Title: Toxicity determination of some blended pesticides on Myzus persicae(Sulzer)
Abstract: Toxicities of fenvalerate mixed with phoxim,methomyl and imidacloprid respectively in different proportion to tobacco pest Myzus persicae(Sulzer) were determined.The result showed that the co-toxicity indexes of fenvalerate mixed with phoxim were 825.96(the highest) in the proportion of 3:2,462.45 in the proportion of 1:1 and 244.62 in the proportion of 2:3.The co-toxicity indexes of fenvalerate mixed with methomyl were 367.09(the highest) in the proportion of 1:1,297.08 in the proportion of 3: 2 and 157.32 in the proportion of 2:3.The co-toxicity indexes of fenvalerate mixed with imidacloprid were 1558.28(the highest) in the proportion of 2:3,603.01 in the proportion of 3:2 and 326.13 in the proportion of 1:1.The toxicities indicated that the blended pesticides tested in the experiment were synergistic to M.persicae because all co-toxicity indexes were higher than 100.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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