

Effects of the extract obtained from the Dieffinbachia picta leaves were examined on the termite workers of Microcerotermes diversus using four treatments (T) including ۲۵%, ۵۰%, ۷۵% and ۱۰۰% by spraying. The results showed mortality rate in the termite workers at different periods of time. T۱۰۰% recorded the highest mortality rates (۸%, ۸.۶۷% and ۹%) after ۲۴, ۴۸ and ۷۲ hours respectively, while the minimum mortality in the insect workers was recorded at T۲۵% as ۱.۷%, ۲.۳% and ۳.۷% after ۲۴, ۴۸ and ۷۲ hours respectively. According to results of the present study, there is a possible advantage of the toxic properties of D. picta leaves as an alternative and effective plant pesticides for combating the termite of M. diversus.

کلیدواژه ها:

Microcerotermes ، Isoptera ، plant toxicity ، Calcium oxalate ، Dieffenbachia picta