Activity of the botanical aphicides 1,5‐diphenyl‐1‐pentanone and 1,5‐diphenyl‐2‐penten‐1‐one on two species of Aphididnae

Pest Management Science - Tập 57 Số 3 - Trang 307-310 - 2001
Ping Gao1, Taiping Hou1, Rong Gao1, Chang Qiu1, Shigui Liu1
1State Specialized Laboratory of Biocontrol Engineering in Mouse, Insect Pests and Plant Diseases of Grasslands, Sichuan University, Chengdu 610064, People's Republic of China

Tóm tắt

Abstract1,5‐Diphenyl‐1‐pentanone (A) and 1,5‐diphenyl‐2‐penten‐1‐one (B) are natural products extracted for the first time from Stellera chamaejasme. Laboratory bioassay showed that the two products have strong contact activity and very good anti‐feedant activity against Aphis gossypii and Schizaphis graminum. Both products showed dose‐dependent relationships for both forms of activity against the two aphids, the contact activity of B being about twice that of A. Both products were inferior to methomyl in contact activity but superior in anti‐feedant activity against the two aphids. This is the first report of aphicidal activity in these two compounds, which may represent a new class of aphicide.© 2001 Society of Chemical Industry

Từ khóa


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Thông tin
Thông tin xuất bản

Pest Management Science

Tập 57 Số 3

307-310

Thông tin tác giả