Journal
JOURNAL OF PEST SCIENCE
Volume 86, Issue 3, Pages 599-609Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10340-013-0505-y
Keywords
Cutworm; Emamectin benzoate; Abamectin; Indoxacarb; Chlorfenapyr; Resistance evolution; Cross-resistance
Categories
Funding
- Special Agricultural Research Projects for Public Welfare, China [201203038]
- National Natural Science Foundation of China [31071716]
- Program for New Century Excellent Talents in University [NCET-10-0163]
Ask authors/readers for more resources
The present studies were carried out to evaluate resistance in the populations of Spodoptera litura Fab. (Lepidoptera, Noctuidae) from five districts of Hunan Province in China to various insecticides from 2010 to 2012 using a standard leaf dip bioassay method. For organophosphates and pyrethroids, resistance ratios compared with a susceptible Lab-BJ strain were in the range of 14-229-fold for organophosphates and 12-227-fold for pyrethroids. Similarly, relative low levels of resistance to emamectin, indoxacarb, and chlorfenapyr were observed in all five populations. In contrast, the resistance to carbamates (thiodicarb or methomyl) was significantly higher than that of organophosphates, pyrethroids and newer chemistry insecticides. The pairwise correlation coefficients of LC50 values indicated that the newer chemistry insecticides and old generation insecticides were not significant except abamectin, which was negatively significantly correlated with methomyl. A significant correlation was observed between thiodicarb, methomyl, and deltamethrin, whereas resistance to bifenthrin showed no correlations with resistance to other insecticides except deltamethrin. The results are discussed in relation to integrated pest management for S. litura with special reference to management of field evolved resistance to insecticides.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available