CORESTA Congress, Shanghai, 2008, APPOST 02
Evaluation of susceptibility of different larval instars of Helicoverpa armigera (Hub) to Bacillus thuringiensis in Mazandaran tobacco fields - Iran
Tobacco Research Institute, Tirtash, Behshahr, Iran.
There are many microorganisms that are used for control of plant pests in the world. Among them, Bacillus thuringiensis has a wide range of activity and is more effective. The most important crop hosts of which H. armigera is major pest is tobacco....