The plant pesticide bactericide composition consists of Celastrusangulatus extract with dihydroagarofuran polybasic ester as effective component and Litsea cubeba oil with citral as effect component, and may be processed into emulsion through traditional process. In the emulsion, Celastrusangulatus extract with dihydroagrofuran polybasic ester as effective component accounts for 5-20 wt% and Litsea cubeba oil with citral as effect component accounts for 10-60 wt%. Compared with available technology, the composition of the present invention has obvious synergistic effect may be used to treat disease and pest simultaneously. |