Occurrence of rice yellow dwarf and rice stripe in Kagoshima Prefecture in 1984.

Insecticide Resistance and Insensitive Acetylcholinesterase in Small Brown Planthopper, <i>Laodelphax striatellus</i>

“…It is well known that there are close relationship between organophosphate resistance of SBPH and its aliesterase activity. 3,4,15,6) In this study, we also obtained the same results. a) LD 50 and 95% confidence limits were shown with jig/g.…”