The Insecticidal and Repellent Activities of Some Components in Cinnamon-planted Soil against Red Im

• 作 者: HuangCongling;LiHong;FuJiantao;LiuYongkun;ZhangZhixiang;
• 机 构: Key Laboratory of Natural Pesticide and Chemical Biology,Ministry of Education,South China Agricultu
• 出 处: 第十四届全国农药学科教育科研研讨会暨赵善欢学术思想与研究实践讨论会
• 发表日期: 2014年期

　　In the study, cinnamic aldehyde and eugenoI in cinnamon-planted soil, which was classified as different depths, was identified by high performance liquid chromatography (HPLC).The insecticidal activity and repellence of the soil was tested.Results showed that higher contents of cinnamic aldehyde and eugenol were found in soil at depths of 5-10 cm.In the insecticidal toxicity bioassay, the corrected mortality of major workers treated with cinnamon soil at depths of 5-10 cm, which was higher than the other soil depths, increased from 13.33% to 96.00% with contact time from 1-5 d.Likewise, the corrected mortality of minor workers also increased from 6.67% to 100.00%.In the repellent activity bioassay, the repellent rates (96.30%) of major and mInor workers treated with cinnamon soil at depths of 5-10 cm for 24 h were significantly higher than the other treatments.This result revealed ecological value of cinnamon.Cinnamon-planted soil contained cinnamic aldehyde and eugenol from fallen leaves, and the components showed insecticidal activity and repellence against red imported fire ants.Perhaps we could control the red imported fire ants by planting cinnamon in some regions.