Study on the Preference Selectivity of Myzus persicae to Different Plant Odour Sources

It is a vital approach that secondary metabolize product of non-host plant is utilized to control Myzus persicae.The location and preference of M.persicae to different plant odour sources were investigated with Y tube olfactometer.The result showed that host plant,Chinese cabbage,for example,attracted M.persicae significantly.However,the non-host plant,such as leek,could not attract significantly and even exclude to M.persicae.There is a difference between the preferences of M.persicae to the same non-host plant in nature status and mechanical wound.