The rice blast disease has been recognized asthe most devastative disease to rice. Because of the diversity of the fungus races, frequent resistance breakdown h
Two biotype 2 populations of brown planthopper (BPH), Nilaparvata lugens stal, were used in this experiment. One was purified by determining the weight of honey
By means of topical application, fipronil resistance was surveyed in the rice stem borer, Chilo suppressalis, from 12 diferent areas in east China from 2001 to